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SCWMF 2025 SPRING CONFERENCE & EXHIBIT

NOVEMBER 19, 2025

DOUBLE TREE BY HILTON

222 VINEYARD AVE, ONTARIO CA 91764

2025 Annual Conference Speakers
Thank you to our speakers for sharing their time and expertise.
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Arisha Ashraf – Project Analyst – Arisha Ashraf is a highly qualified financial analyst. Her experiences in economic and environmental occupations have led her to develop a relevant set of skills to be a financial analyst in the solid waste industry. In particular, her work conducting cost-of-service analyses for utility rates with Raftelis Financial Consultants has led her to develop a strong analytical background.

As well as a Doctor of Philosophy degree in Environmental Economics & Policy, Arisha also has a Master of Arts degree in International Sustainable Development from Brown University and a double Bachelor of Arts and Science: Biology and International Relations from Boston University.

She has also demonstrated her interest in environmental issues and other topics through volunteer work and extracurriculars. Some of her previous involvement included being a member of Women in Cleantech and Sustainability, being a member of the National Stewardship Action Council, being a member of the International Society for Ecological Economics, and volunteering for the Surfrider Foundation Ocean-Friendly Restaurants Program.

Relevant Experience

California Green Business Network – Sustainability Consultant - Ms. Ashraf has provided technical assistance to businesses to implement sustainable practices, strengthened partnerships between small businesses and local governments to advance green initiatives, and provided businesses with resources for GHG reduction, energy efficiency, water conservation, and waste management at the municipal, state, and federal level.

 

Raftelis Financial Consultants – ESG Financial Consultant – Ms. Ashraf has conducted cost-of-service analyses and developed equitable rate structures for public water utilities. She has performed financial planning and economic analysis for projects with large annual revenues and has authored comprehensive reports to communicate rate-setting methodologies and options.

 

California Data Collaborative – Data Science Fellow – Ms. Ashraf has analyzed conservation data for over 30,000 utility accounts to inform water saving initiatives and conducted regression analyses on climate, economic factors, and utility rebate program effectiveness.

 

University of California Riverside – Department of Environmental Sciences – Ms. Ashraf has researched climate change impacts on Southern California’s water demand and pricing, supervised a team of undergraduates in survey analysis and data collection, and secured competitive grants and fellowships to support environmental economics research.

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Mike Caprio, Director of Government Affairs - CA at Republic Services

In this role, he oversees legislative and regulatory activities throughout the state and provides advocacy on matters related to environmental services, climate initiatives, the circular economy and sustainability. Mike works closely with peers in the industry as well as several non-profit organizations that advocate on common issues. His operations background has provided an in-depth view of the challenges associated with implementation of policy decisions and how initiatives can be developed so that optimal outcomes are achieved.

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David Davis, CMA, President, MSW Consultants

David Davis – Mr. David Davis is a Certified Management Accountant (CMA) with over 30 years of experience in the field of solid waste management. Mr. Davis’s expertise lies in working with municipal managers to maximize the value of the solid waste services provided to their ratepayers. He has held executive management positions in both the private and public sectors and has extensive experience in providing business advisory services to local government in the field of solid waste management.

As a chief financial executive for local hauling and landfill divisions of a national solid waste management company, Mr. Davis was responsible for financial reporting, budgeting, cost analysis, billing, and collections. He also managed the accounting and rate analysis sections of the City of Riverside’s Department of Public Utilities.

Mr. Davis has specific experience in: 1) analysis and design of customer rates for refuse collection, transfer, processing and disposal operations; 2) development and evaluation of competitive proposals for waste collection, recycling, and transfer service; 3) feasibility studies for waste processing, waste transfer, and landfill gas projects; 4) verification of the proper payment of solid waste fees; 5) management reviews of solid waste operations; 6) evaluation of alternative waste diversion programs; 7) solid waste program planning and funding; and, 8) evaluating internal management controls.

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Jenna Dotson, Municipal Manager at Republic Services

Jenna Dotson is the Municipal Manager of North San Diego for Republic Services, responsible for partnerships with municipalities across North San Diego. Jenna played a key role in implementing SB1383 across the City of Carlsbad. In partnership with the city, she has developed multiple methodologies to achieve SB1383 compliance. Jenna is a Southern California native with a passion for Sustainability. She holds a bachelor’s degree in Environmental Studies from California State University San Marcos.

