Interim Executive Directors

Since the inception of Greenlights' Interim Exective Director Program in 2008, our Interim EDs have provided over 40 months of service to the Central Texas nonprofit community.

Ashley deJong Ashley deJong
Ashley Katz-deJong served as Executive Director of Patient Privacy Rights. With a Masters degrees in social work, she is well-versed in government and nonprofit management, and has particular expertise in organizational assessments, strategic planning, and online communications.
Gretchen Flatau Gretchen Flatau
Gretchen Flatau’s Executive Director service is extensive, with posts at the Women’s Advocacy Project, Recording for the Blind, the Mothers’ Milk Bank at Austin, and College for All Texans. She brings her expertise in development and nonprofit management to the IED program.
Jack Nokes Jack Nokes
Jack Nokes has served as the Executive Director of the Texas Association of Museums for 12 years, and the Interim Director of Laguna Gloria Art Museum, where he served as Director of Administration for 11 years. His professional expertise includes board management and development, finance, management, strategic planning, and succession planning.
Sharon Reece Sharon Reece
Sharon Reece has over two decades of Executive Director experience, at various Girl Scouts councils throughout the country and abroad, as well as with San Antonio Youth Literacy. She is a versatile nonprofit leader and educator, with expertise in board development, financial management, human resources and management, strategic planning, and mergers.
Mike Renquist Mike Renquist
Mike Renquist served as Senior Pastor of NorthPark Presbyterian Church in Dallas for 7 years, supervising a staff of 17, trebling the annual budget, and focusing on community economic development. Since then, he has focused on strategic planning and leadership development in corporate and nonprofit settings.