Board of Trustees

John Backer (‘00), an alumni of Gulf Stream School, joined the Board of Trustees in 2021. He serves on the Executive Committee and Committee on Trustees, and has previously chaired the Finance and Strategic Plan Committees.

John and his wife, Tracy, live in Ocean Ridge and have three boys: Jack (Class of 2030), and William (Class of 2034), and Henry (Class of 2037).

Alexis Rudisill and her family joined the Gulf Stream School community in January 2021.

A graduate of Princeton University, Alexis spent her career working in the art industry at Sotheby’s and later in real estate development. Alexis also serves on the board of the MacJannet Foundation and is a Guardian Ad Litem for the state of Florida. 

Alexis, along with her husband McAndrew and children, moved to Florida from Denver, Colorado in order to be closer to family. Georgia and Breier, twin girls, graduated Gulf Stream School in 2026 and now attend St. Paul’s School in Concord, New Hampshire. Their son Mac is in Grade 5.

The Rudisills are thrilled to be living near the water, as they are all avid anglers and watersports enthusiasts. In addition, they love to cook, play tennis and ski.

Hillary Matchett serves on the Gulf Stream School Board of Trustees as Treasurer and serves on the Executive Committee and Finance Committee. She also chairs the school’s Investment Committee.

Hillary is a co-founder of Quantum Coast Capital and a co-founder of CenterMid Capital. She has nearly 30 years of experience in investment management, corporate development and strategic advisory roles.

Hillary is a member of Florida Quantum and serves on the Investment Committee of the Kravis Center for the Performing Arts. Her previous community leadership includes board service with the Leukemia & Lymphoma Society and Big Dog Ranch Rescue, as well as serving as Executive Chair of the American Heart Association Heart Ball.

Hillary and her husband, Chris, live in Delray Beach and have two sons, Grady and Dane, enrolled at Gulf Stream School.

Kristen Sheehan joined the Gulf Stream School Board of Trustees during the 2025-2026 school year. She serves on the Strategic Planning Committee and is committed to Gulf Stream School’s mission and vision.

Kristen is the Assistant Head of School at The Benjamin School in North Palm Beach, Florida. She has been an educator and independent school administrator for over 35 years. She is also an adjunct professor at Palm Beach Atlantic University, where she teaches graduate leadership courses. 

Kristen and her husband, Patrick, a retired educator, live in Jupiter, Florida. Their daughter, Kelly, lives in Estero, Florida, and teaches kindergarten.

Rashmi graduated at the top of her medical school class at MGM Medical College in India and is a board-certified OB-GYN with a Master’s in Public Health from Columbia University. She has been a practicing gynecologist for 20 years, with a focus on women’s health in underserved populations through FQHCs and currently serves as an Attending Physician in the Department of OB-GYN and Women’s Health Care Services at Broward Health in Fort Lauderdale, where she works to improve access to preventive care services and address the health challenges facing women in local communities.

Rashmi and her husband, Pinaki moved to Florida in 2016 with their three daughters — Anya, Arya, and Anu and have been GSS parents since 2016. Arya and Anu graduated GSS 2026 and now attend FAU High School and Anya is a sophomore in NYU . 

Jeff is a Managing Partner of Larsen MacColl Partners, a firm which makes alternative investments in lower middle market companies and real estate.

He received an A.B. in Economics, magna cum laude, from Princeton University. Before starting his own firm, Jeff worked at Goldman Sachs in Leveraged Finance and then at Chartwell Investments, a private equity firm.  

Jeff is a former Trustee of the Peddie School where he served as the Chairman of the Investment Committee for many years. He lives in Delray Beach with his wife Brittani and their three Stingray children (Parker, Riley and Emma).

Katherine Orthwein (’00), an alumna of Gulf Stream School, has been a member of the Board of Trustees since 2024. She serves as Chair of the Committee on Trustees, sits on the Finance and 1938 Committees, and previously served on the Strategic Planning Committee.

She graduated with honors from Washington University in St. Louis with a triple major in Finance, Marketing, and Entrepreneurship before earning her MBA from MIT, where she focused on finance, strategy, and innovation.

Katie is Managing Partner of North Haven Investment Group LLC, a single-family office focused on long-term investment management and strategic growth. She and her husband, Brendan, also co-own Johnny Mangos Garden Center, combining their shared passion for nature, design, and community.

Dedicated to preserving Gulf Stream’s charm while thoughtfully planning for its future, Katie serves as Vice Chairman of the Town of Gulf Stream’s Architectural Review and Planning Board. She and Brendan are the proud parents of Alexandra (Class of 2032) and Hunter (Class of 2035).

Nicholas Kaleel (‘09), an alumnus of Gulf Stream School, joined the Board of Trustees in 2022, where he serves on the Legal and Trustee Committees. He attended GSS with his sister, Alex (’12), and his cousin, Kristi (’09). 

Nicholas earned his biomedical engineering degree from the University of Miami, where he also ran Division I track/field and cross country. Nicholas went on to earn his J.D. from the University of Florida, cum laude. 

Nicholas started his legal career at the State Attorney’s Office in Palm Beach County before clerking for a federal judge. He now serves as an Assistant Statewide Prosecutor for Florida’s Office of the Attorney General, where he prosecutes multi-jurisdictional organized crime. 

In his spare time, Nicholas enjoys marathon running, travel, and time with family. 

TJ Glanfield has been on the Board of Trustees since 2020. He serves on the Executive Committee, Finance Committee, Committee on Trustees and Building and Grounds Committee.

TJ is a founding partner and portfolio manager at Quantix Commodities, an asset management firm.  Previously, TJ was a Managing Director at Goldman Sachs in both New York and London.

For the past six years, TJ has also served on the board for Lwala Community Alliance, an NGO in Western Kenya, and was previously the Board Chair.

TJ and his wife, Seran, live in Delray Beach and have three young children enrolled at Gulf Stream School.