11 highly successful people who went to public universities

The former CEO of Twitter graduated from the University of Michigan in 1985 with a degree in computer and communication sciences. Costolo is currently a partner at venture capital firm Index Partners.

Billionaire business investor Warren Buffet originally started college at the University of Pennsylvania, but transferred home and completed a degree in business administration at the University of Nebraska–Lincoln.

Gupta, a neurosurgeon, author, and reporter, graduated from the University of Michigan with a bachelor's degree in biomedical sciences.

Former Vice President Joe Biden graduated from the University of Delaware in 1965 with a major in history and political science.

The 38th president of the US graduated from the University of Michigan in 1935 with a Bachelor of Arts in economics.

Hayley, a United States Ambassador to the United Nations and former governor of South Carolina, graduated from Clemson University in 1994 with a bachelor's degree in accounting.

Page, cofounder of Google, graduated from Michigan in 1995 with a degree in computer engineering.

The comedian and television host attended the College of William & Mary located in Williamsburg, Virginia, and graduated in 1984 with a psychology degree.

Rep. Maxine Waters of California graduated from California State University, Los Angeles in 1970 with a degree in sociology.

Secretary of State Rex Tillerson received a degree in civil engineering from the University of Texas at Austin in 1975.