RMC’s leaders take an active role in day-to-day project work, allowing us to respond to clients’ needs with the personal attention of experienced staff.


Randy Raines portrait

Randy Raines, P.E.

Founder/Senior Project Manager

One of RMC’s founders, Randy focuses on major planning projects aimed at meeting multiple objectives related to water supply reliability and environmental sustainability. Over the course of his 40-year career, Randy has been project manager for numerous recycled water and watershed management planning and visioning efforts and recently served as principal-in-charge for the development of a comprehensive recycled water master plan for Los Angeles. For San Jose’s South Bay Water Recycling Program’s Regional Master Plan, Randy led tasks to determine the future direction, policies, and priorities of the system over a 20-year planning horizon. He has managed agency strategic planning efforts, stream management studies, and environmental permitting and grant funding applications for many other complex, multi-benefit projects. Randy is currently serving on the Association of California Water Agencies’ Recycled Water Committee. He has a master's degree in environmental engineering from Stanford University.

Lyndel Melton portrait

Lyndel Melton, P.E., D.WRE

Founder/Senior Water Resources Engineer

A founder of RMC, Lyndel has a master's degree in environmental engineering from Stanford University and 41 years of experience working on complex water supply planning, water treatment and distribution, and flood protection projects as well as major capital programs. He has significant experience managing institutional interface among regional entities and is leading the North Valley Regional Recycled Water Program, the first project to use a federally owned agricultural water delivery facility to convey recycled water. Lyndel also managed design of facilities to deliver California State Project water to San Luis Obispo and Santa Barbara Counties, and has considerable experience in desalination and concentrate management.

Alyson Watson portrait

Alyson Watson, P.E.

President/Senior Water Resources Engineer

Alyson is a chemical engineer and project manager specializing in water resources planning and water quality analysis. She is known for her technical and communication skills and her ability to work with groups of diverse stakeholders. Alyson has managed multi-disciplinary teams on a wide variety of projects, including integrated regional water management planning, water resources planning, water quality planning, hydraulic and hydrologic modeling, disinfection by-product modeling, water treatment analysis, permitting, and microbial and other contaminant risk analysis. She managed a comprehensive watershed assessment for the Upper Mokelumne River Watershed, and led the San Francisco Public Utilities Commission’s Potable Offset Investigation, which assessed maximizing use of onsite supplies including rainwater, stormwater, graywater, and foundation seepage. Alyson earned her master’s and bachelor’s degrees in chemical engineering from Stanford University.

Andy Baldwin portrait

Andy Baldwin

Senior Environmental Engineer

Andy has focused his 28-year career on the planning and assessment of water and wastewater infrastructure systems including asset management, hydraulic and mathematical modeling, and master planning. He has led numerous projects throughout California, addressing local issues and project needs such as sewer flow forecasting, capacity analysis, infiltration/inflow analysis and CIP prioritization. Andy has also implemented GIS and data management tools to allow agencies to integrate data systems with hydraulic models. He is currently leading a comprehensive update to Orange County Sanitation District’s collection system hydraulic model and master plan. Andy has extensive experience with many hydraulic modeling software systems including InfoWorks CS, Mike Urban, PCSWMM, H20Map Sewer, and SewerGEMS. He has a bachelor’s degree in civil engineering from the University of Sheffield, U.K.

Rich Bichette portrait

Richard Bichette, P.E.

Senior Water Resources Engineer

Richard is a senior water resources engineer with 16 years of experience in facility and master planning, design, and construction management of potable and recycled water distribution, stormwater collection, wastewater collection and treatment, site development, and pumping systems. He manages teams of staff and subconsultants to ensure high-quality, cost-effective projects delivered on schedule for clients such as Pasadena Water and Power, Burbank Water and Power, and the Inland Empire Utilities Agency. Richard specializes in managing pipeline design projects with alignments through difficult terrain, in crowded utility corridors, and in urban and suburban locations. He has a Bachelor’s degree in civil engineering from Purdue University.

Jim Blanke portrait

Jim Blanke, P.G., C.HG.

