Tish Mossman

Tish Mossman is a senior leader with more than 25 years of experience from a strategy and delivery focus across commercial, industry and government contracts. She has been with RELI since 2018 and has held a variety of leadership roles in healthcare, national security and safety; these roles span across engineering, digital services and project management office divisions, as well as her current position as RELI’s Vice President of National Security. Recognized for her leadership, Tish was honored with the 2024 IMPACT Women in Leadership Award for her impactful approach to change management, and was named one of Washington Exec’s Top National Security Executives to Watch in 2024. Based on her professional experience, she works with her customers to understand their needs and provides sound solutions in solving business or technical problems. Tish’s drive for leadership and implementation has allowed her to successfully oversee RELI’s largest portfolio of programs.