Team and Partners

AnnAnn Lefkovits

Ann Lefkovits is excited to be co-Producing TEDxYouth@EB this year. Since her son Marcus has been at EB, she has co-chaired the EB Auction fundraiser for three years, and the past three years is involved with the Annual Fund. She loves to get people involved and is excited and amazed at the our EB community. Ann brings her experience in trade shows, marketing, and building small companies from the ground up to the TEDxYouth@EB team. Today she imports beautiful textiles and clothing from India for her startup, and in her free hours, she teaches yoga to several companies in the Bay Area.

Eileen Loustau

Eileen is excited to bring her 25+ years of Fortune 500 marketing leadership, and local non-profit theatre experience, to her role on the TEDxYouth@EB team. In her professional life she has presented at national top-tier conferences (LinkedIn Connect, Business Insider, Association of National Advertisers) and was recognized as a Bay Area Influential Women in Business by the San Francisco Business Times. Prior to her biggest creative project (her now 7th grade son Alec) Eileen directed, produced and performed both improv and one-act plays around San Francisco, including TheatreFest and the Fringe Festival. She is “amazed” that her professional and creative pursuits are coming together for TEDxYouth@EB.

Richard Lyon

Head of Middle School at Ecole Bilingue de Berkeley

Richard is an educator with 17 years of experience as a teacher and administrator at the Middle School level. His multi-faceted experience of Middle School education gives him a unique understanding of the student experience both inside and out of the classroom. He has held various positions working with students in grades 4 to 8 as an English Language Development instructor, Choir Director, Humanities Teacher, Athletics Director, and most recently, as the Middle School Director of Tehiyah Day School in El Cerrito. In addition to his campus experience, Richard holds a Masters of Arts in Educational Leadership from Mills College and obtained credentials in theology, history and music. He has also worked for many years in culturally diverse schools, teaching for five years at the American School of Guadalajara in Mexico, and for the last nine years at Tehiyah, a Jewish school. There, among many responsibilities, he was in charge of assisting with the organization of the 8th Grade trip to Israel.

Gabrielle Hedlund

Ecole Bilingue Middle School English Teacher

Gabrielle Hedlund is from Oakland, CA. She holds a B.A. in English Literature from U.C. Santa Cruz. Gabrielle worked as a technology journalist for nearly a decade before moving to the business side of technology, building sites in the early days of the Internet. Later, she transitioned to teaching, earning her credential at CSU Hayward. Gabrielle taught English at Castro Valley High School for several years, then took time off to raise her two children and live in NYC. She joined the EB Middle School staff in 2015 where she teaches eighth grade English and seventh and eighth grade Social Studies. Gabrielle and her husband, Marc, have two children at the Lower School.

Sue Campbell

Ecole Bilingue Middle School English and Art Teacher

Sue Campbell has been a TEDx co-organizer for TEDxYouth@EB since our pilot TEDx four years ago. At EB, Sue teaches sixth and seventh grade English and eighth grade Visual Art. She is grateful for many opportunities at EB to co-design and co-produce innovative projects similar to TEDx like the EB School Maker Faire and whole school Environmental Sustainability initiatives. Sue has been an independent school English teacher for 29 years and loves to share her passion for writing, drama and beautiful design. She has a BA from Cornell and a Masters in Literature from Middlebury College Bread Loaf School of English.


David Pruess
French and English and Social Studies Teacher

David Pruess is an EB Alum who attended College Preparatory School, then earned a Bachelor of Arts in English and Political Economy at UC Berkeley. He spent the last year teaching French at the German School in Emeryville. David has taught English at EB (in 6th and 7th grade) in 2017-2018. We are excited to have him back as our International Track French teacher this year and as our 6th-grade social studies teacher as well. David is passionate about chess and has designed the chess curricula at and He is the father of two children.

Natasha Boissier

Kristen Sidell


Thank you to our sponsors!

  • Stella Nona