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. Meredith Mitchell Dreiss is the foundation's president emeritus.

Board of Directors

Meredith Heimburger

Katherine Lorenz

Sheridan Mitchell Lorenz

Alex Mitchell

Grant Mitchell, Chairman

Greg Mitchell

Kent Mitchell

Kirk Mitchell

Mark Mitchell

Sarah Scott Mitchell

Scott Mitchell

Adrienne Dreiss Ropp

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. Michelle Robinson is Secretary of the foundation; Spiros Vassilakis is Treasurer.


Katherine Lorenz, president

Randall Kempner, Incoming CEO

Marilu Hastings, vice president, sustainability program

Drew Nelson, clean energy program officer

Emily R. Warren, water program officer

Sarah Mitchell, director, Cook's Branch Conservancy

Marita Mirzatuny, program manager, sustainability program

Farnaz Seddighzadeh, water program associate

Nichelle Bielinski, executive associate

Board & Officers

C. Grant Mitchell


Katherine Lorenz

Marilu Hastings

Drew Nelson

Emily R. Warren

Sarah Mitchell

Marita Mirzatuny

Farnaz Seddighzadeh

Nichelle Bielinski

© 2012-2020 Cynthia and George Mitchell Foundation.