Carin M. Barth has served as one of our directors since February 2017. She is co-founder and President of LB Capital, Inc., a private equity investment firm established in 1988. Ms. Barth serves on the Board of Directors of Enterprise Holdings, LLC, the General Partner of Enterprise Product Partners, L.P., one of the largest publicly traded partnerships and a leading North American provider of midstream energy services to producers and consumers of natural gas, and Black Stone Minerals, L.P., one of the largest oil and gas mineral and royalty companies in the United States, where she serves as Chair of the Audit Committee. Ms. Barth also serves as Chair and a Trustee of the Welch Foundation, and as a Board member of the Ronald McDonald House in Houston, Texas. From 2012 through 2018, Ms. Barth served as Chair of the Investment Advisory Committee for Texas Tech University. From 2008 to 2014, she served as a Commissioner for the Texas Department of Public Safety. Ms. Barth previously served on the Board of Directors of Halcón Resources, an independent energy company engaged in the acquisition, production, exploration and development of onshore oil and natural gas properties in the U.S. from April 2019 to October 2019. She also served on the Board of Directors of Bill Barrett Corporation where she served on the Compensation Committee and on the Nominating and Corporate Governance Committee from 2012 through 2016. From 2010 through 2017, she served on the board of directors of Strategic Growth Bancorp Incorporated, a privately held bank holding company located in El Paso, Texas, where she served as Chair of the Audit Committee, and Capital Bank, SSB, an affiliate of Strategic Growth Bancorp. Additional past board service includes Western Refining, Inc. from 2006 through 2016, where she served as Audit Committee Chair, Methodist Hospital Research Institute from 2007 through 2012, Encore Bancshares, Inc. from 2009 through 2012, Amegy Bancorporation, Inc. from 2006 through 2009, Texas Public Finance Authority from 2006 through 2008, and the Texas Tech University System Board of Regents from 1999 through 2005. Ms. Barth was also appointed by President George W. Bush to serve as Chief Financial Officer of the U.S. Department of Housing and Urban Development from 2004 to 2005. Ms. Barth received a B.S. from the University of Alabama and an M.B.A. from Vanderbilt University’s Owen Graduate School of Management.