Roberto Hernández Ramírez Mexicana de Valores, S.A. de C.V. (Mexican Stock Exchange) - 1974 to 1979, Director - 1972 to 2003; Member of the International Advisory Committee of the Federal Reserve Bank of New York - 2002 to present; Chairman, Asociacion Mexicana de Bancos (Mexican Bankers Association) - 1993 to 1994; Member, Bolsa Mexicana de Valores, S.A. de C.V. - 1967 to 1986; Director of Citigroup since from 2001 to 2009; Other Directorships: GRUMA, S.A. de C.V. and Grupo Televisa, S.A.; Hernández Ramirez received a bachelor's degree in business administration from the Ibero-American University (1964), co-founded "Acciones y Valores de México (Accival)" in
Rancho Bolsa de San Cayetano Alameda in 1842. With the cession of California to the United States following the Mexican-American War, the 1848 Treaty of Guadalupe Hidalgo provided that the land grants would be honored. As required by the Land Act of 1851, a claim for Rancho Bolsa de San Cayetano was filed by José de Jesús Vallejo with the Public Land Commission in 1852 and confirmed by the US District Court in 1856. Vallejo unsuccessfully appealed the official survey to the US Supreme Court, and the grant was patented in 1865. A claim for half of the grant to José Dolores Pico was filed