Signature Science is governed by a Managers Committee and led by a team with broad experience in scientific, technical, and operational leadership.

William M. Thompson
President and CEO

Mr. Thompson joined Signature Science as Vice President for Washington, D.C. Operations in 2006, following a career spanning 22 years with the US Department of Defense. In October 2014, he assumed the position of …


Michael A. Regester
Vice President, Administration

Mr. Regester oversees the administrative staff at Signature Science and is also responsible for coordinating all corporate finance, budget, accounting, legal, and related matters of the Company. Mr. Regester is an Aerospace Engineer …


Brian J. Schimmoller
Vice President, Marketing and Business Development

Mr. Schimmoller is the Vice President of Marketing and Business Development at Signature Science. In this role, Mr. Schimmoller is responsible for planning and execution of the Company’s business development …

Molly Isbell, PhD

Director, Quality Assurance and Data Science

Michael Re, PhD

Director, CBRNE Sciences

Sara Szmania, MBA

Director, Charlottesville Operations

Danielle Dickinson, PhD

Director, Systems Design and Integration

Managers Committee

Adam L. Hamilton, P.E.
President and Chief Executive Officer, Southwest Research Institute®

J. Dan Bates
President Emeritus, Southwest Research Institute®

Walter D. Downing, P.E.
Executive Vice President and Chief Operating Officer, Southwest Research Institute®

William M. Thompson
President and Chief Executive Officer, Signature Science, LLC

Earl Maxwell, CPA
CEO (Retired), St. David’s Foundation, Austin, Texas

Wesley C. Patrick, Ph.D.
Executive Director, CNWRA, Southwest Research Institute®

Milton B. Lee, P.E.
CEO and General Manager (Retired), CPS Energy, San Antonio, Texas

Jan Newton
President (Retired), SBC Texas