Faculty & Staff Directory

School
Department
Mary Glassanos
Gateway Middle School
Library Coordinator
Biography

Mary is happy to be returning as library coordinator for Gateway Middle School. She earned a B.F.A. in photography from the San Francisco Art Institute where she also worked in the Institute library. Her resume includes feature film location manager, props maker, creative director, construction worker, and decorative painter. In addition to boy wrangling full time, Mary has spent the past two decades spearheading successful parent driven fundraising initiatives at both independent and public schools. When not consumed by books and literacy she enjoys family and friends, live performance, watching films, and making a variety of things, few of which turn out exactly as planned.

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Greg Grossman
Gateway High School
Humanities Teacher
Biography

Greg Grossman teaches civics and Humanities 11. He earned his Bachelor of Arts in Political Economy from UC Berkeley and his Juris Doctor from the UCLA School of Law. Prior to coming to Gateway, Greg worked for the U.S. Department of Justice in Washington, D.C., and practiced law at Morrison and Foerster LLP in San Francisco. When not focused on teaching and coaching, Greg can be found chasing his small children or at Memorial Stadium in Berkeley watching the California Golden Bears football team try yet again to make the Rose Bowl.

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Chanda Guerin
Gateway Public Schools
Director of Development and Outreach
Biography

Chanda is the Director of Development and Outreach, and brings more than 10 years of nonprofit development experience to Gateway Public Schools. Prior to Gateway, Chanda served as the Development Director at Seven Tepees Youth Program where she led a rebrand of the organization, engaged corporate partnerships, and increased annual fundraising by 40 percent in three years. Chanda earned her B.A. in Mass Communications and Public Relations from Towson University, and M.S. in Holistic Health and Nutrition Education from Hawthorn University. She serves on the board of Bay Area Teachers Training Institute and the Ambassador Board of Seven Tepees. As the child of a military family, Chanda isn’t really from anywhere but claims Baltimore (pronounced Bawl-d-moor) as home. Chanda has lived in San Francisco since 2012; the longest stretch of living in the same place in her entire life. She is the founder #ladyboss, a professional women's meet-up group, dreams of cooking with Chef Yotam Ottelenghi, and loves a good spin class. 

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Paul Heasman
Gateway High School
Humanities and AP US History Teacher
Biography

Mr. Heasman teaches AP US History and 10th grade Humanities. He came to Gateway in the Spring of 2013 to teach 9th grade, and previously taught at public schools in Berkeley and Pacifica. He holds an undergraduate degree in Psychology & Communications Studies from London Guildhall University, and an M.A. in World History and a teaching credential from SF State. Mr. Heasman grew up in England but has been a resident of the City since 1997. He is a lifelong sufferer of Arsenal FC's tendency to always pass and never shoot, but in recent years his son has taught him the joys of suffering the Giants as well.

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Aimee Heckman
Gateway Middle School
Humanities and Learning Seminar Teacher
Biography

Aimee is originally from Chicago, IL. She moved to the east coast to attend the University of Connecticut. It was through UConn's Neag School of Education that Aimee obtained a dual bachelor's degree in History and Education and her Master of Arts in Secondary Social Studies Education. Prior to teaching at Gateway, Aimee taught at both public and magnet schools in Hartford, CT. Beyond teaching, Aimee loves to play tennis, attend concerts, and travel.

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Shira Helft
Gateway High School
Math Teacher
Biography

Shira teaches Algebra 2 and is the head of the Math Department at Gateway High School. Before living in San Francisco, she taught in Sunnyvale. Her true home is on the East Coast, where she grew up and earned her BA in Math and Philosophy from Yale University. Shira loves puzzles and puzzling things, great home-cooked meals and belting out Broadway showtunes at the top of her lungs. She also enjoys cooking and eating with friends as well as thinking about how other people think about challenging math problems.

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Suzanne Herko
Gateway Middle School
Humanities and Learning Seminar Teacher
Biography

Suzanne first came to Gateway in 1999, teaching humanities at the high school and most recently helping to design and start the middle school. Prior to Gateway, she taught at the Liceo Internacional in Quito, Ecuador as well as public middle schools in New York City, New York. She earned her bachelor's degree in history, concentrating in women's history, at Stanford University and her Master of Arts in Teaching Social Studies at Teachers College, Columbia University. When not working on behalf of her students, Suzanne enjoys exploring the world with her husband and two children.

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Chris Hero
Gateway Public Schools
Chief Financial Officer
Biography

Chris is the Chief Financial Officer at Gateway Public Schools. He has over 10 years of senior management experience for corporations and non-profit organizations in Silicon Valley and San Francisco. Previously Chris served as Chief Operating Officer for Stanford Schools Corporation. Chris received a BA in History from Santa Clara University and an MBA from Boston University’s Graduate School of Management. When not working, Chris travels as much as possible, preferably to places on paths less traveled. Having played for his college team, Chris is also an avid tennis player.

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Melissa Higgins
Gateway Middle School
Resource Specialist
Biography

Melissa is a native Southern Californian and graduated from UCSD (BS) and SFSU (MA). Prior to Gateway, Melissa was an Education Specialist and SDC teacher in Oakland, CA. She loves data-driven instruction as well as teaching students how to become informed advocates. Outside of Gateway, she volunteers in youth-related non-profits and spends time outdoors. She also loves to knit, travel, and cook in her free time.

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