Q3 T2Bmeet @ SF 2026

Since joining Exelixis in 2020, Kathleen Brennan has been a driving force behind the company’s Employee Giving and Volunteer Programs, helping expand Exelixis’ impact in the communities where employees live and work. As a member of the Public Affairs team, Kathleen supports both internal and external communications initiatives, helping to strengthen employee engagement and enhance the company’s reputation among key stakeholders. She also serves as a brand ambassador, representing Exelixis through local outreach efforts and community-based initiatives.

Kathleen manages the company’s charitable contribution program focused on local community support donations and sponsorships and has played a key role in creating opportunities for employees to make a meaningful impact through a broad range of volunteer and giving programs.

Prior to joining Exelixis, Kathleen held communications and public affairs roles with Delta Dental of California, Kaiser Permanente, and the Office of U.S. Senator Barbara Boxer. She holds a Bachelor of Arts in Political Science and French from San Francisco State University and an MBA with a concentration in Public Relations from Golden Gate University.

Lindsay Treadway is the Vice President of Public Affairs & Advocacy Relations at Exelixis. She joined the company in April 2016 to help drive Exelixis’ corporate communications and advocacy strategy. In her role, Lindsay focuses on bringing to life the significant contributions the company is making for people impacted by cancer. Lindsay also oversees Exelixis’ charitable contribution program, which is focused on supporting like-minded advocacy organizations serving patients, caregivers and the local community. She has worked on the development and execution of the communications strategy supporting Exelixis’ growing pipeline and multiple product launches, including treatment options serving patients with renal cell carcinoma, hepatocellular carcinoma, thyroid cancer and neuroendocrine tumors. Prior to joining Exelixis, Lindsay was at Onyx Pharmaceuticals and Millennium Pharmaceuticals, where she occupied roles of increasing responsibility in the companies’ corporate affairs departments. She has also worked at multiple public relations agencies, where she began her career supporting clients in the biotechnology and pharmaceutical industry. Lindsay holds a B.S. in Communications and Biology from Boston University.