Board of Directors Election

In her role as the Zero Waste and Circular Economy Manager for the City and County of Denver’s Office of Climate Action, Sustainability and Resiliency, Tay leads Denver’s efforts to reduce waste and develop a thriving circular economy through an ever-growing portfolio of policy, programs, incentives, and education efforts.
Prior to her current role, Tay worked as a consultant for a recycling and sustainability focused consultancy and supported both public and private-sector clients advance recycling and achieve their circularity goals. Prior to consulting, she spent many years supporting the City and County of Denver’s waste diversion programs, including the expansion of curbside composting, compost circularity efforts, and other community-facing recycling programs.
Outside of work, Tay enjoys thrifting, crafting, and spending as much time outside as possible, whether that’s in her own backyard, on one of Denver’s many bike paths, or while exploring Colorado’s spectacular backcountry.

Adam Farmer is the Chief Operating Officer and Co-Founder of Driven Plastics, a Colorado-based company dedicated to transforming post-consumer and post-industrial polyethylene film into high-value asphalt additives. In addition, Driven Plastics manufactures a bio-based asphalt rejuvenator that provides a sustainable alternative to conventional petrochemical products. With a background in chemical and mechanical engineering and extensive operational leadership experience, Adam focuses on advancing sustainable manufacturing practices that reduce plastic waste, close the loop on materials, and support circular economy growth. His work centers on scaling innovative recycling technologies, building resilient local supply chains, and creating solutions that minimize environmental impact while delivering measurable community and economic benefits.

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Julie Mach is the owner and founder of Elements Mountain Compost in Salida, CO and has been working on rural organic waste diversion since 2014. She is a Certified Compost Operations Manager as accredited by the U.S. Composting Council, she currently serves as the Treasurer on the Recycle Colorado Board of Directors and is the Regional Sustainability Contractor for Chaffee County, CO. Julie has worked in environmental conservation since 2009, previously serving as the Chief Conservation Officer for the Colorado Mountain Club. She holds a Bachelors of Science from Allegheny College and, when not working, can be found exploring the backcountry by bike or skis.

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Beth Markham is the Environmental Sustainability Manager for the Town of Vail and implements programs and policies to achieve sustainability goals established in the town’s Strategic Plan. Focus areas include waste diversion, sustainable transportation and mobility, greenhouse gas emissions reduction, climate adaptation and resiliency, and sustainable business and tourism. Education and outreach are at the heart of her work. She entered her career in sustainability as an environmental educator for a solid waste management company on the East Coast before relocating to Colorado in 2007. Giving tours of landfills, transfer stations, waste to energy plants, material recovery facilities, and commercial compost facilities opened her eyes to the world of consumption and waste that exists and the importance of materials management and a circular economy. This experience ignited her passion for inspiring behavior change that leads to reduced consumption and increased diversion through recycling and composting. In her current role, Beth oversees all waste diversion efforts implemented by the Town of Vail, including recycling and compost programs (internal and community wide), Hard to Recycle events, policy development, implementation and compliance, implementation of zero waste requirements at special events, collaborating with local haulers, collecting and tracking of trash, recycling and compost data, organization of annual community clean up events, education, outreach, and community engagement. She represents Vail on the Materials Management Task Force for the Climate Action Collaborative of Eagle County, working on regional waste diversion solutions. She brings a unique lens of challenges and opportunities for materials management efforts at a local government level in the heart of the mountains that welcomes 3.7 million visitors annually. When not implementing sustainability programs for Town of Vail, Beth can be found dancing to live music, skiing, hiking, mountain biking, and exploring the Colorado mountains with her family.

Caroline Mitchell has been a member of Colorado’s recycling and the Recycle Colorado community for over 20 years. She works as the Colorado Recycling and Circularity Lead at the consulting firm HDR.

Caroline thrives in strategic spaces and can also get into the details to make sure they support the vision. She is a relationship-oriented person and loves to find the heart of complex topics and decisions, find ways to communicate them clearly, and work collaboratively toward solutions.

Professional background

• City of Fort Collins: Prior to joining HDR, Caroline worked for the City of Fort Collins for 14 years. She led Fort Collins’ conversion from open market to contracted residential hauling. She also developed and implemented policy and programs in the areas of food scrap and yard trimmings composting, multi-unit housing and commercial sector recycling, construction and demolition material recycling, single use plastics reduction, landfill bans, zero waste and circular economy planning, regional infrastructure development, recycling drop-off center development and management, environmental compliance, was the resident waste data geek, and helped create a baseline of clear, accessible communication resources throughout.
• Colorado’s Producer Responsibility (EPR) Program: Caroline was the founding Front Range Municipal Representative and Co-Vice Chair of Colorado’s Producer Responsibility Advisory Board from January 2023 until May 2025 and has been deeply engaged in EPR in Colorado since the initial stakeholder process.
• Eco-Cycle and Recycle Ann Arbor: Earlier in her career, Caroline worked in the non-profit sector for 8 years, with Eco-Cycle and Recycle Ann Arbor. Her experience included managing a cart roll out and service change to 28k homes in Ann Arbor, MI, and supporting Lafayette and Louisville CO in their shift from open market to contracted hauling.

Recycle Colorado connection

• Long-time active member and prior board member: Caroline has been an active member of Recycle Colorado for many years, and served on the board from 2015-2019, during a time of much change and multiple Executive Directors. Caroline and other board members helped navigate these changes and the re-visioning of that time.
• Active in Policy Committee: Caroline has been an active member of the Policy Committee for many years, including participating in Lobby Day and testifying in committee hearings at the State Legislature on Recycle Colorado bills.
  

Watch Caroline's Introduction Video!