Chapter Office
For current information about upcoming group activities and meetings, see the Chapter calendar.
If you're not sure who to get in touch with, contact the Chapter office and we'll assist you:
PO Box 2663, Berkeley, CA 94702
510.848.0800
info@sfbaysc.org
Chapter Committees
Chapter-wide Committees
Executive Committee
Conservation Issue Committees
Political Committee
Other Standing Committees
Regional Groups
Delta Group
Marin Group
Mount Diablo Group
Northern Alameda County Group
San Francisco Group
Southern Alameda County Group
Tri-Valley Group
West Contra Costa County
Educational Programs
Activities
Activities Committee
Activities Sections
Chapter Leaders at California state level
California Conservation Committee
Sierra Club California
Council of Club Leaders
Executive Committee
The governing body for the entire Chapter, the Executive Committee meets the second Monday of each month. Contact the chair for information on how to join. Nine members are elected through annual elections by Chapter members (five to be elected in odd-numbered years and four in even-numbered years), plus one representative from each Chapter group selected annually. No at-large member may serve as a voting member of the ExCom for more than six consecutive years.
excom@sfbaysc.org
Officers
Chair
Martha Kreeger (appointed to 2024 term)
chair@sfbaysc.org
Vice Chair
Scott Webb (elected to 2024/2025 term)
vicechair@sfbaysc.org
Treasurer/Compliance Officer
Matt Morrison (elected to 2023/2024 term)
treasurer@sfbaysc.org
compliance@sfbaysc.org
Secretary
Roman Alcocer
secretary@sfbaysc.org
At-Large ExCom Members
Marisol Rubio (elected to 2023/2024 term)
Nick Pilch (elected to 2023/2024 term)
Chance Cutrano (elected to 2024/2025 term)
John Bauters (elected to 2024/2025 term)
Brian Quan (elected to 2024/2025 term)
Chava Kronenberg Bear (elected to 2024/2025 term)
Sara Barz (appointed to 2024 term)
Group Representatives
Delta Group
Representative
Paul Seger
Alternate
Jovita Mendoza
Marin Group
Representative
Sam Penrose
Alternate
Thomas Tunny
Mount Diablo Group
Representative
Mark Van Landuyt
Alternate
John Chatowski
Northern Alameda County Group
Representative
Ross Bernet
Alternates
Phyllis Orrick
Andy Katz
San Francisco Group
Representative
Jeff Trull
Alternate
Garen Checkley
Southern Alameda County Group
Representative
Martha Kreeger
Alternates
Glenn Kirby/Vinnie Bacon
Tri-Valley Group
Representative
Donna Cabanne
Alternate
Carol Silva
West Contra Costa County Group
Representative
Norman La Force
Alternate
Position Unfilled
Chapter Conservation/Issues Committees
These committees help formulate Chapter policies and organize Club efforts in their issue areas. Some of our regional groups have parallel committees for more local concerns.
East Bay Public Lands
Meets second Wednesday of each month at 7:30 PM online. Read about our work on parks and open space here and find the latest blog posts on this issue here.
ebpl@sfbaysc.org
Chair
Norman La Force
Vice Chair
Irene Dieter
Secretary
William Yragui
Energy and Climate Change
Meets the third Thursday of the month at 7 PM online. Confirm meeting dates in advance with chair. Read about our work fighting dirty energy and advocating for clean energy.
energy@sfbaysc.org
Co-Chairs
Larry Gosselin
Rebecca Franke
Climate Literacy Sub-Committee
Sarah Ranney
ca4climateliteracy@gmail.com
Federal Parks Committee
This committee is concerned with planning and other issues in our region's national parks. Read about our work on wilderness and wildlife here and find our latest blog posts on the issue here.
fedparks@sfbaysc.org
Chair
Alan Carlton
Transportation and Compact Growth
Meets the third Tuesday of month at noon online. Read about our work on Transportation and Compact Growth here, and find the latest blog posts on this issue here.
transportation@sfbaysc.org
Chair
Matt Williams
Water
Meets the second Thursday of each month, 7 to 9 PM online. Read about our work on water here and find our latest blog posts on the issue here.
water@sfbaysc.org
Co-chairs
Frank Egger
Heinrich Albert
Zero Waste
Meetings the first or second Tuesday of odd-numbered months, 7 - 9 PM online. Contact chair for specifics. Read about our Zero Waste work here, and find the latest updates on our blog.
