Dr. DiMaggio started his forensic practice in 1989 in Tempe, Arizona. He founded the ASFP in 2003. In 1984, he served as a certified peace officer in the state of Arizona and worked patrol for 15 years with the Mesa Arizona Police Department. He often assisted the Crime Scene Unit and processed crime scenes. He has testified in pedal cases for the prosecution and the defense. He has recently been sworn in to the Polk County Sheriffs Office in Dallas Oregon, as a Cold Case Investigator and is working on the Cold Case Team.
He is a Member of the American Academy of Forensic Sciences and the International Association for Identification. He has lectured nationally and internationally. He authored a chapter in “Forensic Medicine of the Lower Extremity” by J. Rich and co-authored the first text of its type titled, "Forensic Podiatry-Principles and Methods,": Second edition, CRC Press, 2017