Skip links

Meet the Team

Walk SF’s work is powered by our passionate staff, Board of Directors, Advisory Council, volunteers, and members.

Learn more about our:

Become a member, explore volunteer opportunities, or check out job and internship opportunities.

Staff & Interns

Meet the Team

Aly Geller, Vision Zero Engagement Manager
pronouns: she/her

Aly guides and supports Walk SF’s SF Bay Area Families for Safe Streets group and Safe Routes to School team. She has a Masters in Public Health from UCLA and is a traffic safety enthusiast. She has partnered with schools, community groups, and law enforcement to provide distracted driving awareness programs, workshops and leadership training, and has collaborated with MADD and We Save Lives founder, Candace Lightner.

Prior to joining Walk SF, she led community engagement for a K-12 school. Aly moved to SF from LA in order to get out of the car, know her community, and walk! She loves to explore SF’s stairways and picnic in the park with her family.

Contact Aly via email or call at 415.234.0328.


Nick Giorgio, Campaign Associate
pronouns: he/him

Nick worked on the Slow Our Streets campaign and the campaign to save car-free JFK on the ballot in November. He is a recent graduate of San Francisco State University and is passionate about transportation equity.

Contact Nick via email.


Ebon Glenn, Community Outreach and Partnership Manager
pronouns: he/him

Ebon joined Walk SF in 2022 as Community Outreach and Partnership Manager. Ebon Sean Glenn has been a shepherd in the efforts to support the equity and inclusion of disadvantaged communities since 2012.

After eight years at the San Francisco International Airport as an operator and non-profit director advocating for more BIPOC merchant business ownership equity, he decided to focus his efforts on San Francisco neighborhoods. As Operations Director of the African American Arts and Cultural District, he spearheaded efforts to beautify neighborhoods and provide resources to community organizations in the Bayview-Hunters Point. Ebon enjoys walks and bike rides through Golden Gate Park with his wife, Dr. Kelly Glenn, and son Sean.

Contact Ebon via email.


Brian Haagsman, Advocacy & Policy Manager
pronouns: he/his

Brian focuses on pushing the City to make the comprehensive, urgent changes needed on our streets to actually achieve Vision Zero, a goal to end all severe and fatal traffic crashes by 2024. As a member of the policy team, he identifies and pushes for bold action in a variety of ways while working with community-based partners, safe streets advocates, and our members. Brian joined Walk SF in 2016 in an outreach role, working on Walk SF’s annual events, volunteer, and membership programs.

Prior to Walk SF, he spent five years in fundraising at Stanford University. At Stanford’s Graduate School of Business, his responsibilities included executing reunion fundraising campaigns, organizing alumni volunteer engagement and development, and managing donor stewardship and communication. Previously, Brian held roles in marketing, communications, development, and social media at organizations including Edible Front Range Magazine and the University of Michigan, Ann Arbor. He holds a Bachelor of Arts in English Language and Literature from the University of Michigan, Ann Arbor.

Contact Brian via email or call at 415.234.0355.


Vernon Haney, Family & Schools Coordinator
pronouns: he/his

As a member of the San Francisco Safe Routes to School (SRTS) Partnership, Vernon will be focused on encouraging families and students to walk, bike, take transit, and carpool to San Francisco schools in the SoMa and Bayview neighborhoods.

Before joining Walk SF in June 2018, Vernon was an Environmental Education Associate at Department of the Environment, where he educated elementary, middle, and high school students about water conservation, pollution prevention, and zero waste. A native of Louisiana, Vernon has been an engaged member of the San Francisco community for the past 10 years and is happy to continue to be able to serve San Francisco communities and residents with his work at Walk SF.

Contact Vernon via email or call at 415.234.0574.

A woman with short hair and a beige sweater smiling in front of a colorful mural

Emily Huston, Communications Assistant
pronouns: she/her

Emily is responsible for making anything published by Walk SF look its very best. Her days involve creating and polishing content on the website, newsletter, social media, and any print media. She got involved in safe streets advocacy in 2018 documenting the movement to make JFK Drive car-free. Prior to Walk SF, she was co-owner and CFO of the worker-owned grocery Other Avenues.

Emily is most proud of her ongoing journalism, graphic design, and legal studies education from City College of San Francisco. Apart from walking, she considers learning to be the cheapest and most rewarding form of travel.

Contact Emily via email.


Guy Joaquin, Development & Events Assistant
pronouns: he/him

Guy manages Walk San Francisco’s membership and donors, as well as walking events. Prior to joining Walk San Francisco, Guy served as a project manager for a career transition and relocation assistance company.

Guy feels most at home when outside walking. He began his walking “career” 10 years ago by completing the 500-mile Camino de Santiago pilgrimage across northern Spain, but nowadays you’ll most likely find him on a local route accessible by public transportation. In fact, Guy is the author of BARTable Walks, a series of BART station-to-station walking tours that highlight fun and interesting spots along the way.

