Meet our team.

Our team is made up of experienced professionals with backgrounds in public and private sectors, engineering, resource management, environmental science, and urban planning. We have a passion for solid waste management and sustainability, and the abilities to produce and deliver expert analysis and recommendations to our clients.  Together, we have assisted communities in implementing a variety of programs, and conducted hundreds of solid waste management consulting projects throughout California and the United States.

Richard Tagore-Erwin


Mr. Tagore-Erwin’s project work encompasses all aspects of solid waste management and environmental consulting. Over the past 25 years, Mr. Tagore-Erwin has conducted over 140 solid waste procurement and management consulting projects for a variety of public agencies throughout California and Arizona. Those projects include rate audits, performance and compliance reviews, and competitive procurements of solid waste and recycling programs and facilities. In addition to his procurement and financial analysis work, he has managed over 100 projects encompassing preparation of AB 939 plans, development of Eco-Industrial Parks, administration of hauler monitoring and reporting programs, and financial, management, and operations reviews.

Prior to his work as a municipal management consultant, Mr. Tagore-Erwin was a Senior Consultant to the California Legislature where he was instrumental in development of many of California’s solid waste management laws, including AB 939, recycled content requirements, used oil recycling requirements, and labeling of rigid plastic containers. He also has served on several national panels on sustainability.

Garth Schultz


Mr. Schultz has extensive experience in recycling and solid waste management operations, public education and outreach and related projects, including food scrap composting, reusable materials distribution, multi-family diversion and waste reduction education and outreach. He most recently served as Public Works Manager for the City of El Cerrito, with responsibility for managing the city’s municipal recycling collection and processing operations and its solid waste and green waste collection and processing agreements and annual rate setting process. Prior to that he served as a recycling coordinator for Allied Waste.

William Schoen

Project Director

Mr. Schoen is an engineer with more than 25 years of solid waste operational and consulting experience. He has managed recycling and landfill operations and assisted numerous jurisdictions with the review and assessment of both municipally operated and franchised solid waste management systems. His primary expertise lies in the areas of solid waste operations, rate reviews, and financial analysis. He has reviewed the finances and operations of numerous municipal and private sector solid waste management operations including divisions of Waste Management, Republic Services, Recology, Allied, BFI, and other regional and local solid waste management services providers.

Susan Moss

Marketing Manager

Ms. Moss joins the R3 team after an extensive career in Business and Marketing for a diverse array of industries, including consumer and medical Publishing, Travel and Tourism, Education, and Community Organizations. Her experience encompasses: launching and running a new business; purchasing and revitalizing an existing business; spearheading a new corporate division; creating strategic marketing, communications, and multi-channel advertising campaigns; product positioning and branding; providing project management; writing proposals; conducting contract negotiations; producing sales materials and website content; and handling Public Relations. She has a lifelong passion for community service, and currently enjoys helping a fascinating group of international adult learners improve their English as a volunteer ESL teacher.

Kristy Dalay, Marketing Coordinator / Graphic Designer

Kristy Dalay

Marketing Coordinator

Ms. Dalay has experience designing websites, marketing services for public awareness campaigns for a range of organizations, and various marketing and outreach materials. Her areas of expertise include designing for visual and informational graphics and printed products, along with social media marketing, branding recognition and promotional design. She is highly proficient with a range of software platforms including InDesign, Adobe Illustrator, Photoshop and Dreamweaver and front-end web development languages.

Janet Barile

Operations Manager

Ms. Barile provides support services on a wide range of planning, operational, and financial projects. She has also provided administrative assistance with the evaluation of services for municipal operations.

Carrie Baxter

Carrie Baxter

Project Manager

Ms. Baxter has been involved in a range of projects. She has assisted with negotiations and competitive procurement projects for solid waste management services, developed guidelines and tools for municipal agencies promoting waste reduction and sustainability, and been involved in a range of planning, operational, and financial projects assisting with the gathering of data in support of refuse fee analysis and routinely conducting comprehensive solid waste and recycling rate and service surveys. Ms. Baxter has also prepared procurement documents and gathered data from neighboring jurisdictions, analyzed rates and rate adjustment requests, as well as assisted in preparation of Proposition 218 public notifications, staff reports, and reviewing rate adjustment applications. She has also conducted facility and route audits for compliance with ordinances and franchise agreements.

Rosemarie Radford

Project Manager

Ms. Radford has expertise in environmental management, research, policy and data analysis. She comes to R3 with a passion for recycling and waste issues, and extensive experience in mapping, data visualization, database administration, and online software user interface design. She has several years’ experience as an environmental consultant, and a background in public policy and administration.

