Edward F. Brennan, PhD has been a Kilroy Realty director since 2003, served as the company's Lead Independent Director from 2014 to 2024, and as Chair of the Board from 2025 to 2026 before Gary Stevenson succeeded him; he continues as an independent director and chairs the Audit Committee. He brings more than 30 years of executive and board experience with public and private companies in the health sciences and medical industries, including as Acting CEO of Abram Scientific and CEO of Nexus Dx and CryoCor. He holds bachelor's degrees in Biology and Chemistry and a PhD in Biology from the University of California, Santa Cruz.