Charles Calleros’ research interests include the intersection of race and gender discrimination and free speech; various issues regarding legal education, and international and comparative contract law. At ASU, he teaches Contracts, International Contracts, and Civil Rights Legislation. At the Universite Paris Descartes, he annually teaches short courses in Common Law Legal Method, Comparative and International Contracts, and International Conflict of Laws. 

Professor Calleros has twice served as chair of ASU’s Campus Environment Team, designed to foster tolerance and free speech, and has presented programs on this subject nationally. In 1997, with other team members, he shared the ASU President’s Award for Team Excellence, the President’s Award for Innovation, and the Governor’s Award for Excellence. Prior to joining the College faculty in 1981, he clerked for Circuit Judge Procter Hug Jr., of the U.S. Court of Appeals. Professor Calleros is past-President of Region XIV of the Hispanic National Bar Association. He has helped organize and implement outreach and mentoring programs that reach from attorneys to students in law school, college and elementary and secondary schools. 

Professor Calleros is a co-founder and drummer in the rhythm-and-blues band, Repeat Offenders.