Meet the Board 23-24
2023-2024 Board of Trustees & Nominees
Lesley Ryan Miller, Chair
Greg Woods, Vice Chair
Greg graduated from Brown University and Georgetown Law after attending public elementary and secondary schools in Ohio, where he spent his childhood. He is the executive vice president and general counsel— corporate legal of LPL Financial, a publicly traded financial services firm, at which he advises on a range of corporate, securities, and employment law matters. In addition to serving on Park’s Board, he is a former trustee of Boston Medical Center’s Exceptional Care Without Exception Trust. Greg and his wife Emily have three daughters—Millie ’22, Lizzie (Grade 7), and Gracie (Grade 3).
Rahul Ballal, Secretary
Rahul was born in a small town in the UK and immigrated to the US when he was four. Growing up in Michigan and later Ohio, he attended a small independent day school similar to Park. He traveled east to attend Brown University to study biology and then moved to San Francisco to run a knowledge management startup, which eventually brought him to Washington DC. In DC, he met his wife Sonia and they together completed graduate work and moved to Boston for jobs and additional training. Rahul is currently the CEO of a biotech startup developing novel drugs for patients suffering from sickle cell disease. He has three children, Meenu '23, Shyla (Grade 6), and Saavin (Grade 1) and is always working on improving his jump shot in basketball.
Sara Leventhal Fleiss '95, Treasurer
After graduating from Park, Sara attended Milton Academy and Harvard College, where she studied applied mathematics. She then went on to receive an MBA from Harvard Business School, where she is now a Senior Lecturer of Business Administration. Sara was the co-founder and co portfolio manager of Emeth Partners, an emerging markets arbitrage hedge fund. Sara joined the Board in 2016 and currently serves as Treasurer and is on the Executive Committee and Investment Committee. Previously, she co-chaired the Head of School Search Committee and the Transition Committee. Sara has three children: Morris, Solomon '24, and Annabel (2).
Darren Abrahamson
Darren graduated from the Wharton School at the University of Pennsylvania and received an MBA from Harvard Business School.
He has spent the past 18 years at Bain Capital, where he co-heads Bain Capital Tech Opportunities, a growth-stage technology fund which he helped launch in 2019.
Darren and his wife Daniela live in Newton with their sons Brady (‘26), Ryan (‘29) and Tyler (‘31) and their dog Whiskey.
Celina Barrios-Millner