Donald Henderson

Master Technician and Consultant

Los Angeles, CA

dhenderson@lilloeng.com

Mr. Henderson is a Master Technician with over thirty years of experience in the automotive and truck industries. As one of a small group of vehicle experts who has been awarded the highest designation of World Class Technician by the National Institute for Automotive Service Excellence, he often inspects automobiles, trucks, buses, tractors, and other types of vehicles or machinery and assesses concerns, claims or issues involving them. He consults on best practices, standard of care, preventative maintenance, among other topics in the field of vehicle service and repair.

As a master automotive, medium/heavy truck, and body shop technician, Mr. Henderson has experience and expertise in all aspects of the service and repair industries. He holds nearly thirty individual certifications in areas including engines (gasoline, diesel, CNG), engine performance, hybrid and electric powertrains, transmissions, drivetrains, brakes, steering and suspension systems, electrical systems, heating ventilation and air conditioning (HVAC), exhaust systems, preventative maintenance, structural analysis and repair, among others. He is a licensed to perform smog, brake and lamp inspections in the state of California.

Before becoming a consultant, Mr. Henderson held positions including lead technician, shop foreman and general manager at automotive repair facilities.

Licenses and Certifications

Automotive Service Excellence (ASE) World Class Designation

ASE Master Automotive Technician

  • Engine repair

  • Automotive Transmissions/Transaxles

  • Manual Drive Trains and Axles

  • Brakes

  • Electrical/Electronic Systems

  • Heating and Air Conditioning

  • Engine Performance

  • Light Vehicle Diesel Engines

ASE Master Collision Repair Technician

  • Painting and Refinishing

  • Non-Structural Analysis and Repair

  • Structural Analysis and Repair

  • Mechanical and Electrical Components

ASE Master Medium/Heavy Truck Technician

  • Gasoline Engines

  • Diesel Engines

  • Drive Trains

  • Brakes

  • Suspension and Steering

  • Electrical/Electronic Systems

  • Heating Ventilation and Air Conditioning

  • Preventative Maintenance and Inspection (PMI)

ASE Advanced Level Specialist

  • Advanced Engine Performance

  • Electronic Diesel Engine Diagnosis

  • Light Duty Hybrid/Electric Vehicles

  • Advanced Driver Assistance Systems

Other Licenses and Certifications

Bureau of Automotive Repair (BAR) Licensed

  • Smog Inspector

  • Smog Check Repair Technician

  • Vehicle Safety Systems Technician

Other ASE Certifications

  • Service Consultant

  • Underbody Specialist

  • Exhaust Systems

Motor Vehicle Air Conditioning (EPA 609) Certification

Experience

  •  Master Technician and Consultant, Lillo Engineering Inc., Scotts Valley, CA, 2025-present

  • Shop Foreman / Lead Technician, Car’s Automotive & Muffler, 2022-2025

  • Home Renovation, Self Employed, 2020-2022

  • Leo & Son Garage Inc., 2000-2020

    • General Manager, 2009-2020

    • Lead Automotive Technician, 2000-2009