Todd David Todd David, Executive Director
Policy, Political Strategy and Media Inquiries

Todd has been SFHAC’s Executive Director since November 2016. He has been active in San Francisco politics throughout his professional career. Prior to joining SFHAC, Todd was the Political Director for Scott Wiener’s successful State Senate campaign. He’s a public school parent and founding member of the San Francisco Parent PAC. He also served as the Campaign Manager for the 2016 Recreation and Park funding measure as well as the 2014 Soda Tax. Todd is also an active community advocate, serving as the President of Residents For Noe Valley Town Square as well as Friends of Noe Valley.

Corey SmithCorey Smith, Community Organizer

Outreach, Organizing and Campaigns

Corey joined the SF Housing Action Coalition as their newest community organizer in January 2016 after spending two years as a data analyst and NBA scout in Hawaii. An East Bay native, he’s an avid Bay Area sports fan and political junkie. Corey holds an MBA from Hawai’i Pacific University and a BS in Economics from the University of Oregon.

Nico Nagle, Development Associate
Membership, Fundraising, Communications, Project Review and Tours

Nico joined the SF Housing Action Coalition in September 2017 after graduating from Trinity College (CT) with a BA in Public Policy and a minor in Urban Studies. After graduation, he decided to leave his snow boots behind and be part of the solution to the Bay Area’s housing shortage.

Tim_Colen_2016Tim Colen, Senior Advisor

Tim served as SFHAC’s Executive Director from August 2005 to November 2016. Before joining the SFHAC, he worked for 25 years as a geologist and was active on the City’s west side with neighborhood and environmental issues.  He was president of the Greater West Portal Neighborhood Association and was a founding member and chair of the Lake Merced Task Force. He graduated with a BS in Geology from UC Santa Cruz, MS in mining engineering from Columbia University, and certification in hazardous materials management from UC Berkeley. He lives with his family in the West Portal neighborhood.

Our Executive Committee

Staff and Executive Committee

Steve Aiello

Immediate Past Chair

Steven, an architect at Page & Turnbull, joined the Board in 2007. Steven became active in the SFHAC in 2005 and remains a volunteer for and member ofGreenbelt Alliance, the Bay Area's leading voice for open spaces and vibrant places, and the SFHAC’s fiscal sponsor. Steven received his B.A. in architecture from UC Berkeley and has been continuously creating in the fields of design and construction ever since.

Steve Atkinson

Ballot Analysis Committee Chair

Steve has been a member of the board since 2010, serving as Treasurer. He is Counsel at Arent Fox and has practiced land use and CEQA law in San Francisco for over 27 years. During that time he has been responsible for entitling numerous residential and commercial projects in the City. His knowledge of San Francisco's entitlements and planning process provides valuable insights for advancing SFHAC's goals.

Xiomara Cisneros

Xiomara is the Community Outreach Manager for the Brisbane Baylands, Universal Paragon’s plan to transform a 684-acre blighted site into a vibrant, transit-oriented community and asset for the region. She supports the project’s overall entitlement efforts, including pre-construction branding, community relations and public affairs.  Prior, she has been involved in the commercial real estate industry in various roles, including Director of ULIsf. Xiomara has a BA in International Development Studies from UCLA and MBA from Mills College..

Caroline Chase

Caroline is a Partner in the real estate group at Coblentz Patch Duffy & Bass, specializing in assisting developers with obtaining the requisite approvals to develop real property, including environmental review under CEQA. Caroline also serves on SPUR's Housing Policy Board and their Land Use Planning and Rebuilding Task Force, and is an active member of ULI, as well as an accredited LEED® Green Associate. Caroline's unique background in the public and private sectors of urban planning and expertise in commercial and residential real property legal matters provides valuable insight in achieving SFHAC's goals.

Kim-Mai Cutler

Kim is a Partner at Initialized Capital, a venture capital firm. Prior, she was a technology journalist at TechCrunch, where she focused on the intersection of tech, public policy, Bay Area culture and housing. One of her most notable writings includes "How Burrowing Owls Lead to Vomiting Anarchists (Or SF's Housing Crisis Explained)." Kim has also worked for Bloomberg, VentureBeat, and the Wall Street Journal. She has a BA in Political Science from University of California, Berkeley.

Joe Kirchofer

Regulatory Committee Chair

As a Senior Development Director at AvalonBay Communities, Joe develops complex new multifamily and mixed-use communities in San Francisco and around the Bay Area. Prior to joining AvalonBay, Joe spent 7.5 years developing high-quality affordable housing at one of California’s top nonprofit developers, MidPen Housing. He was elected to the SFHAC Executive Committee in 2015, and is also a member of the SPUR Housing Policy Committee. Joe is a graduate of Stanford University with a BA in Urban Studies.