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Zoe Heller, Appointed Director of CalRecycle in May 2024
Director Heller served as CalRecycle’s first deputy director over the Division of the Circular Economy since May 2023. Prior to that, she helmed CalRecycle’s Division of Mixed Materials and Local Assistance. She previously served as CalRecycle’s deputy director over the Office of Policy.
Earlier in her career, Director Heller worked at the U.S. EPA’s Pacific Southwest Office for more than 10 years. She was manager for the Zero Waste section for three years and served as special assistant to the Regional Administrator from 2012 to 2013, and an environmental protection specialist in the Environmental Justice program from 2006 to 2012. From 2004 to 2006, Director Heller was a research and policy analyst at the Center for Neighborhood Technology in Chicago, Illinois.

Director Heller holds a Bachelor of Arts in Environmental Policy from Eckerd College in St. Petersburg, Florida, and a Master of Public Administration from Roosevelt University in Chicago, Illinois.

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Felix Hottenstein, Sales Director at CP/MMS

Felix received his Masters Degree in Material Science Engineering from the Federal Polytechnical Institute in Zurich, Switzerland (ETHZ). For almost 27 years, Felix has been Sales Director for MSS Inc., the optical sorter division of the CP Group. Based in Nashville, TN, MSS designs and manufacturers optical sorting technology for metal scrap applications. The offered sensor technologies are NIR, Color, Induction and AI.

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Avecita Jones, Senior Program Manager, Sustainable Materials Management, City of Carlsbad

Avecita Jones serves as the Senior Program Manager for the City of Carlsbad Environmental Sustainability Department. She holds a Master’s degree in Business Administration and Educational Leadership from the University of Texas. Joining the city in 2015 as a Management Analyst, she spearheaded the solid waste program's evolution into the Sustainable Materials Management Division. Avecita played a critical role in crafting Carlsbad's first Sustainable Materials Management Plan in 2019, positioning the city as a leader in environmental stewardship and innovation. Avecita is passionate about implementing programs in the city that holistically benefit the local economy, environment, and San Diego region.

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Tom Koutroulis, OC Waste & Recycling

Tom Koutroulis is the Director of OC Waste & Recycling, a department of the County of Orange. OC Waste & Recycling manages one of the nation’s premiere solid waste disposal systems serving Orange County’s residents and businesses. On behalf of 34 cities and over three million residents, the department operates a network of three active landfills, three compost facilities, four household hazardous waste collection centers and 21 closed sites.

Tom began his career in the solid waste industry in Orange County working in a family business. With over 30 years of experience in the industry, Tom has witnessed the ever-changing landscape for waste and recycling. Throughout Tom’s tenure in the industry, he has held various roles working on business improvement projects for safety, efficiency, customer service, technology implementation and provided key research and development in organics recycling.

Prior to being appointed Director in 2017, he served in a leadership role while working for Waste Management, Inc. as a Sr. Manager in Organics Project Development.

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Philip Mainolfi, HF&H Consultants, LLC

Philip brings over 13 years of prior financial, accounting and process automation experience, as well as seven years of diverse experience in the solid waste industry.  While in the private sector, he spent three years managing solid waste contract compliance for 46 municipalities and government agencies, developing financial models, automating financial reporting processes, designing and developing management reporting tools, and managing external audits.  Mr. Mainolfi received invaluable insight into hauler/processor operations, zero waste planning, and public outreach.  Prior to entering the solid waste industry, Mr. Mainolfi spent four years as a business analyst at Brown Brothers Harriman where he focused on process automation, procedure development, and the implementation of a centralized data ecosystem.

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Ashley Norseth, EcoNomics, Inc.

Ashley is a Director at EcoNomics, Inc. consulting, specializing in compliance with state-mandated solid waste and recycling programs. She holds a B.A. in Environmental Studies from the University of California, Santa Barbara, and originally began her career with one of the nation’s largest waste haulers. With extensive knowledge of hauler operations, Ashley supports municipalities with SB 1383 hauler contract transitions and the development of city-wide education and outreach programs. Her responsibilities include managing a team of Recycling Coordinators, strategizing city-wide SB 1383 implementation plans for residential and commercial sectors, coordinating edible food recovery outreach, overseeing social media education efforts, handling EAR reporting and implementation recordkeeping, and ensuring hauler contract compliance. In her free time, Ashley enjoys spending time with her Golden Retriever puppy, Winston.

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Heidi Sanborn, Founding Executive Director, National Stewardship Action Council

Heidi has been a leader in the solid waste industry for 34 years, working with industry, government, and the public to reduce waste, improve product design and recyclability, and implement cost-effective projects and policies which protect public health and the environment and support a circular economy.

Heidi began her career as a consultant working on mandated recycling goals, then became Policy Advisor to the Chair of the California Integrated Waste Management Board, now known as the California Department of Resources Recycling and Recovery (CalRecycle).
 
