Tennant graduated from the University of Wisconsin–Madison in 2000 with degrees in political science and journalism.
While at Madison, he served as Editor in Chief of the Badger Herald, America's largest independent daily student newspaper.
The Official Filthy Rich Handbook—a satirical guide to fitting in with America’s “top .0001 percent”—was pitched as a “quasi-sequel”[1] to the best-selling 1980 classic The Official Preppy Handbook, also published by Workman.
Tennant began his journalism career after graduating college in 2000, when he was hired by Maer Roshan as a personal assistant at New York magazine.
[5] In 2016 he was hired as Executive Editor of Harper’s Bazaar but left the magazine a year later.