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An Episcopal, co-educational 100% boarding school in Middletown, Delaware for grades 9 – 12

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Rachel Mavity

Head of School Joy McGrath ’92 announced and welcomed the new trustees who have joined St. Andrew's Board of Trustees. View the full list of board members here.


Dr. Michael Atalay ’84 P’17 ’19 ’23

Dr. Michael Atalay ’84 P’17,’19,’23 (son of Bulent Atalay ’58, himself a former St. Andrew’s board member) is a graduate of Princeton University, where he earned a bachelor’s degree in physics, and The Johns Hopkins School of Medicine, where he earned his M.D. and Ph.D. degrees in biomedical engineering. Following a medical internship at Beth Israel Hospital in Boston (where he met and married the daughter of one of his patients) and a research fellowship at Massachusetts General Hospital, he completed his residency and fellowship training in radiology back at Hopkins.

In 2003, Dr. Atalay joined the Department of Diagnostic Imaging at Brown University where he specializes in cross-sectional imaging and cardiac MR and CT. He is currently professor of diagnostic imaging and medicine (cardiology), vice-chair of imaging research, director of cardiac MR and CT, and medical director of both the Brown Radiology Human Factors Lab and the Brown Radiology Advanced Imaging Lab. He works closely with trainees at all levels including undergraduates, medical students, radiology residents, and radiology and cardiology fellows, and he annually runs a small group session for second-year medical students in cardiac pathophysiology at The Warren Alpert Medical School of Brown University. He regards teaching as one of the great pleasures of academic medicine.

He and his wife Elizabeth have four children and live in East Greenwich, Rhode Island.


Porter Durham

Porter Durham P’13,’25 is managing partner at Global Endowment Management in Charlotte, North Carolina. Durham joined GEM in May 2007.

Previously, he served as staff counsel and director of the Education Division of The Duke Endowment, and was chairman of the Corporate and Securities Department at Baker Donelson law firm. He is currently chair of the Duke Law School Board of Visitors and serves as a trustee of the National Humanities Center, the Charlotte Center for Legal Advocacy, the Oxford American Literary Project, and Trinity Episcopal School. He is a former trustee of Johnson C. Smith University. He graduated cum laude from Duke University and Duke University School of Law.


Kate Sidebottom Simpson ’96

Kate Sidebottom Simpson ’96 has worked for over 20 years in investment and endowment management, with specific expertise in private equity and venture capital. She is currently a principal at TrueBridge Capital Partners, where as a member of the investment team, she focuses on due diligence and industry analysis. She also leads the firm’s corporate partnership efforts and co-heads its separately managed account program.

Before joining TrueBridge in 2013, she worked as a director at Parish Capital Advisors and as an investment associate at UNC Management Company, where she helped oversee the endowment’s portfolios in private equity, venture capital, real estate, energy and natural resources, and enhanced fixed income. She has served on numerous investment fund advisory boards.

Simpson currently chairs the Finance and Audit Committee for the Board of Directors of the John Rex Endowment. She previously served as an advisor to Atlas Diligence and has been a member of the Private Equity Women Investor Network and the local chapter of 100 Women in Finance.

She graduated Phi Beta Kappa with a bachelor’s in history from the University of North Carolina at Chapel Hill. As an undergraduate, she was a member of the two-time NCAA Championship Women’s Field Hockey Team.

Simpson grew up in Lancaster, Pennsylvania. While a student at St. Andrew’s, she played field hockey, basketball, and tennis, was a member of the Concert Choir, and was awarded the Henry Prize. She and her husband, George ’92, live in Raleigh, North Carolina with their two boys, Pierce and Whit.

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