Leadership

During the calendar year 2025, the Cynthia and George Mitchell Foundation's board of directors is made up of 12 members, including two generations of the Mitchell family. C. Grant Mitchell is the board chair and president. M. Kent Mitchell is the board vice-chair. Meredith Mitchell Dreiss is the foundation's president emeritus.

Board of Directors

Meredith Heimburger


Christie Mitchell


Cody Mitchell


Graham Mitchell


C. Grant Mitchell, Board Chair


Katina Mitchell


M. Kent Mitchell, Board Vice Chair


J. Kirk Mitchell


Mark D. Mitchell


J. Todd Mitchell


Skye Telleen


Adrienne Dreiss Ropp


The foundation, which has offices in Austin and The Woodlands, has eleven full-time staff members and operates with professional support donated by the Mitchell Family Corporation. Board officers include Katherine Lorenz, president; Nichelle Bielinski, secretary; and Spiros Vassilakis, treasurer.

Staff


Nichelle Bielinski, Executive Assistant to the President, and Program Manager


Marilu Hastings, Executive Vice President


Brett Holmes, Director, Strategic Communications


Katherine Lorenz, President


Leyah Mathew, Associate, Clean Energy and Subsurface Energy Programs


Marita Mirzatuny, Director, Sustainability Education Program and Manager, MIL


Sarah Mitchell, Director, Cook's Branch Conservancy


David Monsma, Director, Clean Energy and Subsurface Energy Programs


Laura Waring, Office Manager and Executive Assistant to the EVP


Marina Walne, Director, Galveston Program


Emily R. Warren, Director, Land Conservation and Water Programs

Board & Officers

 

Staff

Nichelle Bielinski

Marilu Hastings

Katherine Lorenz

Marita Mirzatuny

Sarah Mitchell

© 2012-2025 Cynthia and George Mitchell Foundation.