Kerry Kelleher is a highly accomplished scientist with a wealth of experience in the pharmaceutical industry. She has worked with Pfizer, one of the largest pharmaceutical companies in the world, both as a Scientist and a Principal Scientist. Kelleher's expertise lies in drug development and she has contributed significantly to several milestone projects. Her role as Principal Scientist at Pfizer allowed her to lead teams of scientists and oversee the development of new drugs. Kelleher is well-respected in her field and has made valuable contributions to the industry.