Ryan Spencer is Chief Executive Officer of Dynavax, and a member of its board of directors, where he leads the vaccine company’s mission to help protect the world against infectious diseases. He first joined Dynavax in 2005 and, during his fourteen-year ascent to CEO, served in various positions with increasing responsibility across commercial, finance, investor relations, and corporate strategy. As Senior Vice President of the commercial organization, Mr. Spencer led the successful commercial launch of the industry’s first and only two-dose hepatitis B vaccine – HEPLISAV-B® – in 2018. In December 2019, he was appointed CEO and, in the wake of the COVID-19 pandemic, led the supply of Dynavax’s CpG 1018® adjuvant for nearly 1 billion COVID-19 vaccine doses to vaccine developers around the world. Under Mr. Spencer’s tenure as CEO, the company has established HEPLISAV-B® as the leader of the adult hepatitis B vaccine market in the U.S., secured product approvals in the European Union and Great Britain, advanced three novel vaccine clinical candidates, and grown its employee base by more than 75 percent. Prior to joining Dynavax, he served as Assistant Controller at QRS Corporation and as a member of the audit practice at Ernst & Young. Mr. Spencer is an active member of the Biotechnology Innovation Organization (BIO) and serves as a member of the board of directors for Dynavax and Cidara Therapeutics. He earned a Bachelor of Arts in Business Economics from University of California, Santa Barbara.