Andrew B. Hersh

Andrew Hersh is a business leader focused on creating new growth platforms within the global insurance brokerage industry. He specializes in transforming legacy, slow-growth portfolios into high-velocity markets by aligning insurance, capital, and strategic industry ecosystems around sectors critical to national security. His approach positions insurance brokerage as a strategic enabler of success, industrial expansion and investment. By supporting companies operating in defense, dual-use technology, critical infrastructure, and government-aligned industries, Andrew helps organizations navigate risk, unlock capital, and accelerate deployment of technologies essential to national resilience and geopolitical competitiveness.

Prior to Willis, Andrew founded and built the largest independent risk services business globally, Sigma7 Risk, operating in 108 countries with offices on 5 continents. He also currently serves as Chairman of GRG Holdings, a success enablement business led by the military and government leaders that made up Andrew’s advisory board at Sigma7 Risk.

He has served as Special Risk Advisor to the U.S. Department of Energy’s Acting Director for ARPA‑E and has held senior fellow roles at George Washington University’s Center for Cyber & Homeland Security and Auburn University’s McCrary Institute. Hersh serves on the Board of Directors of Business Executives for National Security (BENS).