James H. Ross
Rodney B. Alberts
Wilhelmina M. EstevezĀ 

Wilhelmina M. Estevez
Mrs. Estevez is Chief Financial Officer and Manager of M.I.S for Rossrock since its inception in 1992. From 1970-1992, Wilhelmina was a controller with The Howard Oil Company in New York. She is a certified public accountant in the Philippines, and was a senior auditor with Carlos J. Valdes & Co., a CPA firm in Manila, Philippines from 1967-1970. Wilhelmina has a B.S. in Accounting from Assumption College, Philippines, graduating Magna Cum Laude.