Mike Brennan serves as Chief Growth Officer at Valiant. Since joining Valiant in 2019, Mike has transformed the function from an operations-led other-duty-as-assigned to a professional business development organization. He leads a team that pursues work across the company’s Mission Solutions and Training and Readiness verticals, conducting work in over 40 countries and supporting the mission of more than 20 customers. In addition to his primary role at Valiant, Mike has supported multiple asset purchases and acquisitions to further increase the company’s capabilities and addressable market.

Before joining Valiant, Mike served in operations and business development roles at AECOM. He started at AECOM as the Strategic Team Director for an atmospheric information collection program in Southern Iraq supporting Operation Iraqi Freedom and New Dawn. Mike led 11 teams in nine locations, providing real-time situational awareness to conventional and unconventional military units conducting foreign internal defense and counterinsurgency operations. Mike received the Commander’s Public Service Medal from the division commanding general for his exemplary service. Mike later served as Vice President of Major Captures, where he was responsible for capturing high-priority bids with significant strategic importance, including leading teams from across the corporation to pursue large infrastructure design, build, and operate opportunities for foreign governments.

Before joining AECOM, Mike served as an infantry officer in the United States Marine Corps. He held multiple leadership positions and led Marines deployed on the 31st and 11th Marine Expeditionary Units. While assigned to the Security Cooperation Education and Training Center, Mike was an advisor to Royal Saudi Marine and Naval Special Operations units.

Mike holds an undergraduate degree in International Relations from the United States Naval Academy. In addition, he has received language training from DLI and Middlebury College and is a graduate of the DISCS Security Cooperation Management Course.

Mike lives in Maryland with his wife Karen and son Jack.