Born and raised in Ciudad Juarez, Mexico, Sergio graduated from the Universidad Autónoma de Ciudad Juarez in International Trade in 1990. After several years working in Logistics for UPS, Sergio decided to study Law in Mexico, and graduated from the Centro Cultural Universitario.In 2011, Mr. Diaz became a member of the Paralegal and Licensing Division of The Arizona Supreme Court, and in 2018 Sergio he finished his Master’s Degree in Laws in the U.S. Law from the Washington University of St Louis, MO.

Sergio has extensive experience in Immigration Law and has helped thousands of families with U Visas, T Visas, family reunification, Green Cards and Citizenship. He broadcasts free online citizenship classes every week, via social media.Sergio is based in Phoenix, AZ, where he leads the Immigration Division of CO Law, and oversees the immigration operation in Mexico.

Sergio is also a writer and has published several children’s books, through which he tries to share the values of friendship, love and equality.