Dr. Alejandro Aguirre Wallace was born in 1954 in the city of San Diego, California, USA. He studied medicine at the "Universidad La Salle," in the city of Mexico D.F. Soon afterwards, he did a specialty at the General Hospital of the Secretaria de Salud (Secretary of Health), and became a general surgeon in the year 1983.

He practiced at the Sharp Cabrillo Hospital, in San Diego, California USA, under the education of Dr. Richard Catlin, and specialized in bariatric surgery.

Dr. Aguirre always performs the Bariatric Surgery with stomach separation. Currently he continues to pratice the same technique with some small differences that improve surgical time, and with better and prolonged weight loss results in the long term.

At the present moment, he's a member and founder of the Mexican Society of the Surgery of Obesity and a member of the International Federation for Obesity Surgery