Leadership Roster

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

Green Friday speaker series

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)

Vice Chair
Scott Webb (elected to 2024/2025 term)

Treasurer
Nicola White

Secretary
Scott Webb
secretary@sfbaysc.org

Compliance Officer
Andy Katz

At-Large ExCom Members

Marisol Rubio (elected to 2023/2024 term)

Nick Pilch (elected to 2023/2024 term)

Matt Morrison (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)

Group Representatives

Delta Group

Representative
Paul Seger

Alternate
Position Unfilled

Marin Group

Representative
Pam Meigs

Alternate
Jinesse Reynolds

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
Vinnie Bacon

Alternate
Glenn Kirby

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

Chair
Position Unfilled

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
Jinesse Reynolds

Members at large

Becky Evans
Norman La Force
Kim-Shree Maufas
Sandra Fewer
Kelly Akemi Groth
Martha Kreeger
Andy Katz

Group Representatives

Delta Group
Paul Seger

Delta Group Alternate
Mark Linde

Northern Alameda County
Nick Pilch

Northern Alameda County Alternate
Phyllis Orrick

Marin Group
Jinesse Reynolds

Marin Group Alternate
Sharon Farrell

Mount Diablo Group
Mark Van Landuyt

Mount Diablo Group Alternate
Beth Bittle

San Francisco Group
Peter Belden

San Francisco Group Alternate
Position Unfilled

Southern Alameda County Group
William Yragui

Southern Alameda County Alternate
Position Unfilled

Tri-Valley Group
Larry Gosselin

Tri-Valley Group Alternate
Linda Milanese

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
Matt Williams

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)

Siu Ling (appointed to 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. Find out more about the Marin Group here. 
marin@sfbaysc.org

Chair
Holli Thier (elected to 2023/2024 term)

Vice Chair
Position Unfilled

Treasurer
Chance Cutrano (elected to 2024/2025 term)

Secretary
Position Unfilled

Conservation Committee Chair
Barbara Bogard (elected to 2023/2024 term)

At-Large ExCom Members

Pam Meigs (elected to 2023/2024 term)

Laura Chariton (appointed to 2024 term)

Susan Hopp (appointed to 2024 term)

Shea Putnam (elected to 2024/2025 term)

Sam Penrose (elected to 2024/2025 term)

Sam Ruben (elected to 2024/2025 term)

Jennfer Silva (elected to 2024/2025 term)

Thomas Tunny (elected to 2024/2025 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 6:30 PM on the fourth Monday of every month, considering conservation actions, political endorsements, and recommendations to higher-level Club entities. Then at 7, 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
Melinda Howard-Herrarte (appointed to 2024 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
Position Unfilled

Treasurer
Carter Shoop (Non-Voting)

Political Co-Chairs
Andy Katz (elected to 2024/2025 term)
Nick Pilch (elected to 2023/2024 term)

At-Large ExCom Members

Terry Taplin (elected to 2024/2025 term)

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
Brian Reyes (elected to 2023/2024 term)

Treasurer
Brian Reyes

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)

Transportation Chair
Position Unfilled
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
Position Unfilled

Vice Chair
Matt Turner (elected to 2023/2024 term)

Treasurer
Carol Drake (Non-Voting)

Secretary
Vishruth Dinesh (Non-Voting)

Conservation Chair
Rishi Gurjar (Non-Voting)

At-Large ExCom Members

Martha Kreeger (elected to 2023/2024 term)

Glenn Kirby (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

skiing@sfbaysc.org

Chair/Treasurer
Brenda Giese

Webmaster
Kathy Kohberger

Backpacking 

backpacking@sfbaysc.org

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

cycling@sfbaysc.org

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

hiking@sfbaysc.org

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

sierracouples@sfbaysc.org

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 

snowcamping@sfbaysc.org
Chair
Sanjay Reddy

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
Becky Evans
becky@sfbaysc.org

Chapter Alternate
Marisol Rubio
marisol@sfbaysc.org