Meet Our Speakers
We're honored to feature a distinguished lineup of speakers whose expertise and perspectives make the 4th Annual Solid Waste Summit an exceptional opportunity to learn, connect, and engage in meaningful conversations shaping the future of our industry.

Click on a speaker to learn more about their story, accomplishments, and presentation topic.
Jennifer Tabanico
President, Action Research
Website Link: Action Research
Jennifer is recognized internationally as an expert in applying behavioral science and community-based social marketing to foster a wide range of environmental behavior changes, including those impacting waste, water, air quality, biodiversity, and energy.
For over twenty years, she has worked with federal, state, and local government agencies, private companies, and community organizations across the globe. Jennifer is skilled at translating insights from the behavioral sciences so that they are accessible to practitioners who are working to create effective behavior change initiatives. Her work has been published in peer-reviewed journals, including the Journal of Environmental Psychology, Social Influence, and Social Marketing Quarterly. She has also contributed chapters to books on hazardous waste management, social marketing, and producer responsibility and is coauthor of the 4th edition of Fostering Sustainable Behavior: An Introduction to Community-Based Social Marketing (2025).
Since 2016, Jennifer has served as an instructor for the Behavior Change and Sustainability and the Sustainable Business Practices Certificate Programs at the University of California San Diego (UCSD) Extended Studies.
Representative from the California Leadership Team, Circular Action Alliance (CAA)
Website Link: Circular Action Alliance
A member of the California leadership team at Circular Action Alliance (CAA) will join us to discuss the implementation of California's SB 54, the state's landmark extended producer responsibility law for packaging and paper products. CAA serves as the Producer Responsibility Organization responsible for implementing SB 54 and collaborating with producers, government agencies, and stakeholders across California.
Christina Westbrook
President and Ceo, Goodwill Central Coast
Website Link: GOODWILL CENTRAL COAST
We are excited to welcome Christina Westbrook to the Solid Waste Summit speaker list. A complete biography and professional background will be added soon. Stay tuned for more information.
Kendra Paulding
Executive Director, EcoSlo
Website Link: EcoSlo Website
Kendra grew up in Sacramento before relocating to San Luis Obispo to attend Cal Poly, where she earned a degree in Business Finance. After graduating, she launched her career at Morgan Stanley and later partnered with her husband to manage their own boutique law practice.
A dedicated community member, Kendra has enjoyed serving on several local nonprofit boards and organizing volunteer cleanup events throughout SLO County. Her deep roots in the area and commitment to environmental protection make her an excellent fit for ECOSLO, where she seeks to leverage her experience and passion to enhance the organization’s impact on the community.
In her free time, Kendra loves gardening, cooking, and taking daily walks with her husband and their dog, Remy.
Zach Zimmerman
Municipal Outreach Coordinator for San Luis Obispo, Waste Connections
Zach currently works for Waste Connections as the Municipal Outreach Coordinator in the San Luis Obispo area, where he strives to educate the public regarding solid waste service and diversion, while interfacing with local municipalities regarding franchise agreements, and collaborating with regional educational groups and nonprofits. He has also participated in myriad statewide working groups and technical councils reviewing impending legislation relevant to the solid waste industry.
Zach has decades of organizational leadership experience all over the west, from up and down the Central Coast of California to the mountains of Jackson, Wyoming. Recent professional pursuits have included the Santa Barbara Land Trust, Cal Poly San Luis Obispo, Jackson Hole Community Radio, and a term as a City Councilmember in his current home of Grover Beach.
Jessican McGinnis
Public Sector Team Senior Account Executive, WM
Jessica McGinnis is a Senior Account Executive on the Public Sector team at WM, where she partners with municipalities and public agencies to develop strategic solutions that address complex operational challenges.
With a strong commitment to customer service, community engagement, and long-term value creation, she collaborates closely with governing entities to align innovative services with their organizational priorities and community objectives.
Jessica is recognized for her collaborative approach, ability to cultivate trusted partnerships, and dedication to delivering sustainable outcomes that enhance the communities WM serves.
Thomas Gratz
Sales and Business Development Manager, Kanadevia Inova USA
Website Link: Kanadevia Inova North America
Mr. Gratz joined Kanadevia Inova USA (formerly Hitachi Zosen Inova) in January of 2016 as Sales Manager responsible for all sales activities of the companies anaerobic digestion and renewable gas technologies. He has been involved in the renewable gas/ biogas industries for over 16 years and brings over 35 years of experience in sales management, development, marketing and public relations. His experience is providing technical solutions for sustainable organic waste diversion to end users, in both public and private sectors. He successfully managed the start-up of several European Sales Organizations in the US and has a proven track record of implementing advanced new technologies in the US.
Mr. Gratz is responsible for the Sales and Project Development activities for Anaerobic Digestion and Biogas Upgrading Systems in North America and was involved in the development and commissioning of the company's first US facility in San Luis Obispo, CA, as well as all other subsequent high solids anaerobic digestion projects in the US to date.