Executive Officers

TST’s senior management possesses a combination of strong military, intelligence, and contracting experience. Most of the executive staff have been with the company since its founding and continue to lead with expertise, experience, and a passion for innovation. Below, please find the biographies of some select senior TST team members.

A. J. Clark, President

Mr. Clark is the President of Thermopylae Sciences and Technology (TST). His focus is on team development, product awareness, delivering quality, and strategic growth for TST. He works directly on programs for customers to provide enterprise architecture support for Geospatial Systems, Mobile Frameworks, Cyber Security Programs, Disaster Relief Management, and Cloud Computing Solutions. Mr. Clark has over 15 years of experience in program management and systems integration for multiple organizations to include the U.S. Department of Defense (DoD) and Department of State (DoS). Read More…

Melissa Logsdon, Chief Executive Officer

Melissa E. Logsdon is currently the Chief Executive Officer of TST. Since joining TST in June 2008, Ms. Logsdon has worked vigorously to develop and implement Human Resources policies and procedures that provides TST with a strong yet malleable foundation. The company operations she oversees include human resources (HR), staffing, security, office management and information technologies. Read More…

John Redd, Chief Financial Officer

Thermopylae’s Chief Financial Officer, John Redd, is a results-driven professional with more than 22 years of accounting and financial expertise. He contributes to TST’s business development by supporting the department that ensures the products and services reach customers as efficiently as possible. Mr. Redd draws upon his significant accounting, finance, and legal knowledge acquired throughout his career. Read More…

John-Isaac Clark, Chief Innovation Officer

As Chief Innovation Officer, John-Isaac Clark is responsible for the internal development and refinement of products, technologies, and solutions to specifically address Thermopylae’s customers’ problem sets. In this capacity, Mr. Clark provides leadership encompassing product development, direction, technical solutions, and consulting practices, and then aligning these to known and emerging market needs. Read More…

William “Keith” Osborn, Executive Vice President for Special Projects

At Thermopylae Sciences and Technology (TST), Keith Osborn focuses on an effective, efficient execution of all day-to-day activities performed by the company’s operational staff. He ensures TST operations continue to support corporate leadership’s vision, values, and strategic goals for the company while providing TST’s government and private sector customers with the highest value of product and support possible. Read More…

Mike Cachine, Chief Information Officer / CSR

Michael Cachine is the Chief Information Officer of Thermopylae Sciences + Technology (TST). His focus is on delivering world-class IT services to TST employees and supporting the IT solutions infrastructure that fuels TST’s rapid growth. In this role, Mr. Cachine is the executive responsible for integrating the company’s information assets across all business units and for delivering innovative business communication and collaboration solutions company-wide. Read More…