The Principal/President
William Wallace Wade was the Head Football Coach at the University of Alabama in 1926.
chancellor
John Michelosen was the head football coach at the University of Pittsburgh from 1955-1965.
chancellor
University of Miami, Minnesota and Utah off the top of my head
The University of Iowa.
The head of the Department of Zoology at Udaipur University is Professor Maheep Bhatnagar. The Zoology department is part of the Faculty of Sciences, the head chairman also being Prof. Bhatnagar.
Dean
Amartya Sen was the first Asian become Head of Trinity College of Cambridge University.
Chris Mack was named to replace Sean Miller in 2009 when Sean Miller took the head coaching job at the University of Arizona.
The three head coaches prior to Urban Meyer at the University of Florida Gary Darnell Steve Spurrier Ron Zook
In the US, the Chancellor is in charge of a campus of the University. The Head of the overall University is the President. In the UK, the Chancellor is the owner of the University (for Oxford and Cambridge, a member of the Royal Family) but the day-to-day running is done by the Vice-Chancellor.