Dennis L Madden Expert Witness
Curriculum Vitae

Contact this Expert Witness

  • Phone: (805) 647-0678
  • Cell: (805) 794-3158

Specialties & Experience of this Expert Witness

General Specialties:

Automotive and Business Operations

Keywords/Search Terms:

Automatic Transmission Repair, Transmission Diagnostics Transmission Shop Practices, Automatic transmissions, Standard Transmissions repair,

Years in Practice:


Number of Times Deposed/Testified in Last 4 Yrs:


Additional Information

Dennis Madden served as the CEO of the Automatic Transmission Rebuilders Association (ATRA) for 21 years. Dennis has worked in a shop environment as a transmission rebuilder and has rebuilt over 5,000 transmissions. He has worked as a field and research technician, author, and trainer and is recognized in the transmission-repair industry as an expert in the field. Dennis has written over 100 technical articles, conducted technical seminars, and fielded over 80,000 technical calls to other technicians, written hundreds of technical bulletins. and authored several books. Dennis has visited hundreds of transmission repair and other automotive shops across the US and Canada to observe and inspect their business and technical operations. Dennis is your first stop for automotive-related cases. If he doesn't have experience in a particular automotive field, he likely knows someone who does. Dennis is ASE Certified in Automatic and Standard transmissions.