Career
He has appeared on the television series Shark Tank and the American annual invention trade show Inpex 2012 as Keynote Speaker. Harrington created "his first infomercial in 1985", founding a company called Quantum International. He became the president of National Media and oversaw the launching of several successful infomercials.
After leaving National Media in 1994, he formed a "joint venture company with The Home Shopping Network" and "co-founded HSN Direct International Incorporated. and served as its Chief Executive Officer (Chief Executive Officer) and President" between 1994 and 1998.
In 2002, he became the President of Harrington Business Development Incorporated. and the Chairman of On television, Incorporated. That same year, he became the Vice Chairman and Director of Thane International Incorporated. and the Director of Reliant International Incorporated., leaving both positions in 2003.
In 2004, Harrington became the Chairman of Reliant Interactive Media Corporation and the Chief Executive Officer of ResponzeTV America, Limited Liability Company.
Harrington was the Director of Infusion Brands International, Incorporated. from 2006 to 2008. In 2007, he became the Chief Executive Officer of ResponzeTV Plc and the Executive Director of ResponzeTV Plc, leaving both positions in 2008.
Harrington was one of the original panel members and investors ("Sharks") on the American Broadcasting Company television series Shark Tank from its inception in 2009.
He left in 2011 after two seasons of the show. Harrington published his book, Acting Now: How I Turn Ideas into Million-Dollar Products in 2009. He serves as Chief Executive Officer of the Internet company TVGoods and Senior Executive Officer and Chairman of the Board of Directors for the company called As Seen On television, Incorporated.
Harrington has been the Director of Harrington Business Development Incorporated., since 2002.
He is an ex officio of the Electronic Retailing Association (European Research Area), Founders Circle. Kevin Harrington became the company spokesperson for InventHelp in April 2013.