investor-relations
Investor Relations

Committee Composition

  Audit Compensation and Benefits Nominating and Governance
Edward B. Cloues, II     Member of Nominating and Governance Committee
John U. Clarke Member of Audit Committee Committee Chair for Compensation and Benefits Committee Member of Nominating and Governance Committee

Mr. Clarke has served as President of Concept Capital Group, Inc., a financial and strategic consulting firm founded by him in 1995, since November 2009, a position he also held from 2001 to 2004 and from 1995 to 1996. From 2004 until its sale in November 2009, Mr. Clarke served as Chairman and Chief Executive Officer of NATCO Group Inc., an oil services company. Previously, Mr. Clarke served as Managing Director of SCF Partners, a private equity investment firm (2000 to 2001), Executive Vice President and Chief Financial Officer of Dynegy, Inc., an energy trading company (1997 to 2000), Managing Director of Simmons & Co. International, an energy investment banking firm (1996 to 1997), and Executive Vice President and Chief Financial and Administrative Officer of Cabot Oil & Gas Corporation, an oil and gas exploration and production company (1993 to 1995). He was employed by Transco Energy Company, an interstate pipeline company, from 1981 to 1993, last serving as Senior Vice President and Chief Financial Officer, and by Tenneco Inc., an interstate pipeline company, from 1977 to 1981 in the finance department. In the last five years, Mr. Clarke has served on the boards of directors of Harvest Natural Resources, Inc. (October 2000 to May 2008), The Houston Exploration Company (December 2003 to June 2007) and NATCO Group Inc. (February 2000 to November 2009).


Steven W. Krablin Member of Audit Committee Member of Compensation and Benefits Committee Member of Nominating and Governance Committee
Marsha R. Perelman Member of Audit Committee   Committee Chair for Nominating and Governance Committee
Gary K. Wright Committee Chair for Audit Committee Member of Compensation and Benefits Committee Member of Nominating and Governance Committee
Committee Chair = Chair Committee Member = Member

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SymbolPVAH ExchangeOT
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