Senior Hydrogeologist

Jim has 17 years of experience, specializing in the intersection of groundwater planning and groundwater science. By bringing together the latest innovations in hydrogeology, water resources, permitting, and groundwater management, Jim provides input to solve complex water resources and groundwater issues in regions and communities across California. His work in groundwater management includes authoring Groundwater Management Plans and portions of Integrated Regional Water Management Plans, developing broad-based reviews of Groundwater Management Plans across the state, and producing materials to assist others in the development of the Sustainable Groundwater Management Act. Jim has significant experience in the Sacramento area, San Joaquin Valley, Bay Area, Central Coast, and Inland Empire. He has a master’s and a bachelor’s degree in geological and environmental sciences from Stanford University.

Steve Clary portrait

Steve Clary, P.E.

Senior Civil/Environmental Engineer

Steve has a comprehensive understanding of water and wastewater issues developed during his 40-year career in the planning, design, and construction of infrastructure projects around the world. He is particularly adept at community outreach, regulatory agency negotiation, and stakeholder consensus building for complex and high profile public works projects. Steve was program director for Sydney's $3-billion Clean Waterways Program where he managed significant cost reductions while still meeting the environmental and customer service goals. In California, he has worked on major projects for the East Bay Municipal Utility District, Central Contra Costa Sanitary District, Pajaro Valley Water Management Agency, and Novato Sanitary District. Steve is currently managing Malibu’s award-winning Legacy Park project—a phased, integrated stormwater, wastewater, and recycled water project. Steve has a bachelor’s degree in civil engineering and a master’s degree in environmental engineering from the University of California, Davis.

Robin Cort portrait

Robin Cort, Ph.D.

Senior Environmental Planner

Robin is an environmental scientist and ecologist with 32 years of experience in water resources, water recycling, and wastewater. She is an expert in regulatory compliance with the National Environmental Policy Act (NEPA) and California Environmental Quality Act (CEQA), and is experienced in facilities planning, alternatives development and analysis, permitting, implementation, and monitoring of mitigation programs. Robin recently managed preparation of an award-winning Environmental Impact Report/Statement for the North Valley Regional Recycled Water Program, and an Environmental Impact Report for San Francisco Public Utilities Commission’s Groundwater Storage and Recovery Project. Robin has a doctorate in ecology from Stony Brook University in New York, and a bachelor's degree in biology from Stetson University in Florida.

Brian Dietrick portrait

Brian Dietrick, P.E.

Senior Environmental Engineer

Brian has 25 years of experience specializing in facilities planning and design for water resources, wastewater, and recycled water projects. He has been involved in the development of collection and distribution systems, groundwater recharge facilities, integrated regional water management plans, urban water management plans, and environmental impact and regulatory compliance reports, as well as the design of large-diameter trunk sewer relief and replacement projects, sewer force mains, and sewer rehabilitation. He recently led Eastern Municipal Water District’s Recycled Water Strategic and Facilities Master Plan, and a master plan to maximize water recycling concepts for Los Angeles. Brian has a master’s degree in environmental engineering from Loyola Marymount University and a bachelor’s degree in civil/environmental engineering from Duke University.

Leslie Dumas portrait

Leslie Dumas, P.E., D.WRE

Senior Water Resources Engineer

Leslie has 30 years of experience providing hydrogeologic, hydrologic, environmental, and scientific consultation for water resources projects. She recently supported the City of Oceanside in complying with the Sustainable Groundwater Management Act (SGMA) of 2014 and is actively working on SGMA-related issues throughout California. Leslie has also prepared and/or reviewed planning and environmental documentation, including grant funding applications, CEQA Initial Studies and Environmental Impact Reports, Urban Water Management Plans, Groundwater Management Plans, and Stormwater Pollution Prevention Plans for various civil projects. She earned her master's degree in civil engineering at the University of California at Berkeley; and her bachelor's at Virginia Polytechnic Institute and State University.

Jennifer Glynn portrait

Jennifer Glynn, P.E.

Senior Infrastructure Engineer

Jennifer is a recognized expert in the field of trenchless technology; she currently serves on the Board of Directors for the North American Society for Trenchless Technology (NASTT) and is a volunteer trenchless technology training course instructor for NASTT. She has 21 years of design experience with pipeline and pipeline rehabilitation, reservoirs, and pump station projects, many of which have required special attention to sensitive issues, including endangered species habitat preservation. She is especially proficient in the use of large diameter replacement and renovation systems. Jennifer recently led a team of engineers in the design of five miles of recycled water distribution pipeline and a booster pump station for the Napa Sanitation District. She has a bachelor's degree in civil engineering from the University of New Hampshire.

