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