Robert Frederick McDermott was an American professional basketball player in the 1930s and 1940s. He was known as an outstanding shooter and has been called "the greatest long-distance shooter in the history of the game" by contemporaries. His grandson is businessman Bill McDermott. McDermott was named to the Naismith Memorial Basketball Hall of Fame in 1988.

William R. McDermott is an American businessman and is currently CEO of ServiceNow. Before ServiceNow, he was the CEO of the technology company SAP SE. During his tenure as co-CEO and CEO, SAP's market value increased from $39 billion to $156 billion. McDermott, along with Joanne Gordon, wrote a memoir, Winners Dream: A Journey from Corner Store to Corner Office, and was awarded a gold medal for business memoir of the year by the Axiom Business Book Awards. McDermott began his role as CEO of ServiceNow in November, 2019.