Scott Goldman portrait

Scott Goldman, P.E., BCEE

Senior Environmental Engineer

With a 26-year career in water and wastewater, Scott has developed particular expertise in water recycling—he specializes in converting customers from potable to recycled water for both landscape and industrial purposes. Scott led a Non-Potable Reuse Master Plan for Los Angeles, and is currently overseeing engineering support to convert three large refineries and one air separation facility to recycled water use at the LA Harbor. He is managing expansion of the Yucaipa Valley Water District’s brineline and recycled water system, and also works as extension of staff to the Encina Wastewater Authority for biosolids and energy management activities. Scott has a bachelor’s degree in water resource engineering from University of California, Los Angeles and a master’s degree in environmental engineering from the University of Southern California.

Cathy Greenman portrait

Cathy Greenman, P.E.

Senior Civil Engineer

Cathy is a professional engineer and project manager with expertise in wastewater collection system planning and hydraulic modeling. She has experience with numerous hydraulic modeling software, including Hydroworks, Infoworks, MIKE URBAN, InfoSWMM, H2OMap, and EPA SWMM 5, and is skilled in data analysis and report writing. Over the past 16 years, Cathy has led sewer master planning and modeling projects for numerous California municipalities and agencies, including San Carlos, San Jose, Berkeley, and the Orange County Sanitation District among others. She is also effective in training municipal and public agency staff in how to use hydraulic models. Cathy earned a master’s and a bachelor’s degree in civil and environmental engineering from Stanford University.

Glenn Hermanson portrait

Glenn Hermanson, P.E.

Senior Civil/Environmental Engineer

Glenn has 28 years of municipal infrastructure engineering experience and is an expert in trenchless technologies. He brings a genuine enthusiasm to pipeline condition assessment, rehabilitation, and alignment evaluation projects and has a proven ability to design projects that minimize disturbances, reduce risk, and save costs. For Santa Clara, Glenn designed the rehabilitation of sewer trunk pipeline along Trimble Road as well as a new segment for installation using both open trench and trenchless methods. He is currently lead design engineer for Santa Clara Valley Water District’s $10-million Upper Llagas Creek Flood Protection Project. Glenn holds a master's degree in civil engineering from Virginia Polytechnic Institute and State University at Blacksburg, and a bachelor's degree in civil engineering from California Polytechnic State University at San Luis Obispo.

Gisa Ju portrait

Gisa Ju, P.E.

Senior Civil/Environmental Engineer

Gisa is a recognized expert in the planning and evaluation of sewer system facilities, including infiltration/inflow analyses, hydraulic modeling, and condition assessment. She has 38 years of engineering experience in California, and has also served as a technical advisor for major sewer system programs throughout the U.S., including Houston, New Orleans, and Atlanta. Gisa was extensively involved in the East Bay Infiltration/Inflow Study in the 1980s which established many of the modeling and analysis methodologies used by San Francisco Bay Area agencies since that time. She has prepared master plans, Sewer System Management Plans, and other sewer planning studies for over 30 California agencies and has helped respond to regulatory compliance orders related to sanitary sewer overflows and high wet weather flows. Gisa has a master's degree in civil engineering from the University of California, Berkeley.

Christine Keltner portrait

Christine Keltner, CPA, CGMA

Director of Finance

Christine is a Certified Public Accountant (CPA) and Chartered Global Management Accountant (CGMA) with expertise in financial management in the A/E/C industry. She has a comprehensive background in public accounting primarily auditing government entities, non-profit organizations, financial institutions, and manufacturing clients. At RMC she oversees the finance function and serves on the Executive Leadership Team to implement financial objectives into RMC’s overall strategic plan. Christine holds a bachelor’s of science degree in accountancy from Arizona State University.

Christy Kennedy portrait

Christy Kennedy, P.E., P.G., C.HG.

