Dennis L Madden Expert Witness
Curriculum Vitae

Contact Information

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

General Specialties:


Specialty Focus:

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 is the CEO of the Automatic Transmission Rebuilders Association (ATRA). Dennis has worked in a shop environment as a transmission rebuilder for 10 years. During that time he has rebuilt over 5,000 transmissions. In 1987 Dennis began work as a field and research technician, author and trainer. In that capacity he has written over 100 technical articles, conducted technical seminars, fielded over 80,000 technical calls to other technicians and authored several bulletins and books. Dennis is ASE Certified in Automatic and Standard transmissions.