Don is a medical scientist / entrepreneur with deep experience in both BioTech and large Pharma. Most recently he was the CEO of Nimbus Therapeutics, a computational sciences-based drug discovery BioTech focusing on immunology, metabolic diseases and oncology. Prior to that, he spent 25 years at Merck, culminating his career there as VP & Worldwide Discovery Head for multiple therapeutic areas (immunology, respiratory, endocrine, bone, muscle, urology & anemia). He received his Ph.D. in Biochemistry from the University of Western Ontario, and trained as an MRC post-doctoral fellow at the University of Munich. Don has co-authored more than 150 publications and is the recipient of multiple academic and professional honors. He is also a member of the Board of Directors of Kymera, Generation Bio, Jnana and NodThera.