Divali Magnus
Divali Magnus, Director of Housing Development and Anti-Displacement Policy, at Young Community Developers (YCD) joined the SFHAC Executive Committee in 2017. Mrs. Magnus is responsible for leading YCD's real estate development projects and working collaboratively to develop and campaign for development and anti-displacement policy throughout San Francisco. Before joining YCD in 2016, Mrs. Magnus worked at the County of San Mateo Department of Housing as a Housing Specialist. Divali received her Master's of City and Regional Planning from UC Berkeley with a concentration in affordable housing and community development. Her background and experience provides a unique perspective and insight that pushes forward the growing work of SFHAC.
Margaret Miller

Margaret Miller joined the John Stewart Company in 2004 as a Project Manager and has been promoted over the past 11 years to now serve as JSCo’s Vice President for Development. Prior, she pursued several endeavors, some of which including working at Avalon Bay Communities, a real estate investment partnership in Idaho and a socially responsible venture capital fund in Boston, among others. Ms. Miller holds a Bachelor’s Degree in American History with a Minor in Economics from Bowdoin College, a Master’s Degree in Real Estate Development from Columbia University in New York and was a fellow at the University of Pennsylvania Center for Urban Redevelopment Excellence.

Sam Moss

Sam Moss is the Executive Director of Mission Housing Development Corporation. He started with Mission Housing as an Asset Manager in 2011 and since taking over as ED in 2013, he's grown the non-profit from eight to 25 employees. As of this writing, Sam will have led the construction of 344 new, 100 percent subsidized affordable homes by 2019. Originally from Fresno, Sam has been involved in various aspects of the real estate industry since graduating in 2004 from Bucknell University. After meeting his lovely wife Ali while living in Baltimore, they moved to San Francisco in 2008. Sam and Ali enjoy watching live music and going to Giants games.


Joe Olla

Executive Committee Chair

Joe has been a member of the Board since 2009, and serves as the Chair of the Board. He is Vice President, Business Development & Marketing forNibbi Brothers General Contractors in San Francisco and has 20 years of experience in the architectural /engineering /construction industry. His knowledge of mixed-use and multi-family urban infill projects in the greater San Francisco Bay Area informs his insight into our work.

Meredyth Skemp

Meredyth joined the SFHAC Board in 2013. She's an Assistant Construction Manager at Maximus Real Estate Partners. Prior, she worked at Project Frog, Habitat for Humanity Greater San Francisco and BRIDGE Housing. She's worked on several affordable developments including The Coronet and Armstrong Place. Prior to working at BRIDGE, Meredyth worked as Program Manager at the San Francisco Housing Action Coalition, and in the Fund Development office at San Francisco Day School. Meredyth holds a BA in Architecture from the University of Minnesota – Twin Cities and is a graduate of the Coro Fellows Program in Public Affairs.

Lydia Tan

Lydia is the Senior Vice President at Bentall Kennedy, with more than 30 years experience in the real estate and building industry. Prior to joining Bentall Kennedy in 2014, she was Executive Vice President at Related California. Before that, she was Executive Vice President at BRIDGE Housing Corporation, where she oversaw real estate development and finance operations that resulted in the addition of 7,900 homes and $2.4 billion to BRIDGE’s asset base over a 13 year period. She holds a Masters of Business Administration from Stanford University, and a BA Architecture from the University of California at Berkeley. She also sits on the Board of SPUR where she co-chairs the Housing Policy Committee and SPUR San Jose’s Policy Committee.

Eric Tao

Eric Tao is president and CEO of AGI (Avant Group, Inc.), a multifamily development company focused on urban infill, transit-oriented, high-density housing in the San Francisco Bay Area. He is also on the board of SPUR, ULI San Francisco and the Hawaii Chamber of Commerce of Northern California.

Michael Theriault


Michael was elected to the Executive Committee in 2010. He is a native San Franciscan and Executive Secretary-Treasurer of the San Francisco Building and Construction Trades Council. Mike has been a full-time organizer of Local 377 since 1999, where he has since doubled the membership. He has been a member of the Ironworkers Union since 1985. Mike has been an active participant in Business Agents meetings and supporter of union rights.

Andy Thornley

Andy Thornley is a practitioner with the SF Municipal Transportation Agency, currently leading the SFMTA’s on-street car share pilot project, placing hundreds of shared vehicles in curb parking spaces across the city. Andy was part of the SFMTA’s SFpark program, an award-winning federally-funded pilot rationalizing the way San Francisco manages parking through innovative technology and policy. Prior to that he spent seven years on the staff of the San Francisco Bicycle Coalition in the roles of Program Director and Policy Director, during which time he also served as president of the board of directors of TransForm. Andy lives in San Francisco's Outer Richmond District.

Anne Torney

Executive Committee Vice Chair and Project Review Committee Chair

Anne joined the SFHAC Board in 2013, is a Partner at Mithun Solomon. She’s made transit-oriented urban infill and affordable multi-family housing the focus of her work for over 20 years. Prior to joining Mithun Solomon, Anne was a Principal at Daniel Solomon Design Partners, where she led award winning projects in San Francisco, San Jose, Los Angeles, and Seattle. Anne earned a BA in Architecture from Princeton University and studied for her Masters degree in Architecture and City Planning at UC Berkeley.

Tim Vrabel


Tim was elected to the Executive Committee in 2014. He is a Principal and the Chief Financial Officer at Emerald Fund where he has spent the last 7 years developing urban infill housing and mixed-use projects in San Francisco. Prior to joining the Emerald team, he worked in corporate finance at Johnson & Johnson. Tim received a BS in Finance & International Business from Penn State University, and is also a Certified Management Accountant and Certified Financial Manager.