Faculty & Staff Directory

Emilia Sens (she/her/hers)
Gateway High School
Geometry and PreCalculus Teacher
Biography

Ms. Sens moved to the Bay Area in 2018 to earn her teaching degree after living in Rio de Janeiro, Brazil for 5 years. She grew up in the Washington, DC area and went to college at Georgetown University, where she studied Political Science and Portuguese and played on the Women’s Soccer Team. Outside of teaching, Ms. Sens loves running, playing soccer, hiking, surfing, and going to outdoor concerts. 

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Vladimir Serrato (he/él)
Gateway High School
Biography

Mr. Serrato is a first generation college graduate and holds a BA in Linguistics from UC Berkeley and an MA in Middle East Studies from the American University in Cairo, Egypt. Mr. Serrato has taught Spanish for six years in the Bay Area, before which he taught English in Egypt, Lebanon, Syria, and Saudi Arabia. He is passionate about travel and language, which he is eager to share with his students.

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Alix Spivack
Gateway High School
Environment Science Teacher
Biography

Alix Spivack teaches Environmental Science 9 at Gateway High School.  A graduate of Middlebury College with a B.A. in Environmental Studies and Economics, Alix completed two credentialing programs at UC Berkeley Extension while undertaking post-graduate studies in the biological sciences at UC San Diego.  Prior to the classroom, Alix served as an environmental consultant for 10 years followed by 7 years working in education including as Executive Director of an environmental education non-profit organization.  Alix is excited to be teaching 9th graders the wonders of the natural world… in the San Francisco Bay Area and beyond!  A San Francisco native, she enjoys sweep rowing on a coached team, open ocean kayaking, quality family time, and trail hikes with her dog.

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Jeff Sprague
Gateway High School
Humanities Teacher, Instructional Lead
Biography

Jeff Sprague teaches Humanities 11 and Civics at Gateway. He earned his BA in American Studies from Yale and an MA from the University of Texas at Austin. He also received his MA in Education from Stanford. Jeff has been teaching for eleven years and brings a passion for issues of social justice to his teaching of American literature, history and government. When he is not teaching, Jeff enjoys playing guitar and hanging out with his family.

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Adam Tadesse
Gateway Public Schools
GPS Technology Specialist and Impact Lab Coordinator
Tori Tatum (she/her/hers)
Gateway High School
9th Grade Paraprofessional
Biography

Tori is an East Bay native and first generation college graduate. She earned her BA in Sociology with a minor in Black Studies from UC Santa Barbara in Spring 2021 and aims to pursue a teaching credential down the line. Tori has a strong interest in social justice and education equity. In her free time, she loves traveling, baking, concerts, and binge watching true crime shows.
 

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Violet Trachtenberg
Gateway Middle School
7th Grade Humanities & Learning Seminar
Aaron Watson
Gateway Public Schools
Director of Schools and Partnerships
Biography

Aaron Watson is our Director of Partnerships. Aaron formerly served as GMS' principal and is proud to have worked with teachers, families, and students to found Gateway Middle School in 2011. Prior to becoming principal, Aaron led the advisory program and taught humanities at Gateway High School for seven years and worked in a wraparound social services program for children and families involved in foster care in Alameda County. He earned a BA from Brown University and an MA in Education from UC Berkeley. Aaron also earned an MA in Educational Leadership from UC Berkeley's Principal Leadership Institute. Outside of Gateway, Aaron enjoys getting outdoors, traveling, and spending time with his family.

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Rebecca Wieder
Gateway High School
Co-Principal
Biography

Rebecca works to develop a cohesive, equity-oriented approach to teaching and learning through her role as Co-Principal. Before coming to Gateway, Rebecca taught humanities at Oakland Technical High School and earned her M.Ed. from UC Berkeley's Multicultural Urban Secondary English (MUSE) Program. She received her BA from Brown University, majoring in American Studies and Latin American Studies. Outside the classroom, Rebecca can be found exploring San Francisco's wild places with her husband and two young children.

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