Board of Directors

Christopher Shackelton

Chairman of the Board

Christopher S. Shackelton has served as a director since 2012. Mr. Shackelton was appointed Chairman in 2012 and served as Interim CEO in 2015. Mr. Shackelton is managing partner and co-founder of Coliseum Capital Management, a private investment firm that invests with a long-term orientation in undervalued companies. Mr. Shackelton also serves on the boards of BioScrip, Universal Technical Institute, and Lazydays Holdings, as well as a number of private companies. Mr. Shackelton was previously Chairman of Rural/Metro Corp, and served on the boards of LHC Group, Advanced Emissions Solutions, and Interstate Hotels. Mr. Shackelton is actively involved in multiple charitable organizations, including as Chairman of The Connecticut Open. Previously, Mr. Shackelton worked at Watershed Asset Management and Morgan Stanley. Mr. Shackelton received a bachelor’s degree from Yale College in 2001.

Todd Carter


Todd J. Carter has served as our director since 2016. Mr. Carter is Co-President and Chief Executive Officer of GCA Savvian Advisors, a global independent investment banking firm, and serves on the firm’s board of directors. He has served in these roles since 2008, and is a co-founder of the firm. Previously, Mr. Carter served as Chairman, President and Chief Executive Officer of Savvian Inc. and Perseus Group. Prior to 2003, he was President of Robertson Stephens & Company Inc., a global investment banking and asset management firm, and served on the firm’s board of directors. Earlier in his career, Mr. Carter was employed by McKinsey & Company and Smith Barney Inc. Additionally, Mr. Carter has served on a number of company, advisory and non-profit boards of directors. Mr. Carter received a bachelor’s degree from the University of Texas and a master of business administration degree from Harvard University.

David A. Coulter


David A. Coulter has served as our director since 2016. Mr. Coulter is a Special Limited Partner of Warburg Pincus. During the past 10 years, he served in roles at Warburg Pincus including Vice Chairman as well as Managing Director and senior advisor focused on the firm’s financial services investment activities. Prior to that, Mr. Coulter held a series of positions at J.P. Morgan Chase and was a member of its Office of the Chairman. He also served as Chairman and Chief Executive Officer of BankAmerica Corporation. Mr. Coulter is a director of Santander Asset Management, Triton Container International and Varo Money. He is also a board member of Lincoln Center, Carnegie Mellon University, Third Way and the Northern California Asia Society. Mr. Coulter received a bachelor’s degree and master’s degree from Carnegie Mellon University.

Daniel E. Greenleaf


Daniel E. Greenleaf was appointed President and Chief Executive Officer of Providence and LogistiCare in December 2019. Mr. Greenleaf is an innovator across the healthcare industry who brings over 25 years of experience successfully transforming healthcare companies through periods of growth. He recently served as President and CEO of BioScrip, Inc. ("BioScrip"), the largest independent provider of infusion and home care management solutions, where he spearheaded the turnaround and successful merger with Option Care Health (Nasdaq: BIOS). Prior to BioScrip, he was the CEO and Chairman of Home Solutions Infusion Services where he led the turnaround and eventual sale to BioScrip. Before Home Solutions Infusion Services, Mr. Greenleaf was the President and CEO of Coram Specialty Services, where he was instrumental in growing Coram to become the top-performing home infusion company in the country prior to its sale to CVS. Mr. Greenleaf graduated from Denison University with a Bachelor of Arts in Economics and holds a Master of Business Administration in Health Administration from the University of Miami. He is a military veteran, having served as captain and navigator in the United States Air Force.

Richard A. Kerley


Richard A. Kerley has served as our director since 2010, chairperson of the Compensation Committee since 2011 and chairperson of the Audit Committee since June 2018. Mr. Kerley served as Senior Vice President, Chief Financial Officer and member of the board of directors of Peter Piper, Inc., a privately-held pizza and entertainment restaurant chain, from November 2008 to December 2014, when he retired. From July 2005 to October 2008, Mr. Kerley served as the Chief Financial Officer of Fender Musical Instruments Corporation. From June 1981 to July 2005, Mr. Kerley was an audit partner with Deloitte & Touche LLP. Prior to becoming a partner at Deloitte & Touche, Mr. Kerley served as an audit manager and staff accountant from August 1971 to June 1981. Mr. Kerley also serves on the board of The Joint Corp., a publicly traded operator, manager and franchisor of chiropractic clinics. He received a bachelor’s degree in accounting from Marshall University in 1971.

Leslie V. Norwalk


Leslie V. Norwalk has served as our director and Chairperson of the Nomination and Governance Committee since 2015. Since September 2007, Ms. Norwalk has served as Strategic Counsel to Epstein Becker & Green, P.C. From 2001 to 2007, Ms. Norwalk served the Bush Administration in the Centers for Medicare & Medicaid Services (CMS). From 2006 to 2007, she was the Acting Administrator, where she managed the operations of federal health care programs, including Medicare and Medicaid. For the four years prior to that, she was the agency's Deputy Administrator. Prior to serving the Bush Administration, Ms. Norwalk practiced law with Epstein Becker & Green, P.C. where she advised clients on a variety of healthcare policy matters. She also served the first Bush administration in the White House Office of Presidential Personnel and the Office of the U.S. Trade Representative. Ms. Norwalk is currently a director on the public company boards of NuVasive Inc. and Endologix, Inc. She also serves as an Advisor to Warburg Pincus, Enhanced Equity and Peloton Equity. She received a bachelor’s degree from Wellesley College and a juris doctor degree from George Mason University School of Law.

Frank J. Wright


Frank J. Wright has served as our director since 2016. Mr. Wright is founder of the PharmaTrust, a firm that provides advisory services to companies and investors engaged in healthcare services and pharmaceutical development and manufacturing. He has almost 40 years of experience in the chemical and pharmaceutical industries. He served as a senior executive of Alexion Pharmaceuticals LLC from 2012 to 2014, as President of European operations, and is a co-founder of Aptuit, an integrated drug development services company. Prior to that, Mr. Wright held a variety of executive positions in multiple pharmaceutical companies, including Glaxo Wellcome (now GlaxoSmithKline). He is a director of Laurus Labs Private, Limited, Laurus Synthesis Inc., Exela Pharma Sciences and ZenQMS. Mr. Wright received a mechanical engineering degree from the University of Strathclyde, Glasgow.