Alejandro Granado
Chairman, President and Chief Executive Officer

Alejandro Granado graduated with a degree in engineering/refining processes from the Ploiesti Oil and Gas Institute in Romania in 1981; he holds an m.s. in refining/petrochemicals from the same institution.

He began his career in the oil industry in 1981 with Intevep's Processes Development department. In 1985, he became resident engineer for the BTX project in Chicago. In 1987, he began working for Veba Oel in Germany as a process engineer.

In 1990, he was assigned to British Petroleum in London as a leader in the Process Engineering unit dedicated to the Oxygenates Project for the el Palito and Amuay Cardon refineries.

Between 1991 and 1997 he held different supervisory and managerial positions in the Process Engineering department of Intevep. He was later transferred to CITGO Petroleum Corporation, where he acted as Technology Manager at the Lemont Refinery.

In 2000, he became the manager for PDVSA's Process Engineering Department. He subsequently became Manager of Conceptual and Basic Engineering, a position he held until December 2002, when he became General Assistant Manager of Refining in Puerto La Cruz, Venezuela.

In July 2003, PDVSA's Board of Directors approved his appointment as Managing Director of Refining for PDVSA's Eastern Division. In June 2004, he was appointed Managing Director of Domestic and International Refining, and he has been Vice President of PDV Marina since 2004.

In January 2005, he was appointed Vice President of PDVSA, responsible for the refining area both at a domestic and international level. Also in early 2005, he was appointed Chairman of the Board of Directors of CITGO Petroleum Corporation.

On May, 18, 2007, he was appointed President and CEO of CITGO Petroleum Corporation and retained his position as Chairman of the Board of Directors of the company.

Bill Hatch
Vice President Supply and Marketing

As Vice President Supply and Marketing, Bill Hatch is responsible for the supply of crude and intermediate feedstocks into the CITGO refining system, and the distribution of products to CITGO's terminals. He also oversees the company's marketing efforts.

Hatch is a graduate of Tulane University with a degree in chemical engineering and McNeese State University with a master's of business administration. He joined CITGO in 1975, beginning his career at the Lake Charles Refinery as a process engineer and then advancing through several technical and operations supervisory and management positions. Hatch became vice president supply and distribution in September 2004.

Daniel Cortez
Vice President, Government and Public Affairs

Daniel Cortez graduated with a bachelor's degree in communications and journalism from the Andrés Bello Catholic University (UCAB) in Caracas, Venezuela, in 1991. Subsequently, he pursued postgraduate studies in organizational communications at the same university, which he completed in 1999. Between 1995 and 2003, he was a professor of institutional communications at UCAB's Communications School.

He began his career with PDVSA, the national oil company of the Bolivarian Republic of Venezuela, in January, 1992, and has served in a variety of supervisory and managerial positions at PDVSA, with an emphasis on corporate communications.

He has been head of communications for the refining, supply and marketing division (1998-1999) and communications and international relations advisor at PDVSA headquarters (2000-2005). In May, 2005, he was named communications manager (2005-2006) and later became international communications manager (2006-2007), before being appointed to his current position as CITGO's vice president for government and public affairs.

Phil Reedy
Vice President Finance

Phil Reedy became CITGO's treasurer in June 2004 before accepting the position of vice president of finance in June 2006. In his previous position, Reedy's responsibilities included cash management activities, debt negotiations and debt compliance reporting.

A Certified Public Accountant in Oklahoma and Texas, Reedy earned his bachelor's degree in business administration from the University of Tulsa before receiving a master's in finance at the University of Miami. He began his career in the cash management department of Cities Service Company in 1981, then became manager of Cash Management for The Southland Corporation upon Southland's purchase of CITGO in 1983.

Reedy returned to CITGO in 1986 as manager of liquidity and has since served in a number of other capacities including manager of crude oil accounting, business manager for jointly owned Nelson Industrial Steam Company (NISCO), manager of crude oil acquisition and marine transportation, and business manager for the company's petrochemicals business unit. He was general manager of petrochemicals and industrial products prior to serving as treasurer.

Rixio Medina
Vice President Health, Safety, Security, Environmental Protection and Shared Services

As CITGO's Vice President, Health, Safety, Security, Environmental Protection and Shared Services, Rixio Medina is responsible for overseeing CITGO's health services, safety, information and corporate security and environmental protection functions. Medina also oversees the information technology and corporate services departments and is responsible for ensuring they provide efficient, reliable services.

Since joining CITGO in 1992, Medina has served as manager, corporate health, safety and security, manager of health and safety at the Corpus Christi Refinery and the Lake Charles Manufacturing Complex, and manager, corporate process safety management. In 2003, Medina left CITGO to serve as a presidential appointee on the U.S. Chemical Safety and Hazard Investigation Board in Washington, D.C. He then returned to CITGO in August 2004.

