Clay Siegall; Entrepreneur, Scholar, and Medical Researcher

Clay Siegall is the CEO of Seattle Genetics. Ideamensch recently interviewed Clay. He said that Seattle Genetics arose from a need to improve the tools that oncologists use to treat cancer. His father had cancer. This prompted him to try and find a way to help other cancer patients. Siegall said that the sole mission of the company is to assist patients. They try to do this in the best way possible. He mentioned that the fact that the firm helped people is what made him wake up happy every day.


Clay Siegall advised entrepreneurs to learn as much as they can while they are young. He noted that it was easy for young people to fall into the trap of thinking that they know everything. He also advised them to interact with a lot of smart individuals who have experience in their fields. Siegall stated that the strategy that had helped his company to grow was partnering with other top businesses in the field. He said that these collaborations eventually led to the development of better oncology drugs and the generation of new ideas.


Siegall is the chairman of the board and president of Seattle Genetics. Siegall cofounded the medical research company in 1998. He earned a degree in Zoology from the University of Maryland. He has a Doctorate in Genetics from George Washington University. The company developed the first antibody drug conjugate to be approved by the FDA, ADCETRIS.

The drug is sold in more than fifty countries around the world today. Clay was instrumental in the formation of partnerships with other pharmaceutical companies including AbbView, Genentech, and GlaxoSmithKline. He is a distinguished medical researcher. He has published more than fifty papers. His ability to come up with new ideas has helped him to receive fifteen patents to date.


Siegall is a member of the boards of several companies including Washington Roundtable, Ultragenyx Pharmaceutical, and Alder BioPharmaceuticals. He received the University of Maryland Alumnus award of the year in the science and math category in 2013. He was also named the Pacific Northwest Ernst & Young Entrepreneur of the year in 2012.