Mark Alessi is an American businessman who has been the CEO of a number of companies, most notably as founder of comic publisher CrossGen where he created a number of the titles.
Alessi's first major company was Technical Resource Connection, Inc, which he founded in 1986. He was CEO of this company until 1996, at which time the company was sold to Perot Systems Corporation. He later, in 1998, became founder and publisher of CrossGen comics, which subsequently liquidated in 2004 and the company and its assets were sold to Disney. He is now the CEO of TOA Solutions, Inc, a company that he founded in 2004.