Our Staff


Michelle Lemming, President/CEO

Michelle was raised in Kilgore, Texas. She began her career in Louisiana, leading the development of the Bayou Teche Community Health Network. She later oversaw a state-wide network of Louisiana’s 43 rural hospitals. Prior to joining THF, she was brought in to lead the healthcare recovery efforts following Hurricanes Katrina and Rita through the Health Services Recovery Council.

Shunnay Gilmore, Foundation Relations

Shunnay started with the Foundation in 2010 as Executive Assistant, and in 2013, she became Assistant to the President.  As of January 2014, her focus has shifted towards donor/foundation relations. She has work experience in the healthcare field through her employment with Cigna as a customer service representative that handled escalated/supervisor calls. Her experience also includes responsibilities as a site manager for the Southern Oklahoma Nutrition Program where she managed the Calera Site, oversaw fundraising activities, and assisted with grant writing.

Shunnay currently serves on the Communications Committee for the Conference of Southwest Foundations, has been a part of youth ministry for over 15 years, and has volunteered at community centers and Boys and Girls Clubs in both Grayson and Collin County.

Marilyn Bice, Director of Reba’s Ranch House

Marilyn joined THF as the Director of Reba’s Ranch House. Ms. Bice is a long time Grayson County resident and native of the Texas Panhandle. She served as Assistant to the Director of the Posey Leadership Institute at Austin College which supports area nonprofits through leadership and organizational development. She was also responsible for assisting with the Model United Nations Program. An honor dear to Marilyn was being named Mentor of the Year by the the international women’s organization, “Women of Visionary Influence”. In the past twenty-five years, she has gained extensive experience in academic volunteerism, cultural diversity and nonprofit leadership.

Susan Hooper, RRH Guest Relations

Susan is a fourth generation Denisonian. Her career includes 22 years as the owner of a retail florist in Downtown Denison and six years as the Executive Director of the Grayson County Chapter of the American Red Cross. She is a breast cancer survivor and also the founder and facilitator of the Texoma Health Foundation’s Breast Cancer Support Group. She has volunteered extensively in Grayson County in many civic and county organizations and currently volunteers for Guardian Hospice, 500 STRONG, and the Breast Cancer Support Group. After volunteering for THF since 2008 she became a member of the staff in July of 2011.