Sarah LaRock, Project Analyst

Sarah LaRock

Project Manager

With a long-standing passion for resource recovery, Ms. LaRock holds a Masters of Public Administration with a concentration in Solid Waste Management. After several years of working for municipal governments, Ms. LaRock joined R3, offering her expertise in zero waste planning, contract management, regulatory compliance, program development, grant writing, and financial analysis. While she appreciates all aspects of her work, Ms. LaRock most values building relationships with individuals and communities to make a positive impact on our shared environment.

Emily Ginsburg

Senior Project Analyst

As a Project Analyst at R3, Ms. Ginsburg has particular proficiency in solid waste data management and administration, as well as developing and evaluating programmatic alternatives, implementation, and ordinances concerning solid waste. As such, she has a wide range of skills and knowledge to offer through her project assistance in strategic solid waste planning and implementation for our clients. She also has experience with community outreach and customer service.

Ryan Calkins, Senior Project Analyst

Ryan Calkins

Senior Project Analyst

Mr. Calkins, a Marine Corps veteran, joined R3 after serving as Route Manager for Waste Management (WMI) in Stockton. His successful career managing private sector waste, organic, and recyclable collection systems for WMI and California Waste Solutions (CWS) in the Bay Area included the following responsibilities: training Route Managers; training and certifying sites in Onboard Computing Systems Dispatch (OCSD) systems; using Geographic Information System (GIS) software for rerouting and mapping routes; managing unionized drivers; and coordinating daily collection and operational needs with fleet maintenance services. As a Senior Project Analyst at R3, Mr. Calkins’ extensive Operations experience is extremely valuable to his work on all projects involving review and analysis of residential and commercial processing operations. He has contributed his talents to R3 engagements in these areas: Collections & Processing Operations Analysis & Review; Collection System Routing Technology; Hauler Performance Standards Reviews; Municipal Operations Reviews; Solid Waste Route Studies; Contract Compliance Audits; Detailed Rate Reviews; and Franchise Agreement Reviews and Recommendations. Mr. Calkins’ and his fiancée’s Australian Shepherd, Mulder, just graduated from puppy training and is now ready to sit still at all of the area’s finest breweries and coffee shops, where his preferred beverage is…water!

Taylor Grimes, Project Analyst

Taylor Grimes

Project Analyst

As a sustainability professional, Ms. Grimes comes from a background working in the private sector for solid waste collection, demonstrating knowledge and passion for working with local recycling and waste reduction resources and promoting sustainable practices, waste reduction and recycling programs. Her wide range of experience includes diversion reports, waste audits, legislative compliance and program implementation and oversight, among other areas. She has also worked with local government and state agencies and implemented outreach initiatives, and enjoys being an active member in the community.

Nikhil Tagore-Erwin

Associate Analyst

Mr. Tagore-Erwin joined R3 after completing studies at the University of Hawai’i in Biology and Political Science and gaining experience in project and office management plus business marketing. As an Associate Analyst, he provides valuable support on a wide range of projects, including: Detailed Rate Reviews; Rate Surveys; Hauler Performance Reports; Financial Analyses; Solid Waste Planning; and Grant Application Reviews. His contribution on these projects includes in-person client meetings, conducting surveys, performing online and in-the-field data research, and compiling and critically analyzing the resulting data and findings. Mr. Tagore-Erwin is a dedicated gym rat and gamer who loves sharing his treasured Kona coffee with his fellow Californians.

Claire Wilson

Associate Analyst

Ms. Wilson’s background in environmental science and ecology combined with her experience in research and data analysis plus community outreach and education are valuable assets to R3. As an Associate Analyst, she provides support on a variety of projects, including: rate-adjustment reviews; performance reviews; field work; and editing. She is passionate about working with local governments to reduce and better manage their waste streams.

Sharon Ng, Associate Analyst

Sharon Ng

Associate Analyst

Ms. Ng has a passion for sustainability, resource recovery, and Zero Waste initiatives. She recently joined R3 after several years of conducting academic, market, and business analysis using a variety of programming languages. Her ability to organize and derive insights from complex data provides valuable support in financial & rate analyses, compliance assistance, and solid waste planning. She’s been busy building her industry experience completing solid waste audits and assisting with Franchise Agreement negotiation extension analysis and billing audits. Ask her about her cats!

Eimi Tagore-Erwin, Marketing Associate

Eimi Tagore-Erwin

Marketing Associate

Ms. Tagore-Erwin’s experience as an editor, copywriter, and graphic designer inform her work as a Marketing Associate for R3. Her strong writing and editing background enables her to provide valuable support on a range of R3’s marketing activities, including new lead generation and proposal development.

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