Medina is a graduate of Oklahoma State University with a bachelor's degree in engineering technology fire protection and safety and Central Missouri State University with a master's degree in industrial security. He is a Certified Safety Professional in Comprehensive Practice and a Certified Protection Professional, Board Certified in Security Management.

Eduardo Assef
Vice President and General Manager Corpus Christi Refinery

Eduardo Assef started his career in the oil refining industry in Venezuela in 1985 with PDVSA.

Assef holds a bachelor's degree in mechanical engineering from Universidad de Carabobo (Venezuela) and received his master's degree in oil refining, gas and petrochemical with the French Petroleum Institute and the Universidad Metropolitana.

At PDVSA, Assef held several positions of increasing responsibility in the areas of project, maintenance, process engineering and operations. In 1999 he was transferred to CITGO's Corpus Christi Refinery, where he has held positions in the technical and operational areas. In October of 2004 he was appointed as the General Manager of Operations and Maintenance at the Corpus Christi Refinery. In April of 2006 he became the Vice President and General Manager of the Corpus Christi refinery.

Randy Carbo
Vice President, Lemont Refinery

Randy Carbo joined CITGO in 1976 as a process engineer at the Lake Charles Manufacturing Complex. He held several supervisory and managerial assignments at Lake Charles and at CITGO's former Tulsa headquarters, including operations area manager (Lake Charles) and general manager of lubricants operations (headquarters). He later served as general manager of operations and maintenance at Corpus Christi, as well as general manager of engineering and technical services at Lake Charles before becoming vice president and general manager of the Corpus Christi Refinery in December 2004. He then became vice president and general manager of the Lake Charles Manufacturing Complex in April 2006 and was appointed vice president and general manager of the Lemont Refinery in February 2008.

Carbo received a bachelor's degree in chemical engineering from Louisiana State University, followed by graduate level studies in business administration at McNeese State University.

Bob Kent
Vice President, Lake Charles Manufacturing Complex

Bob Kent joined CITGO in 1999 as an engineering consultant at the Corpus Christi Refinery. He held several managerial and supervisory positions at Corpus Christi and in Houston before being appointed vice president and general manager of the Lemont Refinery in September, 2006. He was then appointed vice president and general manager of the Lake Charles Manufacturing Complex in February 2008.

Bob holds a bachelor's degree in chemical engineering from the University of Wisconsin and a master's in business administration and finance from the University of Minnesota.

Wladimir Noriega
General Auditor

As General Auditor, Wladimir Noriega leads CITGO's audit group in directing a program of company audits to evaluate operating, administrative and financial controls and to test the adequacy of operating and accounting systems.

Noriega is a Certified Internal Auditor (Institute of Internal Auditors) with more than 30 years of audit experience. After obtaining a bachelor's degree in business and a master's degree in business administration from Emporia State University in Kansas, Noriega began his audit career as a financial auditor for the Comptroller General's Office in Caracas, Venezuela.

He later joined PDVSA affiliate Maraven serving as financial administrative auditor, internal audit supervisor and internal audit manager. He also served PDVSA affiliate Bariven as financial administrative resident auditor and held the position of international business audit manager for PDVSA until joining CITGO in 2003.

Maritza Villanueva
Treasurer

Maritza Villanueva became CITGO's Treasurer in June 2006. In this position, her responsibilities include cash management activities, debt negotiations and debt compliance reporting.

Villanueva joined CITGO in 2003 from CITGO parent company Petróleos de Venezuela, S.A. (PDVSA), where she held several positions of financial responsibility including functional manager of treasury and manager of financial operations. She has more than 20 years of financial management experience in the energy business. Villanueva holds a bachelor's degree in public accounting from the Universidad Católica Andres Bello in Caracas, Venezuela and a master's degree in administrative sciences from the Universidad de Oriente in Puerto La Cruz, Venezuela.

John Butts
Corporate Controller

John Butts joined CITGO in 1991, having previously worked for Champlin Refining and Chemicals Inc. and Champlin Petroleum (subsidiaries of Union Pacific Corporation). He has served in numerous capacities within CITGO, including feedstock accounting manager, bank operations manager and manager of general accounting, prior to assuming his present position. Butts holds a bachelor's degree in accounting from Phillips University in Enid, Okla., and completed the requirement for CPA certification in the State of Oklahoma in 1981.

Dean M. Hasseman
General Counsel

Hasseman holds a juris doctor degree from the University of Virginia School of Law, a bachelor's degree in political science from Northeastern University in Boston, Mass., and a certificate from The Executive Program from the Darden Graduate School of Business at the University of Virginia. He joined CITGO Petroleum Corporation in 1991 as senior corporate counsel after holding positions in the oil and gas industry including senior attorney with Sun Company, Inc. and general counsel with Williams Pipe Line Co. He is admitted to practice law in Texas, Oklahoma, and Pennsylvania.