zerowaste@sfbaysc.org
Chair
Alfred Twu
Food & Agriculture Committee
Concentrates on policies/initiatives concerning sustainable food for all, local & sustainable farm practices, and reducing food waste.
food@sfbaysc.org
Chair
Nilang Gor
Co-Chair
Crystal Heath
Political Committee
Helps to make Club endorsements in local elections and to coordinate local efforts to elect candidates with strong environmental credentials.
politics@sfbaysc.org
Chair
John Rizzo
Secretary
Norman La Force
Vice Chairs
Alameda County Vice Chair
William Yragui
Contra Costa County Vice Chair
Norman La Force
Marin County Vice Chair
Position Unfilled
Members at large
Becky Evans
Norman La Force
Kim-Shree Maufas
Sandra Fewer
Kelly Akemi Groth
Martha Kreeger
Andy Katz
Group Representatives
Delta Group
Patt Moore
Delta Group Alternate
Joe Kovalick
Northern Alameda County
Nick Pilch
Northern Alameda County Alternate
Phyllis Orrick
Marin Group
Sam Ruben
Marin Group Alternate
Jenny Silva
Mount Diablo Group
Mark Van Landuyt
Mount Diablo Group Alternate
Beth Bittle
San Francisco Group
Peter Belden
San Francisco Group Alternate
Chava Kronenberg Bear
Southern Alameda County Group
William Yragui
Southern Alameda County Alternate
Position Unfilled
Tri-Valley Group
Linda Milanese
Tri-Valley Group Alternate
Lynn Seppala
West Contra Costa Group
Nick Spinner
West Contra Costa Group Alternate
Arty Clinton
Special District Representatives
Water
Nancy Okada
Water Alternate
Heinrich Albert
East Bay Parks
Glenn Kirby
Transportation
Pat Piras
Standing Committees
These committees help the Executive Committee oversee specific areas of concern.
Chapter Management
Olga Bolotina
Finance Chair
Nicola White
Legal Advisory
Norman La Force
Other members:
Alan Carlton
Stuart Flashman
Chapter Nominations and Elections
Read more about the chapter nominations and elections process here.
elections@sfbaysc.org
Chair
William Yragui
Regional Groups
Each Sierra Club Chapter is divided into regional groups that address environmental issues within more local geographic areas. Each group is guided by an Executive Committee elected by members in annual elections. To find the next local meeting, check on our Events page.
Delta Group
The Group Executive Committee consists of 5 members. The Delta Group represents Eastern Contra Costa County. The ExCom meets at 5:00 PM on the second Friday of the month at various locations.
delta@sfbaysc.org
Chair/Treasurer
Paul Seger (elected to 2023/2024 term)
Vice Chair
Patt Young (appointed to 2024 term)
At-Large ExCom Members
Mark Linde (elected to 2023/2024 term)
Joe Kovalick (elected to 2023/2024 term)
Marin Group
The Group Executive Committee consists of 11 members. The ExCom meets on the second Thursday of the month, every other month, at 7 PM. The Conservation Committee meets before the ExCom meeting at 6 PM.
marin@sfbaysc.org
Chair
Shea Putnam (elected to 2024/2025 term)
Vice Chair
Pam Meigs (elected to 2023/2024 term)
Treasurer
Chance Cutrano (elected to 2024/2025 term)
Secretary
Sam Penrose (elected to 2024/2025 term)
Conservation Committee Chair
Position Unfilled
At-Large ExCom Members
Holli Thier (elected to 2023/2024 term)
Sam Ruben (elected to 2024/2025 term)
Jennfer Silva (elected to 2024/2025 term)
Thomas Tunny (elected to 2024/2025 term)
Bryan Shiles (appointed to 2024 term)
Nathaniel McKitterick (appointed to 2024 term)
Mount Diablo Group
Central Contra Costa County
The Group Executive Committee consists of 7 members. The ExCom meets on the first Monday of every month at 6:00 PM online.