Heidi was one of the original co-directors of the California Product Stewardship Council (CPSC), a non-profit formed in 2007 to change the way waste management is funded in California. CPSC gained international recognition as a thought leader and driver for producer responsibility programs.

After eight years of success in California, Heidi formed the National Stewardship Action Council (NSAC).  She soon thereafter formed the Stewardship Action Foundation (SAF) as a 501c3 to educate and support the work of NSAC which is a 501(c)(4) nonprofit organization that will engage primarily in lobbying and advocacy work for Extended Producer Responsibility (EPR) anywhere in the U.S. and at any level of government. 

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Christopher Sheppard, Principal Engineer at Los Angeles County Public Works

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Ashlee Yee, JACE Branch Chief, CalRecycle
Ashlee Yee has worked with CalRecycle for over ten years.  Ashlee oversees the Jurisdiction and Agency Compliance and Enforcement Branch, which evaluates jurisdictions’ and agencies’ compliance of our state laws including SB 1383. Previously, Ashlee worked in the Local Assistance and Market Development Branch, where she focused on the implementation of state laws such as mandatory commercial recycling, mandatory commercial organics recycling, short-lived climate pollutants, and state agency recycling as well as the State Agency Buy Recycled Campaign.  Prior to that, Ashlee has worked as a CalRecycle representative for jurisdictions and state agencies in the Bay Area and in CalRecycle’s Jurisdiction Compliance Unit.  Ashlee is a graduate from UC Santa Cruz.

MODERATORS
We appreciate your insights and helping to make our conference a success!
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John Davis administers the Mojave Desert and Mountain Recycling Authority, a nine-member joint powers authority serving San Bernardino County’s High Desert and Mountain communities. His Authority work includes the High Desert Recycling Market Development Zone, the publicly-owned Victor Valley Materials Recovery Facility, and ongoing outreach programs. He has provided program support services to over 60 California local governments; and is an advisor to The Wildlands Conservancy, California’s largest non-profit landowner.

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Bernadette Halverson, Senior Environmental Engineer and Program Manager in the City of Los Angeles’ Bureau of Sanitation
With over 26 years in the environmental field, she has dedicated 19 of those years to solid waste management, recycling, and diversion. Her expertise spans program development, contract management, smart technologies, and facilities planning, design, and construction. Her background also includes recycling and resource recovery, grants analysis, project management, legislative analysis, and regulatory compliance.

Key achievements in recycling and diversion initiatives include the development and implementation of a citywide residential organics program for approximately 750,000 households in compliance with Senate Bill 1383, as well as the improvement of various recycling programs for household recyclables, mattresses, waste tires, dead animals, metals and household appliances. She also successfully negotiated various contracts to support recycling, organics processing, and landfill disposal programs. In facilities, she oversaw the upgrading of 11 district yards for solid waste and livability programs, managed the construction of CNG/LNG fueling facilities, and institutionalized the Solid Resources Capital Improvement Program. In smart technologies, she led feasibility studies and pilot programs for fleet telematics, sensor-equipped waste bins, and underground waste collection systems. She also spearheaded the development of SORT LA, a digital waste-sorting app for City residents, soon to be launched.

Bernadette holds an M.S. in Civil Engineering and Environmental Engineering from California State University, Fullerton, a Certificate Program in Hazardous Materials Management from UCLA Extension, and a B.S. in Chemical Engineering from Saint Louis University, Philippines. She is a licensed Professional Chemical Engineer in California.

Actively involved in the industry, Bernadette serves as a board member of the Southern California Waste Management Forum and a member of the Los Angeles County Integrated Waste Management Task Force.

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Eric Zetz, General Manager, Ventura Regional Sanitation District

Eric Zetz has been in the solid waste industry for several decades.  In 2009 Eric served as the Solid Waste Manager for the City of Clovis (CA) where he oversaw the City's municipal landfill. Then in 2019 Eric served as the Director of the Merced County Regional Waste Management Authority where he oversaw two regional landfills: Billy Wright landfill in Los Banos, CA; and the Highway-59 landfill in Merced, CA. In 2023 Eric became the Environmental Resources Division Manager for the City of Oxnard where he oversees the City's collection services, street sweeping, Material Recycling Facility operations, scale house, transfer station and many contractual partnerships. Eric has served as the Solid Waste Association of North America (SWANA) Central CA Chapter President; SWANA-CA Legislative Task Force Chair; and President of the Stewardship Action Foundation (SAF). Eric has a Bachelor's degree in Public Administration and a Master's degree in Business Administration from Fresno State. Eric also carries a CA Specific Manager of Landfill Operations (MOLO) certification from SWANA.

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