top of page

2024 Western Regional Symposium Speaker Bios

Doug Kobold, Executive Director for the California Product Stewardship Council (CPSC)
Doug has been “talking trash” for over 30 years.  He is currently the Executive Director for the California Product Stewardship Council (CPSC), a position he has held since August 2018.  Previously he spent over 18 years with Sacramento County as a Program Manager, over 2 years in consulting, and over 5 years with Yolo County as an Operations Manager. He has a degree in Civil Engineering from California State University, Chico and currently serves as the Vice President of CRRA, the Environmental Organization Appointee and Vice Chair of the SB 54 Advisory Board, and Past Chair on the SWANA Legislative Task Force (LTF).


Joe Ayala has nearly 30 years of experience commercializing new technologies. He leads the ECONWARD TECH, LLC business in North America and believes anaerobic digestion is one of the pivotal solutions for organic waste recycling. Joe holds master’s degrees in chemical engineering, business administration and international business. Joe loves Brazilian jiu jitsu and hiking long hours with his wife and two kids; recently they completed a 75-mile hike to Santiago de Compostela in Spain, finishing the journey in just 5 days.

Jaime Britt, CPS, MS

Position with Athens Services

Jaime is the Sr. Director of Occupational Health & Safety for Athens Services. He joined Athens Services in November 2018 and has been in his current role for 5 years.


Jaime has 33 years’ experience in the safety related industry, working for Ralph Lauren, Chiquita Brands, Aramark, and Athens Services. He has multiline experience in manufacturing environments, food safety, fleet safety, PSM programs, OSHA compliance, DOT related programs, Behavioral safety, EHS Auditing, Accident investigations, & Casualty insurance.

Jaime is a Certified Safety Professional of the BCSP & a Professional member of ASSP.


Bachelor of Science – Occupational Health & Safety - Summa Cum Laude - Columbia Southern University.

Masters of Science -  Occupational Health & Safety - Magna Cum Laude - Columbia Southern University.

Brad Cea, Waste Management

Brad spent the last seven years serving as Director of Sales and Public Sector Services for WM’s Northern California/Nevada market Area.  In these roles, Brad had direct leadership for the open market and franchise governmental sales teams.  He played an integral role in deploying WM’s Smart Truck technology in the Northern California area.  Prior to joining the team in Northern California/Nevada, Brad led the Inside Sales Channel for WM.  In his new role he serves as an SB 1383 subject matter expert for the Northern and Southern California teams, assisting with annual route review implementation, SB 1383 negotiations, and SB 1383 compliance training. 

Daniel J. Domonoske, Executive Vice President of Potential Industries, Inc.
Daniel J. Domonoske has more than 30 years recycling experience.  At Potential Industries, Dan has been in the business of “closing the loop” by sorting-processing at their regional Material Recovery Facility (MRF), municipal operating and marketing contracts, trans-loading, exporting, glass beneficiating, and traditional recycling.  Dan has a BS in Economics, a Masters in International Business Management and a PhD in Environmental Policy.  Dan is recognized in the  industry as having technical expertise in MRF processing and marketing of post-consumer MRF sorted materials.

Rob Hilton, HF&H Consultants, LLC

Since 2002, Mr. Hilton has provided recycling and solid waste consulting services to over 160 public agencies on over 600 projects covering a wide range of strategic, operational, programmatic, contractual, and financial issues. Rob leads HF&H’s California franchising team in support of more than a dozen communities each year who are either competitively procuring or negotiating solid waste collection, processing, and/or disposal contracts. Mr. Hilton has worked with dozens of agencies statewide to analyze the impact on local government franchises from recent court decisions in Jacks v. Santa Barbara and Zolly v. Oakland. HF&H is now leading efforts statewide, including performing studies cooperatively with many different specialized law firms, hosting workshops and webinars with key stakeholders, and developing solutions that are responsive to these court interpretations. One of those solutions is a refuse vehicle impact fee analysis that Rob developed nearly 15 years ago in response to the Howard Jarvis v. Fresno decision in order to replace in-lieu franchise fees charged by municipal collectors.

Kirk Kunihiro is a co-owner and principal of ReCREATE Waste Collaborative, a Long Beach-based waste and recycling consulting firm that provides planning and boots-on-the-ground implementation services to government and hauler clients throughout the US. Kirk oversees ReCREATE’s waste characterization and SB 1383 route reviews team. In addition to Kirk’s professional activities, he is a lead organizer and board member with Long Beach Community Compost, a grassroots nonprofit dedicated to providing, and increasing access to, community scale and local food scrap recycling at no cost to residents of the greater Long Beach area.

Phil Mainolfi, HF&H Consultants, LLC
Philip Mainolfi is a Senior Project Manager at HF&H Consultants, who provides environmentally, economically and socially responsible planning, financial, and management consulting to achieve clients’ visions of a sustainable future. In his current role, Mr. Mainolfi has been responsible for: financial modeling; policy studies; strategic planning; financial feasibility studies; franchise bid processes and contract negotiations; franchise management; cost of service studies; rate studies; and litigation support consulting.

Jim Miller, CEO and Founder of JRMA

Jim Miller, CEO and Founder of JRMA, is a highly respected professional with a long-standing reputation as a trusted advisor and industry leader in the design and implementation of process-driven facilities. Jim has built a wealth of expertise across on organic waste processing facilities which has allowed him to make significant contributions to a wide range of facilities, resulting in the alignment of economy and sustainability with operational functionality and efficiency. He has been recognized for his contributions to the field, receiving accolades such as the SWANA Lifetime Achievement Award in 2023 and the Civil Engineering Career Achievement Award from the University of Kentucky in 2011. His commitment to excellence and innovation in facility design has earned him a reputation as a thought leader and influencer in the industry.