Senior Water Resources Engineer and Hydrogeologist

Christy’s background in both engineering and geology/hydrogeology, and her love of communicating challenging concepts, give her a unique skillset for handling complex projects involving recharge and water supply. She has 16 years of broad technical experience including groundwater recharge, indirect potable reuse, water supply planning, conservation, flood protection, watershed management, master planning, and salt and nutrient management planning. Christy currently serves as the institutional lead for the South Westside Basin Groundwater Sustainability Agency formation and has led planning efforts across California to help agencies comply with regulatory requirements stemming from the 2009 Recycled Water Policy. She earned a master’s degree in environmental engineering and science from Stanford University and a bachelor’s degree in earth sciences from the University of California, Santa Cruz.

Jeanna Long portrait

Jeanna Long, Ph.D.

Information Management Consultant

Jeanna has more than 10 years of experience in applied physics and applied science engineering, programming, numerical analysis, and design and development of computer applications. She is skilled in stakeholder management, requirements gathering and analysis, and data integration. Jeanna has managed development of complex software projects for the California Department of Water Resources and numerous local agencies. She is currently managing the development and multiple implementations of RMC’s Opti, an easy-to-use, web-based project collaboration and communication tool that helps stakeholders share, track, and report project information. Jeanna has doctorate and master’s degrees in applied science engineering from U.C. Davis and a bachelor’s degree in physics from California State University, Sacramento.

Enrique Lopezcalva portrait

Enrique Lopezcalva

Water Resources Practice Lead

Enrique has 18 years of experience in the national and international water industry. He has served on regional and national committees of the American Water Works Association and the Water Environment Federation; authored numerous papers; and presented at over 40 conferences in subjects ranging from systems modeling, climate change adaptation, and water-energy-climate nexus to capital improvements program definition and prioritization, and stakeholder involvement. Enrique is managing Patterson’s water master plan and is working with the RMC team on the San Diego Integrated Regional Water Management Plan. He holds two master’s degrees—in technology policy and in environmental engineering—from Massachusetts Institute of Technology, and a bachelor’s degree in chemical oceanography from Universidad Autonoma de Baja California.

Mike Matson portrait

Mike Matson, P.E.

Senior Civil Engineer

Mike has 30 years of engineering experience with a focus on large-diameter pipeline projects in California. He excels at developing solutions that address permitting requirements, construction cost volatility, and erratic bidding environments. Mike recently managed the fast-track design of a recycled water distribution system for Pleasanton and has managed emergency pipeline design and construction for two high pressure pipeline segments of the State Water Project Coastal Aqueduct Branch extension. Mike was also responsible for overall design of Contra Costa Water District’s Old River Facility, a $35-million raw water intake and pumping facility. He is currently program manager for Lodi’s multi-year program to install 14,000 new residential meters and 21 miles of domestic water distribution pipes. Mike has a bachelor’s degree in civil engineering from the University of California, Berkeley.

Rob Morrow portrait

Rob Morrow, P.E.

Senior Water Resources Engineer

Rob has 15 years of experience in water resources engineering, including implementation of recycled water projects for applications ranging from landscape and agricultural irrigation to industrial and indirect potable reuse. He has managed integrated water resources planning projects that analyzed water resources economics, long-term imported water supplies, and groundwater banking and in-lieu recharge opportunities. Rob recently managed development of a Recycled Water Strategic and Facilities Master Plan for Eastern Municipal Water District. He is experienced with financial revenue and funding strategy planning as well as preparation of state and federal grant and loan applications. Rob has a master’s degree in environmental engineering from U.C. Berkeley and a bachelors’ degree in civil engineering from Vanderbilt University.

Saquib Najmus portrait

Saquib Najmus, Ph.D., P.E.

Senior Vice President

Saquib has 26 years of experience in integrated water management and multidisciplinary water resources projects. He is recognized as an expert in integrated hydrologic modeling and has authored the “Hydrologic Modeling” chapter of the Water Resources Planning Manual published by the American Water Works Association. He is the co-author of the Integrated Groundwater and Surface water Model (IGSM), widely used in California since 1990. Saquib manages RMC’s integrated water management technical support contract for the California Department of Water Resources (DWR) and a multi-disciplinary contract for the U.S. Bureau of Reclamation. He earned a doctorate in civil engineering from the University of California, Davis; a master’s degree in civil engineering from the University of Kentucky; and a bachelor’s degree from the Bangladesh University of Engineering and Technology. Dr. Najmus is also a certified Project Management Professional (PMP).

