Peter WT Pisters, M.D., MD Anderson’s fifth full-time president, began his role Dec. 1, with a renewed spirit of unity and excitement. Like each of us here, Pisters feels a deep connection to MD Anderson, our mission and the patients we serve.

Pisters built his career here for 20 years as a cancer surgeon, researcher, professor and administrator. He left in 2014 to oversee the University Health Network, affiliated with the University...