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Executive Committee Bios

JOHANNA CAHOON

Co-President

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Johanna and her family moved to Wellesley in 2018 after living in New York City for nearly 20 years. Her younger daughter is a 5th grader at Sprague and older daughter is a 8th grader at WMS. Johanna worked as a second grade teacher in the New York City public school system. Always an active volunteer, Johanna has been involved with numerous New York based non profit organizations and a variety of academic institutions. She currently serves on the board of the Community Fund for Wellesley and the Creative Arts center (Chatham, MA) and has previously served on the boards of St. Bartholomew Community Preschool (New York, NY) and Stage Harbor Yacht Club (Chatham, MA). Johanna received her BA from Connecticut College, MA in Art History from Hunter College and MA in Childhood Education from New York University.

ILLANA NISSENBAUM

Co-President

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Illana Nissenbaum (2026) and her husband, Neil, have lived in Wellesley since they were married in 2006.  Illana has a BA in sociology and education from Clark University and MA from Simmons College in Educational Leadership.  After working as an elementary school teacher, she took a sabbatical to stay home with her three children: Talia, Aleah and Aaron.  All three have attended Schofield and now they are at WMS and WHS.  The Nissenbaums are long-time members of Temple Beth Elohim and Illana volunteers to help resettle Ukrainian refugees.  She is a current Wellesley Town Meeting Member for Precinct D and loves being involved in efforts to strengthen and build community.  A favorite spot in Wellesley is Centennial Reservation, which she frequents with her furry companion, Ember.

HADLEY STEPHENS

Co-Vice President

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HADLEY STEPHENS

TIZZY CHAMBERLAIN

Co-Vice President

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Tizzy Chamberlain has lived in Wellesley since 2013 with her husband Cory, and two children Cecily and William. Both children attended the PAWS preschool and are currently in 5th and 3rd grades at the Sprague Elementary School. Her professional career was spent launching and growing small technology companies in San Francisco. Tizzy led the account management team for an educational software company that provided assessment platforms to US public school districts. She also served as the VP of Operations for two ecommerce companies – one with a focus on building a mom workforce to source local business sales and the other a platform dedicated to help nonprofits raise funds through online sales. Tizzy graduated from Harvard College with an AB in Biological Anthropology. 

GREGG MYLES LEVIN

Treasurer

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Born in Wayland, MA, Gregg attended Wayland public schools, graduating from Wayland High School in 1986.  He received a Bachelor of Science dual-degree from Syracuse University (advertising from the S.I. Newhouse School of Public Communications and marketing from the Martin J. Whitman School of Management).  Gregg is currently president of Perfect Curve Inc, a product development company he started 30 years ago.  He is also Head of Business and co-owner of Curve Design Group, a product design consulting firm.  Gregg was an active member of the Boston chapter of YEO (Young Entrepreneurs Organization) for ten years and served on the New England Board of the Anti-Defamation League (ADL).  Gregg was a member of the Schofield Site Council for four (4) years and has coached town sports.  He is married to Sharon (Clarke), and has two children, Charlotte (9th grade, WHS) and Brady (7th grade, WMS).  Gregg and his family moved to Wellesley in 2016 after living in the South End of Boston. 

JENI DYMEK

Secretary

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​Jeni Dymek moved to Wellesley in 2007 not far from Lexington where she grew up.  She has two kids: Abby in 12th grade at WHS and Evan in 9h grade at WHS. Jeni has a BS in Finance and Marketing from Boston College and an MBA in Corporate Finance and Management from Bentley. Jeni currently runs worldwide sales operations for a division at Netapp and has worked for various C level executives of publicly traded companies in the past in industries such as financial services, software, and medical device. Throughout the last 10 years she has volunteered in numerous board and volunteer positions within the PTO at Sprague, WMS, and now WHS.  She was co-president of the PTO at Sprague for one year which was a great learning experience gaining perspective on Wellesley public schools. She hopes to leverage her experience to have an impact at WEF.

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