Marc Nakamoto portrait

Marc Nakamoto, P.E.

Senior Civil/Environmental Engineer

Marc Nakamoto has 16 years of experience working on recycled water and wastewater feasibility studies, master plans, treatment facility design and infrastructure design. He excels at communicating with clients and project teams, leveraging the collective experience of RMC staff, managing schedule and budget, and directing project work. Marc was design lead for Malibu’s Civic Center Wastewater Treatment Facility and is deputy program manager for implementation of a long range facilities plan at Palo Alto’s Regional Water Quality Control Plant that includes a two-phase biosolids facilities upgrade, rehabilitation of primary clarifiers and fixed film reactors, and a laboratory and environmental services building project. Marc has a master’s degree in civil and environmental engineering from the University of California, Berkeley.

Andy Neal portrait

Andrew Neal

Senior Project Controls Manager

Andy has 10 years of experience in operations, finance, and administration, focused on project controls, scheduling, and management. His daily interactions with clients, teaming partners, and internal technical personnel have provided him with deep experience and understanding for supporting major technical projects. Andy is skilled at process improvements and working with project stakeholders to resolve challenges in an efficient and logical manner. He recently served as project controls manager for the Tulare Lake Storage and Floodwater Protection Project for the Semitropic Water Storage District, and has worked on as-needed and indefinite delivery indefinite quantity contracts for agencies such as the California Department of Water Resources and the US Army Corps of Engineers. Andy earned his bachelor’s degree in business administration from San Diego State University.

Rosalyn Prickett portrait

Rosalyn Prickett, AICP

Senior Water Resources Planner

Rosalyn specializes in water resources planning, environmental assessment, regulatory permitting, and funding support. Over her 17-year career, she has effectively managed integrated water resources planning and associated stakeholder outreach efforts, including the development of state and federal funding applications. Rosalyn has a demonstrated ability to manage complex, schedule-driven projects, including integrated regional management plans for the San Diego and Coachella Valley Regions. She has a working knowledge of the provisions and requirements of the Clean Water Act, Porter-Cologne Water Quality Control Act, California Environmental Quality Act, National Environmental Policy Act, and federal and state endangered species acts. Rosalyn has master’s degrees in environmental planning and in city and regional planning from the University of California, Berkeley and a bachelor’s degree from California Polytechnic State University, San Luis Obispo.

Dave Richardson portrait

Dave Richardson, P.E., MBA

Senior Water Resources Engineer

Dave’s 32 years of engineering experience have given him a good understanding of how social, environmental, and economic considerations contribute to sustainable projects. He is skilled at guiding participatory decision-making through work on multi-stakeholder projects such as integrated water management planning for the San Francisco Bay Area and Sacramento/American River Regions, and the South Sacramento County Recycled Water Facilities Plan for providing recycled water to agricultural lands and wildlife habitat. Additionally, Dave has expertise in large and complex infrastructure projects—he designed emergency improvements to the 167-mgd San Jose/Santa Clara Water Pollution Control Plant and oversaw a $250-million capital program for Santa Rosa's Wastewater Treatment and Water Recycling System. Dave has served on the board of directors of the Watereuse Research Foundation. He has an M.B.A., master’s, and bachelor’s degrees in civil and environmental engineering from Stanford University.

Tom Richardson portrait

Tom Richardson, P.E.

Senior Civil/Environmental Engineer

Tom has been at the forefront of water recycling (both non-potable and indirect potable) applications since the mid 1980’s, and involved in the implementation of large-scale water recycling programs for Orange County, San Diego, and San Jose. He oversaw San Diego’s proposed project for surface water augmentation using advanced treated recycled water—the first planned project of its type in California—and is currently managing a potable reuse program for the San Jose region. Tom has served as chair of the American Water Works Association Water Reuse Committee, vice-chair of the Water Environment Federation/AWWA Water Reuse Task Force, and is currently chair of the WateReuse Association Potable Reuse Committee. He has a master’s degree in civil engineering from California State University, Long Beach and a bachelor’s degree in environmental engineering from California Polytechnic State University, San Luis Obispo.

