Carin Barth joined Group 1 as an independent director in February 2017. Ms. Barth is co-founder and President of LB Capital, Inc., a private equity investment firm established in 1988. Ms. Barth currently serves as a director of Enterprise Holdings LLC, the General Partner of Enterprise Products Partners L.P. (NYSE: EPD), and Black Stone Minerals, L.P., where she is Chair of the Audit Committee (NYSE: BSM). Additionally, Ms. Barth is Chairman of the Investment Advisory Committee for the Endowment at Texas Tech University, a Trustee of The Welch Foundation, and a board member of the Ronald McDonald House of Houston. Ms. Barth previously served as a Commissioner of the Texas Department of Public Safety from 2008-2014, a director of the Texas Public Finance Authority from 2006-2008, and as a member of the Texas Tech University System Board of Regents from 1999-2005. She has previously served on the following boards: Bill Barrett Corporation (NYSE: BBG) from 2012-2016; Western Refining, Inc. (NYSE: WNR) from 2006-2016, where she also Chaired the Audit Committee; Methodist Hospital Research Institute from 2007-2012; Encore Bancshares, Inc. (NASDAQ: EBTX) from 2009-2012; and Amegy Bancorporation, Inc. (NASDAQ: ABNK) from 2006-2009. Ms. Barth was appointed by President George W. Bush to serve as Chief Financial Officer of the U.S. Department of Housing and Urban Development from 2004-2005. She received a B.S. from the University of Alabama summa cum laude and an M.B.A. from Vanderbilt University’s Owen Graduate School of Management.