During the calendar year 2024, 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

Sheridan Mitchell Lorenz

Christie Mitchell

Cody Mitchell

Graham Mitchell

C. Grant Mitchell, Board Chair

Katie Mitchell

M. Kent Mitchell, Board Vice-Chair

Kirk Mitchell

Mark Mitchell

Skye Telleen

Adrienne Dreiss Ropp

With offices in Austin and The Woodlands, the foundation has nine 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.


Ria Agarwal, Land Conservation and Water Programs Associate

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

Marilu Hastings, Executive Vice President

Katherine Lorenz, President

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

Tessa Schreiber, Senior Associate, Clean Energy and Subsurface Energy Programs

Laura Waring, Office Manager and Executive Assistant to the EVP

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

Board & Officers



Nichelle Bielinski

Marilu Hastings

Katherine Lorenz

Marita Mirzatuny

Sarah Mitchell

© 2012-2024 Cynthia and George Mitchell Foundation.