Mr. Karpovich joined John Desch Associates in 1991 after nearly a decade of law enforcement experience including working with the Bergen County Prosecutor's Office Fatal Accident Investigation Unit. He is currently a Senior Project Manager and case coordinator with JDA.

Achieving his full accident reconstruction accreditation by ACTAR in 1992, John has reconstructed and/or assisted in many of the 3,000 cases that have been undertaken by John Desch Associates. He has personally conducted numerous dynamic motorcycle tests with over 20 years of motorcycle riding experience. John has designed and developed many of the specialized tools and" props" used by JDA in the field testing that has become a hallmark of the JDA organization.

Specialized training in digital photography and video recording and accelerometer implementation as it applies to accident reconstruction are only a few of the specialties that John brings to the JDA team.