Melissa L. Sandefer

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Melissa Lemke Sandefer

Melissa L. Sandefer


Melissa Sandefer oversees the operations and management of Sandefer Oil and Gas, Inc., where for the past decade she has continued her late husband’s legacy and guided the company’s energy interests with a focus on integrity, stewardship, and responsible development.
Her career spans more than two decades in corporate leadership, human resources, and organizational strategy. Before entering the energy sector, she served as a consultant with William M. Mercer, co-authoring a published article on executive compensation, and later as Director of Human Resources at United Way, where she strengthened board and community engagement.

A native of Houston, she earned both her Master of Science in Industrial and Organizational Psychology and her Bachelor of Science in Psychology from the University of Houston. She serves on the boards of the Texas State Historical Association Women’s Legation Committee, Sooners Helping Sooners, and the Independent Women’s Forum’s Center for Energy and Conservation.

Commemorating 250 years of American independence through the stories, people, and places that shaped Texas and the nation.

As the United States approaches its 250th anniversary in 2026, Texans have a unique opportunity to reflect on the state’s role in the American story. Through exhibitions, programs, educational initiatives, and community events across Texas, Texas America250 encourages celebration, reflection, and commemoration at both local and statewide levels. At the Texas State Historical Association, we are proud to support this important moment through our mission-driven work in history education and public engagement, including Texas History Day, and we invite students, educators, and communities to explore this milestone in meaningful ways.

On July 4, 2026, we will celebrate the 250th anniversary of the adoption of the Declaration of Independence and the birth of the greatest nation in the history of the world. “We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness.” Long may these ideals live in the heart of every Texan and every American. May God bless all who have defended our freedoms that we enjoy each day. And God bless the United States of America.

Greg Abbott, Governor of Texas

Commemorating 250 years of American independence through the stories, people, and places that shaped Texas and the nation.

As the United States approaches its 250th anniversary in 2026, Texans have a unique opportunity to reflect on the state’s role in the American story. Through exhibitions, programs, educational initiatives, and community events across Texas, Texas America250 encourages celebration, reflection, and commemoration at both local and statewide levels. At the Texas State Historical Association, we are proud to support this important moment through our mission-driven work in history education and public engagement, including Texas History Day, and we invite students, educators, and communities to explore this milestone in meaningful ways.

On July 4, 2026, we will celebrate the 250th anniversary of the adoption of the Declaration of Independence and the birth of the greatest nation in the history of the world. “We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness.” Long may these ideals live in the heart of every Texan and every American. May God bless all who have defended our freedoms that we enjoy each day. And God bless the United States of America.

Greg Abbott, Governor of Texas

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