Washington, D.C.—Effective January 1, 2009, FierceMarkets president and founder Jeff Giesea will hand over the presidency to current COO Sean Griffey. Giesea, who launched the b-to-b e-media company in April 2000, will leave the firm at that time. FierceMarkets was acquired in January 2008 by Questex Media Group. Griffey joined FierceMarkets in March 2005 after nearly ten years as a strategy consultant for A.T. Kearney and PricewaterhouseCoopers. He was named COO in January 2006.