Professor Mauet directs the Trial Advocacy Program and teaches Evidence, Pretrial Litigation, and Trial Advocacy. For ten years, Professor Mauet practiced as a trial lawyer in Chicago. He was a prosecutor with the Cook County State's Attorney and the United States Attorney offices. He was a commercial litigator and specialized in medical negligence litigation with the firm of Hinshaw & Culbertson. During these years, he also was an adjunct faculty member at Loyola and Chicago-Kent law schools, teaching criminal law and trial advocacy.

Professor Mauet is a leading authority on trials. His latest book is Trials: Strategy, Skills, and the New Powers of Presentation. His other books include: Trial Techniques (6th ed.), Materials in Trial Advocacy (5th ed.), Pretrial (6th ed.), and Trial Evidence (3rd ed.), all published by Aspen Publishing. Trial Techniques is the leading text in the field and has Canadian, French, New Zealand, Australian, and Chinese editions. Professor Mauet was an Arizona Superior Court Judge pro tem in 1987–1988 and in 1988–1989 taught at George Washington University as the Howrey Professor of Trial Advocacy. He has also served as a visiting faculty member at Harvard Law School’s trial advocacy program and at Washington University. He is a co-founder of the Arizona College of Trial Advocacy. He is a former regional director of the National Institute for Trial Advocacy (NITA) and has taught in numerous NITA programs throughout the United States since 1976.

Professor Mauet’s research interests center on the application of social science research, particularly in psychology and communications, to the jury trial process.