Western Gas Partners, LP and Western Gas Equity Partners, LP announced that the boards of directors of their general partners have appointed Jaime R. Casas as Senior Vice President, Chief Financial Officer and Treasurer of the Partnerships effective immediately. He will succeed Benjamin M. Fink, who was recently named President and Chief Executive Officer of the Partnerships. Prior to joining Western Gas, Mr. Casas served as Senior Vice President and Chief Financial Officer of Clayton Williams Energy Inc. Previously, he served as Vice President and Chief Financial Officer of the general partner of LRR Energy, L.P.