Contact Guy via email or call at 415.431.9255.


Marta Lindsey, Communications Director
pronouns: she/her

Marta oversees Walk San Francisco’s communications and is deeply involved in the organization’s policy work. Prior to joining Walk SF, Marta served as the communications director at TransForm, as well as the interim communications director at the San Francisco Bicycle Coalition. As a communications consultant, Marta worked with a range of nonprofits focused on transportation, land use, social justice, and sustainability.

Marta has lived in San Francisco for 17 years. She considers the fact that she and her family can walk almost everywhere she needs to go a key piece of her happiness. She’s obsessed with Golden Gate Park and is on JFK Promenade almost every day. She’s also the author of the children’s book Golden Gate Park, An A to Z Adventure.

Contact Marta via email or call at 415.234.0347.


Jodie Medeiros, Executive Director
pronouns: she/her

Jodie is responsible for leading Walk San Francisco’s strategic work. She has a long and successful history leading communications, fundraising, and advocacy at urban livability, active transportation, and poverty alleviation nonprofits.

Prior to joining Walk SF, Jodie was Deputy Director at the SF Housing Action Coalition, where her work was critical in passing Home SF, a policy to incentivize building more affordable and family-friendly housing in San Francisco. During her eight-year tenure as Development Director at the San Francisco Bicycle Coalition, she helped grow the organization from four to seventeen staff and collaborated on the Great Streets Project, which led to Sunday Streets and the now-thriving parklet program. Jodie earned a Bachelor of Arts in History from Clark University.

Contact Jodie via email or call at 415.234.0361.


Becca Motola-Barnes, Community Outreach & Partnership Manager
pronouns: she/her

Becca works with community and advocacy groups to win changes on our streets, including supporting the San Francisco Bay Area Families for Safe Streets group and the Vision Zero Coalition.

Becca got involved in the movement for safe streets as part of the campaign to win a permanent, car-free JFK Promenade, first as a volunteer and then as an organizer. She spent the previous decade in People Operations for startups, so she’s very happy to make this career change to focus on work she’s passionate about. She holds an undergraduate degree from MIT, and is currently pursuing a Master’s in Education in Adult Learning and Global Change through the University of British Columbia.

Becca bikes everywhere she can, always has a sewing or mending project going on the side, and bakes challah for Shabbat every Friday.

Contact Becca via email or call at (415) 234-0220.


Cambria Minott, Development & Events Manager
pronouns: she/her

Cambria manages annual fundraising events, fundraising campaigns, and membership programs for Walk SF.

Cambria grew up in Santa Cruz and lived in London for seven years before returning to San Francisco. Prior to working at Walk SF, Cambria worked as a communications consultant, ran her own marketing and events businesses, and worked as a marketing and events manager for several SF-based startups.

Cambria loves exploring the hills and parks of San Francisco and seeking out live music, art, and film events. In her free time, she organizes a non-profit event series supporting local musicians and artists.

Cambria holds a Bachelor of Arts in English Literature from Scripps College and a Master of Science in Communication from the London School of Economics.

Contact Cambria via email.


Janelle Phung, Chinese-Language Outreach Coordinator
pronouns: she/her

As part of Walk SF’s work with the San Francisco Safe Routes to School Partnership, Janelle works with schools and families especially in the Chinatown and Richmond neighborhood.

Janelle previously worked for the San Francisco Bicycle Coalition and SF Department of the Environment. Janelle speaks multiple languages including Cantonese, Mandarin, Fu Kien, Chao Zhou, and Vietnamese.

Contact Janelle via email or call at 415.234.0559.

Board of Directors


Zoee Astrachan

Treasurer of Walk SF’s Board of Directors
Founding Principal and CEO; Landscape Architect


Jina Bartholomew

Google LLC
Commercial Counsel


Lian Chikako Chang

Data Storyteller


Megan Gee

Secretary of Walk SF’s Board of Directors
Senior Planner


Christian Martin

SOMA West Community Benefit District
Executive Director


Ashley Rhodes

Adobe, Inc.
Manager, Employee Impact


Charles Rubinoff

SF Travel Association
Design Director


Karen Rhodes

President of Walk SF’s Board of Directors
University of California
Communications & Fundraising Executive (retired)


Sergio Ruiz

Caltrans District 4
Complete Streets Coordinator


Traci Siegel

Senior Vice President & Managing Director


Amy Wilson Morris

Land and Water Connections Consulting

Advisory Council

Sophie Maxwell Former San Francisco District 10 Supervisor, 2000-2011
Margie O’Driscoll Former Executive Director, American Institute of Architects, San Francisco
Bonnie Nelson Founding Principal, Nelson\Nygaard Consulting