[3] Some of his ancestors were Spanish settlers from Corral de Almaguer, a municipality of Toledo, Castilla La Mancha,[1] and settled in New Mexico in 1598.

[3] He has been a member of the Advisory Committee for the U.S. Trade Representative's Services Policy, leading a number of U.S. delegations to Mexico.

He was a founding member of the Chamber of Commerce Albuquerque Hispano and the Board of the Congressional Hispanic Caucus Institute.

He was the founder, chairman, and chief executive officer of Advanced Sciences, Inc.,[1][4] an international environmental engineering and waste management corporation.

He continued as the president and director after the company merged with Commodore Applied Technologies, Inc.[1] Romero married Cayetana Garcia and they have four children and eight grandchildren.