Jon Jacobsen

Jon Jacobsen, Ph.D., serves as Aclaris’ Vice President, Chemistry, and has more than 30 years of experience in the pharmaceutical industry.

Prior to joining Aclaris, Jon served as Director of Chemistry at Confluence Life Sciences, Inc. since 2011. He has also held multiple science and leadership positions at Pfizer and legacy companies including that of a senior fellow, chemistry director, as well as in project and chemistry team leadership roles for drug discovery projects. Over his career, Jon worked on multiple projects within CNS, cancer, cardiovascular, and inflammatory disease areas. He successfully led teams that advanced a number of compounds from discovery to clinical development and worked closely with development teams to advance candidates. During the last twelve years, his research has focused on the inhibition of multiple kinase targets involved in cancer and inflammation pathways. He has co-authored more than 50 peer-reviewed publications and is listed as a co-inventor on more than 50 patents.

Jon received his Bachelor of Science in chemistry from Harvey Mudd College and a Doctor of Philosophy in synthetic chemistry from the University of California, Irvine. He also carried out post-doctoral studies at the University of Geneva in Switzerland.