Board members

Children’s Own School is managed by a board of directors. Meet our board members:

Christina Marshall Santarpio

Christina Marshall Santarpio

Christina is our COS Board President and the mother of Thomas, an Orange Room alum, Eloise, a Kindergartener in the Orange Room, and Cecilia. She is a partner at the law firm of Anderson & Kreiger, focusing on advising municipalities, state agencies, and airport authorities on regulatory and litigation matters, including Board governance and other compliance issues. Christina is grateful for the opportunity to play this role in the COS community and give back to such a special place her children love. Christina and her family live in Winchester.

MyHanh Ozonoff

MyHanh Ozonoff

MyHanh joined the board in 2025 and currently serves as Vice President and a member of the Education Committee. She is the mother of Resa who is in the Vermilion Room, Thea who is in the Green Room, and Felix. With over a decade of experience in education, MyHanh has focused her work on advancing access and equity for under-resourced communities. Now a stay-at-home mom, MyHanh finds joy in supporting her own children as they grow and learn within the nurturing environment of COS. She and her husband, Al, live in Medford with their three children.

Gina Tracey

Gina Tracey

Gina currently serves on the COS board, sits on the Finance Committee, and serves as board Treasurer. Gina is the mother of two daughters: Charley, a Purple Room alum and Morgan currently in the Purple Room. Gina is a CPA with over 20 years of combined public accounting and industry experience, and is the Controller at Alnylam Pharmaceuticals, Inc. Gina, her husband Pat, and her two daughters live in Winchester.

Photo coming soon

Maura Ragster

Maura currently serves on the COS board and serves on the Facilities and Development Committees. Her daughter, Victoria, is a Children’s Own School Alumna and also attended Cambridge Montessori School. Her son, Brian, attended primary through 4th grade at Cambridge Montessori School. She is also a dedicated stepmother to her daughter, Kaela, who attends Emory University. Maura currently works for The Shoreline Corporation and has 19 years of experience with both commercial and residential property management. She has valuable experience with facilities management, operations, marketing, and fundraising. Maura is a strong believer in the magic of a Montessori education and is committed to the continued development of Children’s Own School. She resides in Winchester with her husband, Albert, and their children.

Philip Frattaroli

Philip, who serves on the Facilities committee, is father of four; COS alumni Olivia and Adeline, Carolina who is currently enrolled in the Vermillion Room, and Argeo is a Yellow Room student. A licensed attorney, Philip is a local restaurateur and real estate developer. Philip lives in Winchester with his family, he is an elected member of Winchester Town Meeting and the Board of Directors of the Winchester Chamber of Commerce. He, along with his three siblings, is an alumni of Children’s Own School.

Eryk Nice

Eryk Nice

Eryk joined the COS board in 2024 and currently serves as the Clerk and on the Communication Committee. He is the father of Milo, a Kindergartener in the Green Room and Matilda who is in the Vermilion Room. Eryk has spent 20 years in the Boston-area robotics and autonomous driving industry and currently works as an advisor to early-stage tech companies. He is a Montessori alum, and is grateful his children have the opportunity to flourish at COS. Eryk lives with his wife Robin and children in Medford.

Cristina Jain and family

Cristina Jain

Cristina currently serves on the COS Board and its Development and Finance Committees. Cristina is the mother of Asher, a Vermilion Room alum, and Amara who is currently in the Vermillion Room. She is a VP of Product at Stackpoint Ventures and has spent the majority of her career building and scaling technology companies. Cristina grew up on North Gateway (just behind COS) and is delighted to be back in Winchester raising her family in this wonderful community.

Eryk Nice

Eryk Nice

Eryk joined the COS board in 2024 and currently serves as the Clerk and on the Communication Committee. He is the father of Milo, a Kindergartener in the Green Room and Matilda who is in the Vermilion Room. Eryk has spent 20 years in the Boston-area robotics and autonomous driving industry and currently works as an advisor to early-stage tech companies. He is a Montessori alum, and is grateful his children have the opportunity to flourish at COS. Eryk lives with his wife Robin and children in Medford.