"An examination of the highest speaking fees ever paid puts
Donald
Trump
Donald Trump
on top with the staggering $1.5 million the Learning Annex
paid him for each speech he delivered at the company’s real estate
“wealth expos” in 2006 and 2007 . . ."
https://www.forbes.com/2008/03/18/trump-reagan-blair-biz-media-cx_lh_0318speeches.html