mtdiablo@sfbaysc.org
Chair and and Contra Costa Green New Deal Committee Chair/Interim Secretary
Mark Van Landuyt (elected to 2024/2025 term)
Vice Chair and Contra Costa Green New Deal Committee Vice-Chair
Wietske Medema (elected to 2023/2024 term)
Treasurer
Beth Bittle (elected to 2024/2025 term)
ExCom and Labor Committee Chair
Jonathan Bash (elected to 2023/2024 term)
At-Large ExCom Members
John Chatowski (elected to 2023/2024 term)
Rebecca Barrett (elected to 2023/2024 term)
Northern Alameda County Group
The Group Executive Committee consists of 9 members. NAC's ExCom meets online at 7:30 PM on the fourth Monday of every month, considering conservation actions, political endorsements, and recommendations to higher-level Club entities. Before that at 6:30 PM, the Conservation Committee meets to discuss environmental issues of concern leading to official letters, suggestions for policy and positions, and meeting with local elected officials and staff. All are welcome!
nac@sfbaysc.org
Chair
Max Davis (elected to 2024/2025 term)
Vice Chair
Terry Taplin (elected to 2024/2025 term)
Conservation Committee Co-Chairs
Nick Pilch (elected to 2023/2024 term)
Ross Bernet (elected to 2024/2025 term)
Conservation Committee Vice Chair
Ana Vasudeo (elected to 2023/2024 term)
Secretary
Donald Lathbury (elected to 2023/2024 term)
Treasurer
Carter Shoop (Non-Voting)
At-Large ExCom Members
Phyllis Orrick (elected to 2024/2025 term)
Noelani Fixler (appointed to 2024 term)
Political Co-Chairs
Andy Katz (elected to 2024/2025 term)
Nick Pilch
Transportation Committee Chair
Terry Taplin
Transportation Committee Vice Chair
Warren Wells
Transportation Committee Secretary
Marc Hedlund
Housing Committee Chair
Sarah Bell
Housing Committee Vice-Chair
Alex Contreras
San Francisco Group
The Group Executive Committee consists of 9 members. The Group Conservation Committee meets online on the third Tuesday of each month, from 7 to 8 PM. The ExCom meets after it from 8 to 9 PM.
sfgroup@sfbaysc.org
Chair
Charles Whitfield (elected to 2023/2024 term)
Vice Chair/Treasurer
Brian Reyes (elected to 2023/2024 term)
Secretary
Howard Strassner (elected to 2024/2025 term)
Political Chair
Peter Belden
sfpolitics@sfbaysc.org
At-Large ExCom Members
Kim-Shree Maufas (elected to 2023/2024 term)
Kieran Farr (elected to 2023/2024 term)
Jeff Trull (elected to 2024/2025 term)
Sarah Boudreau (elected to 2024/2025 term)
Garen Checkley (elected to 2024/2025 term)
Joanna Gubman (Appointed to 2024/2025 term)
Transportation Co-Chairs
Jayshawn Anderson
Mark Shahinian
sftransportation@sfbaysc.org
Conservation Chair
John Rizzo
sfconservation@sfbaysc.org
Housing Chair
Dan Federman
sfhousing@sfbaysc.org
Southern Alameda County
The Group Executive Committee consists of 5 members. They meet the fourth Wednesday of each month at 7 PM on Zoom.
sac@sfbaysc.org
Chair
Glenn Kirby (elected to 2023/2024 term)
Vice Chair
Matt Turner (elected to 2023/2024 term)
Treasurer
Carol Drake (Non-Voting)
Secretary
Vishruth Dinesh (Non-Voting)
Conservation Chair
Position Unfilled
At-Large ExCom Members
Martha Kreeger (elected to 2023/2024 term)
Kelly Abreu (elected to 2024/2025 term)
Vinny Bacon (elected to 2024/2025 term)
Tri-Valley Group
The Group Executive Committee consists of 6 members. Serving Dublin, Livermore, Pleasanton, Sunol, and unincorporated eastern Alameda County, the Tri-Valley Group meets the second Wednesday of each month at 7:30 PM on Zoom.
trivalley@sfbaysc.org
Chair
Carol Silva (elected to 2023/2024 term)
Vice Chair
Erik Sommargren (elected to 2024/2025 term)
Secretary
Linda Milanese (elected to 2023/2024 term)
Treasurer
Donna Cabanne (elected to 2024/2025 term)
At-Large ExCom Members
Steven Dunbar (elected to 2023/2024 term)
Lynn Seppala (elected to 2024/2025 term)
West Contra Costa County
The Group Executive Committee consists of 7 members. It meets on the first Saturday of the month at 9 AM online. Contact group leaders to confirm meeting dates.
