BFS operates under the stewardship of the Educational and Operations Directors in partnership with the parent-run Steering Committee and the Board of Trustees, who have exclusively been alumni (or, rather, parents of former students). We are in the process of expanding our board to include qualified individuals who share a commitment to our values and mission but do not have a prior relationship to BFS. Our incomparable teaching staff is Brooklyn Free Space's biggest strength. Our staff has a long tradition of staying at BFS for years and years––and many who move on find their way back to us later. BFS doubled in size for the 2007–2008 school year. In growing from two to four classrooms, we welcomed, or welcomed back, some new staff members. We are happy to have long, fruitful relationships with these teachers.

Jen Tammi

Board Member

Jennifer Tammi is a high school history teacher at Ethical Culture Fieldston School in Riverdale, New York. She teaches the US history survey course as well as various elective courses such as the history of the working class, immigration history, and NYC history. Besides teaching at Fieldston, Jennifer runs the student staffed History Center (a peer tutoring program), chairs the Academic Integrity Task Force committee, serves on the Financial Aid Task Force committee, and is a faculty advisor to the Women's Leadership Group and the Queer Straight Alliance. She also takes great pride in being a faculty representative for the teacher's union.

She earned her Ph.D. in US History from Columbia University, where she researched the history of the cooperative movement in the US. Prior to coming to Fieldston Jennifer worked at Magna Software Company in New York City, was a teaching and research assistant at Columbia University and Barnard College, and taught English at Xinan Jiaotong University in Chengdu, China. She served for two years as President of the Steering Committee at Brooklyn Free Space, a cooperative preschool in Park Slope, Brooklyn and currently serves on their Board of Trustees. Jennifer lives with her husband and son in Windsor Terrace, Brooklyn

Lizanne Hart

Board Member

Lizanne Hart is a freelance graphic designer and design strategist who specializes in helping creative individuals, small businesses and nonprofit organizations communicate effectively about their work. Her work includes branding, logo, marketing collateral and website design.

A former Communications Director, Lizanne's background includes a mixture of both fundraising and communications experience at Merkin Concert Hall and Penguin USA in New York, the Roudnice-Lobkowicz Foundation in Prague, and The Minneapolis Institute of Arts. Lizanne is a former Brooklyn Free Space Steering President and her daughter, Madeline, was a 2011 BFS graduate who will enter 4th grade next fall at PS 321.


Jonathan Turer

Board Member

Jonathan Turer's connection to BFS began in 2008 when his oldest son, Henry attended the school. During those two years he was a founding member of the (then ad-hoc) Diversity Committee and was later the Member-at-Large on the Steering Committee. Jonathan wanted to continue his commitment to the school and volunteered as a Trustee until his second son, William began his time in Jitterbug. At that point he rejoined Steering, again as the Trustee liaison (Member-at-Large).

Jonathan is currently the School Program Manager for NYC H2O, a local non-profit which operates field trips for students in the city. School groups visit natural areas within the five boros which have connections to our drinking water system to discuss watershed ecosystems and city infrastructure.

Additionally, Jonathan has been a licensed sightseeing guide in NYC for the last seven years, welcoming visitors ranging from State Department guests to high school marching bands and everyone in-between. He has also done consulting work; developing a tour at the Metropolitan Museum for the international firm City Wonders, and running a training session for docents at the High Line.


Stacey Townsend, CFA

Board Member

Stacey has nearly two decades of experience in the finance industry, including managing teams and analyzing investments. She is currently a Senior Investment Analyst and Lead of the U.S. Growth Equity Team at Wells Fargo. Stacey has also held roles at Morgan Stanley, Merrill Lynch and Credit Suisse. She holds a B.S. in Business Administration from the University of Pittsburgh and the CFA® designation. Stacey lives in Park Slope, Brooklyn with her husband and daughter, who attended BFS from 2015-2018.

Susanna Kohn

Board Member

Susanna Kohn is a freelance writer and teacher. Most recently she taught Writing Courses through Bard College’s Prison Initiative, at the Brooklyn Public Library, as well as at Bayview Correctional Facility. Recent freelance projects include articles for Greenmatters, an eco-conscious lifestyle website, and writing product copy for the TUMI luggage website. As a former Copy Director, Susanna’s experience includes a mixture of editorial, advertising, and marketing work. She is also working on a novel.

She earned her BA from Columbia College and her MFA from Columbia University’s School of the Arts. Each of her three children went to Brooklyn Free Space, and as a parent, she served on and led many committees, including Fundraising, Community Building, and the Newsletter. Susanna lives in Park Slope with her husband and three children.

Rachel Ehrlich

Board Member

Rachel is an anti-bias educator. She attended Hampshire College and received a B.A. in Urban Studies from New College of California. She has an M.S.W. in Clinical Social Work from Smith College and a M.A. in Social Justice Education from UMass Amherst. She is working toward a PhD in Urban Education at the CUNY Grad Center. Her dissertation focuses on educational policy, teacher’s unions, and racial and class inequity. She regularly consults with public and private school teachers/administrators on social justice education, diversity, and inclusion. At the Fieldston Ethical Culture School she is the chair of the Ethics Department 6-12th grades, a College Counselor, and teaches courses focused on power and social justice. She lives in Brooklyn with her wife Jill, son August, and bulldog Gilda.