The CalHSTA Board

David Rabinovich
President

David Rabinovich is a youth transit advocate, currently a sophomore at San Mateo High School where he is the transit club president and founder. Before becoming president of CalHSTA, he was a co-founder and served as vice-president. He is a member of the SamTrans CAC, representing youth riders, and was part of the campaign to fix the San Mateo Station northbound elevator, improving accessibility for all transit riders.

Ben Mangiafico
Vice President

Ben Mangiafico is an avid public transit rider, cyclist, and alternative transportation advocate. He is the founder and president of the Carlmont High School transportation club in Belmont and a member of the SamTrans Citizens Advisory Committee. On the side, he enjoys playing jazz trumpet, technical theater, and going on long walks.

Enzo Wu
Secretary

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Harvy Chang
Board Member At-Large

Harvy Chang is a transit advocate and rising senior at Lynbrook High School, where he is the founder and president of the transit club. He often takes and promotes transit to his friends and family, introducing transit to over 50 students at school and also helps his dad learn to commute to work for free by bus. Harvy enjoys transit speedrunning - visiting all the stations in a transit system as fast as possible - attempting runs of BART, Muni Metro, WMATA, and LA Metro, among others. He also enjoys playing the trombone with the San Francisco Symphony Youth Orchestra.

Dane Culbreath
Board Member At-Large

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Samuel Sharp
Staff Advisor

Samuel is a lifelong transit rider, president emeritus of CalHSTA, and a first-year at UC San Diego. He is also a co-founder of BuildSD.org, and was responsible for coordinating and promoting the Let's Go with PRONTO campaign that distributed transit fare cards to thousands of students eligible for a region-wide free transit benefit.