Mark Lee is a recognized leader in government services with extensive experience building and leading businesses at the intersection of science, engineering, and technology. Prior to joining ERT, he served as Chief Technology Executive for ICF, a publicly traded global consulting and technology services company. In this role, Mark drove the company’s overall technology strategy and implementation through his leadership of ICF’s client-facing technology business and the company’s Chief Technology Officer function. Mark’s team provided technology, digital solutions, and advanced data and analytics tools to help clients deliver practical programs that lead to positive outcomes in areas such as health, environment, climate, energy, and disaster recovery.
Mark previously served as the executive vice president of ICF’s public sector business and spent over 25 years with the firm. During his time leading ICF’s public sector business, he led the development and implementation of the strategy used to rapidly expand ICF’s technology footprint, largely through three strategic acquisitions. Through these efforts, ICF grew its technology business from $50M to over $500M in under three years.
Mark currently serves on the board of directors for the Professional Services Council (PSC) and the Public Health Foundation at the University of North Carolina’s Gillings School of Global Public Health. He was also recognized by WashingtonExec as a Top Space Exec to Watch in 2025 and a Top Public Sector Leader to Watch in 2020 and 2021.
Mark holds a Master of Science and a Bachelor of Science in Public Health from the University of North Carolina at Chapel Hill.
