Bryan Shiles, Executive Committee Member

Chance Cutrano, Executive Committee Treasurer 
A Chicago native, Chance studied philosophy and political science at Saint Xavier University where he analyzed wildlife policy in the Greater Yellowstone Ecosystem. Chance brings experience in grassroots organizing and energy policy analysis from his time with the Sierra Club's Beyond Coal Campaign. Prior to his time at RRI, Chance was researching food, water, and energy management policy in Vietnam, Morocco, and Bolivia. Chance lives in Marin, works on public lands advocacy and agroecology issues, and studies Sustainable Management at Presidio Graduate School.

Holli Thier, Executive Committee Member

Pamela Ruby Meigs, Executive Committee Member
A Registered Nurse with a Master's in Community Health, Pamelas’ caregiving includes our fragile Earth, which has been deep in her veins since childhood. She believes strongly that all living beings need now more than ever to be protected and cared for.  Her energy,  knowledge, and teaching are committed to healing and promoting a better world.  She is a Berkeley native, a long-term Fairfax resident, and a Sierra Club member since 2000. She has traveled abroad on many remote outdoor adventures' including places of disadvantaged communities and World Heritage sites. Pamelas' present and past activities are: Ross Valley Sanitary District, North Bay Watershed Association, Fairfax Corona Virus Task Force, Cascade Canyon Fairfax Firewise, former Chair -Fairfax Planning Commissioner, founder of the Fairfax Open Space Committee, former Fairfax General Plan Committee, past Fairfax Tree Ordinance Committee, and supported Measure D. She believes the Sierra Club is a strong organization to repair, care, and amend the ongoing damage of our fragile Earth.  She is concerned about losing open space, wildfire, climate change, excessive use of plastics, endangered species, pesticides, and sea-level rise.” Her vision includes more SC volunteers, expanding SC education programs, and protect as well as acquire more open space.  It is vital that Marin County keep our beautiful green vast hills, with many acres of open space,  to share this beauty with others in perpetuity. From her years of activism, Pamela feels honored to continue to care and focus her experience, knowledge, and leadership for the Marin Chapter of the Sierra Club on the Executive Committee. 

Jennifer Silva, Executive Committee Member

Jennifer is a retired entrepreneur and Ecommerce CEO. She ran Sheet Music Plus, a sheet music ecommerce site, for 10 years. She now spends her energy advocating for sustainability, transit, affordable housing and funding for education. She is the Board Chair for the Marin Environmental Housing Collaborative, a non-profit that advocates for affordable, enviornmentally sustainable housing in Marin. She serves on the Sausalito Pedestrian and Bike Committee. She is also the Board Chair for Kids Cooking for Life and is on the board of Teaching Lab. She enjoys hiking, biking, and skiing, and serves as an Outings Leader for the Sierra Club. 

Nate McKitterick, Executive Committee Member 

Shea Putnam, Executive Committee Chair

Sam Penrose, Executive Committee Member

Sam moved to the Bay Area at age 13 as an experienced backpacker and canoe-camper. He will never forget his first night in the Sierra Nevada, gazing up at the Milky Way. These days he hikes in the Marin headlands every week. Fauna he's photographed include white tailed kites, bobcats, a tarantula hawk wasp, and rubber boas (who knew?). Sam has identified as an environmentalist since before he could vote and as a climate hawk since 2009. His local civic volunteering has included serving on school committees and canvassing for bonds to expand parks. He's on his third clean energy job. His team's first project is managing power for electric school buses across the Bay in Richmond in partnership with the California Energy Commission. He regularly speaks to college classes and career changers about finding impactful work abating climate change.

Sam Ruben, Executive Committee PolCom Representative

Originally from Ann Arbor, MI, but having been in the Bay Area almost 2 decades (including almost 10 years in Marin County), Sam Ruben is multi-time startup founder who brings a deep passion for sustainability (i.e. resilience & regeneration) and an innovation focus to everything he does. This passion is paired with a deep understanding of the public, civil society, and private sectors honed through professional experience and his learning as a graduate of the Presidio Graduate School with a Dual MBA/MPA in Sustainable Management to complement his BA in Political Science/Economics from Vassar College. Along with being a leader in the ClimateTech space as a Co-Founder of Mighty Buildings, HyWatts, and BuildTech.VC Sam is also a leader in development of Embodied Carbon Policy. This includes AB 2446 & AB 43 here in California (which passed in 2022 & 2023 respectively), as well as ongoing work with the World Economic Forum to develop model embodied carbon policies for cities around the globe. Other roles that he holds are as Board Chair of MarinCAN, a member of Build It Green's Housing System Innovators Network Steering Committee & Innovation Fund Selection Committee, and a former member of the Sausalito Sustainability Commission.

Thomas Tunny, Executive Committee Member