Kevin Oxford, Orange County Waste and Recycling
As Senior Project Manager for Orange County Waste and Recycling's South Region, Kevin is the lead on the region's capital and non-capital projects. As a twenty six year veteran of County service a strong construction management background keeps an ambitious development slate progressing. OC Waste & Recycling (OCWR) is responsible for managing Orange County, California’s solid waste disposal system including South Region Landfills that consist of the active Prima Deshecha Landfill (Prima) and five closed solid waste disposal sites.

Ali Saleh, Orange County Waste and Recycling
Ali Saleh is the Civil Engineer for Orange County Waste and Recycling’s South Region serving as the site engineer for the active Prima Deshecha Landfill and four additional closed landfills in southern Orange County. He has over 8 years of experience in land development, construction design, and solid waste engineering and has been working for OCWR since 2021. In his current role, Ali provides critical engineering support for daily landfill operations at the Prima Deshecha Landfill as well as ongoing/future improvement projects throughout all South Region sites.

Olivia Sanchez, MBA, Program Manager – Environment/Solid Waste, Western Riverside Council of Governments

Embarking on my journey in solid waste and recycling back in 1999, I've navigated through various roles in both public and private sectors. My expertise encompasses the intricacies of grant management, program implementation, and a diverse range of areas including hazardous waste, program planning, recycling analysis, school gardening education, composting, marketing, and outreach.

As I progressed in my career, I honed and fortified these skills, expanding my scope into franchise contract compliance, green building education, construction/demolition programs, solid waste operations/hauling, landfill diversion programs, food rescue initiatives, and legislative compliance

Patrick Sullivan, Senior Vice President, SCS Engineers

Patrick Sullivan is a Senior Vice President at SCS Engineers (SCS); he is a Board Certified Environmental Scientist, Certified Permitting Professional, and an Accredited Lead Verifier for Greenhouse Gas (GHG). Mr. Sullivan has over 34 years of experience and expertise in air quality, GHG, air toxics, and landfill gas (LFG) issues for landfills and other solid waste facilities.  He is the Managing Director of SCS’s consulting and engineering operations within the Southwestern United States.  Mr. Sullivan is the National Expert for SCS’s companywide Clean Air Act program; he also oversees SCS’s company-wide GHG and Risk Assessment programs and is one of the national experts on emissions and toxic chemical exposure issues for landfills and solid waste facilities.  Mr. Sullivan is a company Executive and Member of the Company’s Management Advisory Committee.  He has been the Principal-in-Charge for numerous projects related to air quality permitting and compliance, GHG inventorying and verification, odor investigation and mitigation, air toxics risk assessment, and LFG studies at solid waste as well as related engineering services.  Mr. Sullivan has published and/or presented over 120 technical papers in industry journals, publications, conferences, seminar, and workshops.

Andrew Trotter, Vice President, Field Operations, WCA

Andrew Trotter, Vice president of Field Operations he has worked at WCA for 42 years during that time helped develop many of the operations programs at the company including training, testing, and recycling programs. He has served on boards of California Urban Forests Council, Street Tree Seminar, Western Chapter ISA and currently on the California Re-Leaf and Urban Wood Network boards. Volunteer work includes grass roots development of the BMP’s Tree Care for Birds and Wildlife program of the WCISA and fundraising for the Britton Fund providing funding for tree research and education. He is a Certified Arborist, Utility specialist and Certified Urban and Community Forester with the Society of American Foresters.


Greg Wolffe, SCAQMD CPP, Principal Scientist III, Yorke Engineering

Greg Wolffe, a Principal Scientist at Yorke, has over 35 years of experience in air quality consulting and research.  Mr. Wolffe has supported government and commercial organizations in assessing air quality impacts for a broad range of projects, from small single device permit modifications to large multi-year new facility construction projects.  These projects involve facility-wide source modifications, evaluating short-term construction toxic air contaminant (TAC) emissions for health risks, proposed project mitigation in support of environmental review pursuant to the California Environmental Quality Act (CEQA), and permitting and/or feasibility planning of capital projects.  Mr. Wolffe has strong technical skills in air dispersion modeling, health risk assessments (HRAs), ambient air quality impact assessment, odor impact assessment and monitoring, and emissions quantification.  Mr. Wolffe has specific recent experience working with Southern California water and sanitation districts, including Orange County Sanitation District (OC San), Mesa Water District, Irvine Ranch Water District (IRWD), Inland Empire Utilities Agency (IEUA), South Coast Water District (SCWD), where he has assisted these facilities with solving emissions and odor control problems.  He has performed hundreds of air quality emissions evaluations in California for local air quality management districts, including the South Coast Air Quality Management District (SCAQMD), San Joaquin Valley Air Pollution Control District (SJVAPCD), Mojave Desert Air Quality Management District (MDAQMD), and San Diego County Air Pollution Control District (SDAPCD).  Mr. Wolffe assists clients with regulatory analysis, air district negotiations, and air district-related regulatory initiatives, including but not limited to rule development, permitting, internal and external compliance audits and corrective actions, and with settling enforcement actions.  Mr. Wolffe is a Certified Permitting Professional (CPP) with the SCAQMD, a certified ISO 14001 lead auditor, and a recognized individual in the air quality field in Southern California.

bottom of page