westcoco@sfbaysc.org
Chair
Norman La Force (elected to 2024/2025 term)
Vice Chair
Cesar Zepeda (appointed to 2024/2025 term)
Secretary
Arty Clinton (appointed to 2023/2024 term)
Treasurer
Lisa Park (elected to 2024/2025 term)
At-Large ExCom Members
Hari Lamba (elected to 2023/2024 term)
Jamin Pursell (appointed to 2023/2024 term)
Nick Spinner (appointed to 2023/2024 term)
Activities Sections
Find the Chapter calendar of outings on our Events page.
Activities Committee
Provides oversight for the Chapter's diverse outings programs.
activities@sfbaysc.org
Chair
William Yragui
Vice Chair
Bob Solotar
Secretary/Ombudsman
Sanjay Reddy
Backcountry Skiing
Chair/Treasurer
Brenda Giese
Webmaster
Kathy Kohberger
Backpacking
Chair
Roger Williams
Leader& Backpacker Training
Thomas Meissner
Treasurer/Secretary
Sanjay Reddy
Database Coordinator/Social Media Lead
JP Torres
Trip Approver
Debbie Barack
New Leader Coordinator
Danielle Henkel
Cycling
Chair/Treasurer
Glenn Kirby
Outings Coordinator
Kent Lewandowski
Secretary
William Yragui
Rainbow Sierrans
Chair
Beth Bittle
chair at rainbowsierrans.org
Co-Chair
Julie Sigoloff
cochair at rainbowsierrans.org
Secretary
Susan Smith
secretary at rainbowsierrans.org
Outings Chair
Ann Lehr
outings at rainbowsierrans.org
Treasurer
Shannon Watson-Loughney
treasurer at rainbowsierrans.org
Newsletter
Kristen Alves
newsletter at rainbowsierrans.org
Membership
Kat Zumbach
membership at rainbowsierrans.org
Hiking
Chair/Outings Coordinator
Bob Solotar
Trails Issues Coordinator/Liaison
Nancy Okada
Inspiring Connections Outdoors (ICO)
Provides backpacking, day hikes, car-camping and river-rafting to segments of the Bay Area community that would not otherwise have the opportunity to experience Northern California's natural wonders.
ICO Backpacking
Chair
Linda DeYoung
chair at sfbayico.org
Equipment Manager
Jeff Adams
equipment at sfbayico.org
Volunteer Coordinator
Rucker Alex
volunteer at sfbayico.org
Treasurer/Webmaster
Susan Osofsky
treasurer at sfbayico.org
Partner Liaison
Michael Fisher
icosf.agencies at gmail.com
ICO Rafting
Chair
Kevin Jordan
chairs at icorafting.org
Recruiting Coordinator
Erica Petrofsky
erica at icorafting.org
Sierra Couples
Membership
Frank Alexander
Treasurer
Roy French
Sierra Singles
Age range: 35 - 65
The group holds three meetings per year on the first Tuesday of each of the following months: April, August, and December.
sierrasingles@sfbaysc.org
Chair
Position Unfilled
Vice Chair
Position Unfilled
Information/Treasurer
Albert Chiu
Secretary
Robin Miles
Members at Large
Julia Cordell
Seth Feinberg
Snowcamping
Chair
Tim Surber
Treasurer
Hadrian Klinkner
Solo Sierrans
Most participants over 65.
solosierrans@sfbaysc.org
Chair
Elyse Dukatz
Treasurer
Doris Wolf
Information/Membership Chair
Dolores Gruenewald
California Conservation Committee
Sets Club conservation policy for statewide concerns and matters that cross chapter boundaries. Each chapter appoints two delegates, and several of the committee's officers come from the Bay Chapter as well. Learn more about the CNRCC and see a full list of delegates on their website.
Sierra Club California
Addresses conservation policy statewide. Learn about Sierra Club California on their website, www.sierraclub.org/california, and see a full list of leaders.
Council of Club Leaders
The Council of Club Leaders, also known as the Sierra Club Council, consists of representatives from each chapter as well as from other Club entities. It advises the Club Board of Directors on internal Club matters.
Chapter Representative
Nick Pilch
Chapter Alternate
Matt Morrison