Clay B. Siegall – Co-Founder of Seattle Genetics
When you’re in your 20s, you think you know everything. When you’re in your 30s, you kind of realize you don’t. Now, I’m in my 40s, and I know I don’t know much. Clay B. Siegall, Ph.D., co-founded Seattle Genetics in 1998 and is the company’s President, Chief Executive Officer…