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Oregon Sustainability Board Members

Board Members

Chair - Rex Burkholder, The Oxalis Group

Rex Burkholder is a biologist and former science teacher who has worked in the Northwest forests. He helped start the biking movement in Portland as a founder of the Bicycle Transportation Alliance. Rex also co-founded the Coalition for a Livable Future, uniting over 100 organizations in the Portland area. From 2000 to 2012, he served on the Metro Council, leading efforts to improve transportation and include climate change in government decisions. He has served on many boards, including Rail~volution and the Association of Metropolitan Planning Organizations. Rex’s book, The Activist’s Toolkit (2017), has helped many become better community leaders.

Rex lives in Portland, rides his bike everywhere, and grows native plants in his garden. He also works with nonprofits and candidates on strategy and messaging through The Oxalis Group.


Johanna Anderson, US Environmental Protection Agency

Johanna Anderson has over 15 years of experience in sustainability, focusing on using large organizations’ buying power to support the environment. She works for the US Environmental Protection Agency, helping reduce the environmental impacts of government purchases. She has also worked for the Sustainable Purchasing Leadership Council and led Minnesota’s Sustainable Procurement Program.

Now living in Portland, Johanna enjoys hiking, camping, and soccer with her family and dog.


Webly Bowles, New Buildings Institute

Webly Bowles is an Oregon architect with over 20 years of experience. She focuses on reducing carbon emissions in buildings and has worked on projects like energy policy and carbon research. Webly also helps cities meet greenhouse gas reduction goals and advises on sustainable building strategies.


Taneea Browning, Councilor, City of Central Point

Taneea Browning, a lifetime Oregonian, co-founded CraterWorks MakerSpace and leads the nonprofit Direct Involvement Recreation Teaching (DIRT). She has served as an elected official for nearly 10 years and held leadership roles in the League of Oregon Cities and Western Municipal Association. Taneea focuses on using creativity and problem-solving to improve communities in Southern Oregon.


Serena Dietrich, Oregon Outdoor Alliance

Serena Dietrich has 15 years of experience in sustainability and project management. She works as the Operations Director for the Oregon Outdoor Alliance, supporting Oregon’s outdoor industry through events, advocacy, and community building.


Cheyenne Holliday, Advocacy Manager at Verde

Cheyenne Holliday grew up on a small farm near Portland. She works at Verde, focusing on policies that support economic, environmental, and racial justice. Cheyenne co-authored the Oregon Water Futures Report and in her free time she coaches youth cheerleading.


Tom Kelly, Neil Kelly Company, retired

Tom Kelly retired as President of Neil Kelly Company in 2022. Under his leadership, the company became known for sustainability, earning LEED certifications and B-Corp status. Tom has served on many boards and led initiatives for climate action, affordable housing, and community support.


Joshua Proudfoot, Parametrix

Josh Proudfoot co-founded Good Company, a firm focused on climate and sustainability consulting. Now part of Parametrix, Josh helps governments and businesses address climate challenges worldwide. He has worked on sustainable solutions for over 20 years and is a proud father of two.


Elin Shepard, CLEAResult

Elin Shepard has over 10 years of experience helping customers save energy through utility programs. She provides outreach and education for CLEAResult to design and development professionals. She works on projects that guide building owners and designers toward high performance buildings and guides them through the path to net-zero. 


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