During calendar year 2020, the Board of Directors of the Cynthia and George Mitchell Foundation was made up of 12 members, including two generations of the Mitchell family. Katherine Lorenz is the board chair. Adrienne Dreiss Ropp is the board vice-chair. Meredith Mitchell Dreiss is the foundation's president emeritus.

Board of Directors

Meredith Heimburger

Katherine Lorenz, Board Chair

Sheridan Mitchell Lorenz

Christie Mitchell

Grant Mitchell

Katie Mitchell

Kent Mitchell

Kirk Mitchell

Mark Mitchell

Sarah Scott Mitchell

Scott Mitchell

Adrienne Dreiss Ropp, Board Vice-Chair

With offices in Austin and The Woodlands, the foundation has eight full-time staff members and operates with professional support donated by the Mitchell Family Corporation. Randall Kempner is president of the foundation. Michelle Robinson is the secretary of the foundation; Spiros Vassilakis is the foundation's treasurer.


Nichelle Bielinski, Manager, Austin Office, and Executive Assistant to the CEO

Marilu Hastings, Chief Innovation and Strategy Officer

Randall Kempner, President and Chief Executive Officer

Marita Mirzatuny, Sustainability Education Program and Operations Officer

Sarah Mitchell, Director, Cook's Branch Conservancy

Drew Nelson, Clean Energy Program Officer

Farnaz Seddighzadeh, Land Conversation and Water Program Associate

Emily R. Warren, Land Conservation and Water Program Officer

Board & Officers

Katherine Lorenz


Nichelle BielinskiMarilu Hastings

Sarah MitchellMarita MirzatunyDrew NelsonFarnaz SeddighzadehEmily R. Warren

© 2012-2021 Cynthia and George Mitchell Foundation.