Persephene St Charles portrait

Persephene St. Charles

Senior Water Resources Planner

With 18 years of experience, Persephene manages local and regional planning projects for agencies and groups focused on addressing water supply, water quality, stormwater, flood protection, and watershed issues. She specializes in providing tailored solutions that meet a variety of objectives including increasing water supply reliability, attaining multiple project benefits, protecting source water quality, engaging stakeholder and public participation, developing project partnerships, and obtaining regulatory support. Persephene has worked with the Greater Los Angeles Integrated Regional Water Management Program for nearly 10 years and is currently managing efforts to examine long-term supply options for Santa Barbara County and increase supply reliability for Puente Basin Water Agency. She has a bachelor's degree in physical geography from the University of California, Davis and a master's degree in geography (hydrology/water resources) from the University of California, Santa Barbara.

Ali Taghavi portrait

Ali Taghavi, Ph.D., P.E.

Senior Water Resources Engineer

Ali has 30 years of experience in water resources planning, management and engineering, and is a recognized expert in hydrologic modeling and data management. Ali was a key member of the U.S. Bureau of Reclamation’s development team for the Integrated Groundwater and Surface Water Model (IGSM). He co-authored the model code and has since applied the model to numerous river basins in the U.S. Ali has managed integrated water management planning efforts for various hydrologic regions throughout the western U.S., and managed the multi-million dollar, statewide Water Resources Planning and Technical Support Service Program for the DWR. He has also coordinated a wide range of hydrologic, hydrogeologic, and geologic investigations for groundwater management, conjunctive use, water supply plans, and water quality analysis in support of environmental permitting and reviews. Ali earned his doctorate and master’s degrees in civil engineering from the University of California, Davis and his bachelor’s degree in civil engineering from the University of California, Berkeley.

Mark Takemoto portrait

Mark Takemoto, P.E.

Senior Wastewater Engineer

With 14 years of experience, Mark specializes in engineering for projects involving wastewater treatment and recycled water, specifically wet weather treatment, treatment process design, and solids handling. Mark’s design experience includes Novato Sanitary District’s major wastewater facility upgrade and new Title 22 recycled water facility as well as treatment upgrades to Sausalito-Marin City Sanitary District’s headworks, primary, and secondary treatment facilities. He is currently leading the design team expanding the capacity of Brentwood’s wastewater treatment plant. Mark has a master’s and bachelor’s degree in environmental engineering from the University of California at Berkeley. He is a past president of the San Francisco Bay Section of the California Water Environment Association.

Tony Valdivia portrait

Tony Valdivia, P.E.

Senior Civil Engineer

Tony has 16 years of experience managing and performing planning studies and final design for wastewater, recycled water, potable water, and stormwater infrastructure. His design experience includes new facilities, such as pumping stations, pipelines, stormwater detention facilities, and treatment facilities as well as the design of improvements for existing infrastructure. Tony is also experienced in the planning of water, wastewater and storm water systems including local and regional master planning, facilities planning, and hydraulic modeling. He recently evaluated operational issues impacting each of Los Angeles’ existing recycled water systems, and is currently serving as design lead for Lodi’s multi-year, $30-million water meter program. Tony earned his bachelor's degree in civil engineering from the University of California at Berkeley.

Ricardo Vivas portrait

Ricardo Vivas, P.E.

Senior Civil/Environmental Engineer

Ricardo has 25 years of experience in rehabilitation programs for water and wastewater systems; potable, sewer, and reclaimed distribution network computer models; floodplain hydrology and hydraulics; infrastructure master plans; and design of water transmission, pumping, and storage facilities. He has performed extensive modeling and master planning of water systems using a variety of computer hydraulic network modeling programs including all versions of H2ONET, KYPIPE, EPANET, PICCOLO Version 2.0., InfoWater, H2OMAP Water, H2OAMP Sewer, and WaterGems. Ricardo is currently leading hydraulic analysis work for development of Patterson’ water master plan and recently managed design of potable and recycled water pipelines for Rowland Water District’s Fullerton Road Grade Separation Project. He has an MBA from the University of Phoenix and earned his bachelor’s degree in civil engineering from California State University, Chico.