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Michael McMahan
Nicole Sheridan [Source images: SWMF, composite DI Studio]
Nicole Sheridan, 10 Others Named as Trustees of Southwestern Medical Foundation
by David Seeley | Aug 14, 2025
Dedicated to advancing medical innovation for 86 years, the foundation said philanthropist and "Texan by choice" Nicole Sheridan is one of the 11 new members of its board of trustees. Jere Thompson, Jr. will continue in his role as board chair.
by Lance Murray |
Feb 2, 2024
The foundation said that in addition to her role as CFO, Sarah Fletcher—formerly CFO of the Trinity Park Conservancy—will serve as a foundation officer. She will oversee the accounting and investment of its $1 billion endowment—which supports leading-edge medical research, education, and patient care.
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by Lance Murray |
Mar 16, 2023
Michael McMahan follows Kathleen Gibson as CEO, who spent 10 years at the helm of the foundation. McMahan worked for more than a decade at the George W. Bush Presidential Center. He'll now lead the foundation in its mission to build "a sustainable funding source for innovative research, best-in-class medical education, and the highest standard of treatment and care."
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![Erica Kosemund, Chief Brand Officer, Choctaw Nation of Oklahoma; Gillian Breidenbach, Chief Partnership Officer, North Texas FWC Organizing Committee; Chief Gary Batton, Chief of Choctaw Nation of Oklahoma; Monica Paul, Executive Director of Dallas Sports Commission and President of North Texas FWC Organizing Committee; John Hobbs, Senior Executive Officer of Communications, Choctaw Nation of Oklahoma; and Heidi Grant, Senior Executive Officer of Commerce Administration, Choctaw Nation of Oklahoma, celebrate Choctaw Casinos & Resorts becoming an Official Dallas World Cup 2026 Host City Supporter. [Photo: North Texas FWC Organizing Committee/Choctaw Casinos & Resorts]](https://s24806.pcdn.co/wp-content/uploads/2025/12/FIFA-Choctaw-dec-2025.jpg)
