Tom_Kivisto
Tom Kivisto is an American businessman who co-founded SemGroup, L.P. in April 2000 and served as the company's president and chief executive officer until July 18, 2008.[lower-alpha 1] Under his leadership, SemGroup completed more than 40 acquisitions and its total assets grew from $227.4 million in 2000 to more than $3.6 billion at year-end 2005. Kivisto was replaced by Terry Ronan on July 18, 2008, after news surfaced that SemGroup, L.P. was experiencing liquidity issues and considering filing for Chapter 11 bankruptcy.[2][3]