Mr. Strickland joined Vertex LP in late 2007. Mr. Strickland has over 21 years of experience in management roles developing companies in the recycling of used oils and fuel blending. In his various positions, he has developed used oil collection fleets, environmental service programs (non-hazardous), terminalling businesses for #6-oil from water ports and helped develop software for used oil collection operations. Mr. Strickland was the General Manager of Texpar Energy Inc. from 1999 to 2003 and Special Project Manager for Texpar Energy, L.L.C. from 2004 to 2007. From 1986 to 1999, he was the General Manager and Vice President of Sellers Oil Inc., then one of the largest recycling and fuel marketers of used oil and #6-fuel oil in the southeast.