Chair and Chief Executive Officer, ICF International, Inc. Director Since 2019 Age 64 WHY THIS DIRECTOR IS VALUABLE TO ICF Mr. Wasson is an expert in strategic growth and operational excellence. During his over 35-year career at ICF, Mr. Wasson has led government and commercial client work in energy, environment, transportation, public health, and technology markets. He served as Chief Operating Officer from 2003 to 2019, before ICF s Board of Directors appointed him as Chief Executive Officer on October 1, 2019. He has extensive experience leading ICF s business and growth in its core areas and has demonstrated governance and risk management experience as a C-suite executive. He also has significant and sustained financial, mergers and acquisition, technology and innovation, and sales and marketing experience. Mr. Wasson is highly active in charitable organizations and educational institutions. Integrity Governance Leadership Relevant Industry Financial M&A Technology/ Innovation Sales & Marketing Commitment/ Collaboration Career Highlights ICF International, Inc. Chair of the Board (2021 to present) Chief Executive Officer (2019 to present) President (2019 to 2026) President and Chief Operating Officer (2010 to 2019) Chief Operating Officer (2003 to 2010) Joined ICF in 1987 as an associate and in 1994 became an officer of the Company Current Non-Public Directorships Northern Virginia Technology Council, Board Member (2018 to present) The Flint Hill School, Member, Board of Trustees (2017 to present) PAST NON-PUBLIC DIRECTORSHIPS UC Davis Foundation, Board of Trustees (2018 to 2020) Professional and Leadership Positions University of California Davis College of Engineering, Member, Dean s Executive Committee (2014 to present) Education B.S. in Chemical Engineering, University of California, Davis M.S. in Technology and Policy Program, Massachusetts Institute of Technology