Southern California Waste Management Forum
SCWMF 2026 SPRING CONFERENCE & EXHIBIT
MARCH 25, 2026
DOUBLE TREE BY HILTON
WHITTIER, CA
2026 Spring Conference Speakers
Thank you to our speakers for sharing their time and expertise.
.jpg)
Bill Camarillo, CEO of Agromin
Agromin, one of the largest organic recyclers in California and the United States, remains passionate after 20 years in the industry. As the CEO of Agromin in Oxnard, California, he plays a key role in pioneering sustainability through organic conversion. All of Agromin’s over 200 eco-friendly organic soil product – which range across the retail, agriculture, landscape and energy sectors are the earth friendly result of over 380,000 tons of organic materials that are converted each year.
Raul Diaz, Public Works Director City of Cudahy
Raul Diaz serves as the Director of Public Works for the City of Cudahy, bringing over 20 years of experience in building and safety. Throughout his career, He has led and supported public infrastructure and capital improvement projects while ensuring compliance with local, state, and federal regulations. In his role, Raul Diaz oversees public works operations with a strong emphasis on public safety, efficient service delivery, and regulatory integrity. His extensive background in building and safety has played a key role in strengthening inspection services, enhancing operational standards, and supporting the City of Cudahy’s long-term infrastructure and community development goals.
Judi Gregory, Go2Zero Waste Strategies
Judi Gregory, owner of Go2Zero Strategies, has worked in the recycling and solid waste management field for over 25 years. In 2013 Ms. Gregory was awarded Small Business of the Year by the CA Small Business Association.
Throughout her career, Judi has worked with various hauling companies as well as operated her own hauling company for 10 years. She has set up recycling programs at some the largest movie studios in the world, including Paramount Studios, NBC, ABC, CBS and Warner. READ MORE.
Laura Johnson, SCS Engineers
Laura Johnson is a Senior Project Professional on the Sustainable Materials Management team at SCS Engineers, where she has worked for over four years. Laura specializes in waste characterization studies, organics recovery, and compliance strategies, including extensive experience supporting California jurisdictions with SB 1383 implementation.
Doug Kobold, Executive Director at California Product Stewardship Council
Doug has worked in the Solid Waste and Recycling industry for
over 30 years. He accepted the position of Executive Director
for the California Product Stewardship Council (CPSC) in
August 2018. As Executive Director, his duties include
responsibility for leading strategic coalition development,
including long-term program strategy and resource
development. The Executive Director is also responsible for
leading staff and coalition members, while adhering to CPSC’s
goals, mission, and vision. Overall, the Executive Director is
specifically responsible for financial management, fundraising,
governance, personnel supervision, and special programs. READ MORE
Pilar Mejia
Municipal Manager, Republic Services, Los Angeles Market Area
​
​
Christopher Sheppard is a Senior Civil Engineer working for the Environmental Programs Division of Los Angeles County Public Works.
Chris provides technical support, insight and direction for Solid Waste Management policies and programs within Public Works.
Mr. Sheppard received his Bachelor of Science in Civil Engineering from Syracuse University as well as a Master’s degree in Public Administration from Cal State Northridge, and is currently a registered Civil Engineer in California.
Madeleine Tully, Go2Zero Waste Strategies
Madeleine Tully is a Zero Waste Project Lead at Go2Zero Strategies, joining the company in January 2024. Ms. Tully oversees and manages the scheduling, data reporting, and safety programs for waste sort characterizations conducted for several private haulers in the Los Angeles area. She also assists jurisdictions with contamination minimization programs and SB 1383 Implementation Record keeping.
Cynthia Vant Hul, MPA, DBE, SBE, WBE, Mariposa Eco Consulting, Inc. Consultant
Resource Recovery & Recycling Consultant
Cynthia Vant Hul has spent 28 years in managing environmental issues within the solid waste management industry. Her area of expertise is in waste management, environmental protection, regulatory mandates, contract compliance, sustainable program development and correlating greenhouse gas emissions with waste productions in the municipal and private industry. Cynthia gained her solid waste production in the municipal and private industry. Cynthia gained her solid waste experience working for the city of Claremont, Solid Waste Department as a municipal trash hauler. During her 5 years at the at the City of Claremont, she served as the Recycling Specialist overseeing all sustainable and green programs, hazardous waste and universal waste management, department budget, grants, contract compliance, mandates and reporting. As the Recycling Compliance and Regulatory Manager for Waste Management, Cynthia spent 6 years managing the regulatory and program management for over 30 franchise city contracts . In 2011, Cynthia opened Mariposa Eco Consulting, Inc with the vision in mind of sharing her knowledge and experience to help train and lead a generation of environmental leaders in private and public workplace.
Cynthia holds a Masters of Public Administration from California State University,
San Bernardino.
Ashlee Yee. Branch Chief – CalRecycle (JACE)
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.