Gary Janzen
Lake Forest,CA
Summary
Dynamic Auto Collision Supervisor and Collision Estimator with 23 years of comprehensive experience in collision repair operations, insurance estimating, and production management. Proven ability to lead and motivate technicians while optimizing daily shop productivity, preparing precise repair estimates, and delivering exceptional customer service in high-pressure environments, including Tesla Collision, ROEM Certified Collision Center, and Spectrum Collision. Expertise in staff coaching, workflow coordination, reporting, and insurance claims management ensures maintenance of repair quality and operational efficiency. Committed to driving team success and enhancing customer satisfaction through effective leadership and strategic problem-solving.
Overview
23
23
years of professional experience
Work History
Collision Supervisor
Tesla Collision
Aliso Viejo, CA
08.2025 - 03.2026
- Supervised 23 collision repair technicians in a high-volume production environment
- Managed daily productivity, workflow efficiency, and repair scheduling
- Coached and mentored technicians to improve performance and repair quality
- Prepared operational and productivity reports for management review
- Maintained quality control standards and ensured timely completion of repairs
- Assisted with production planning, customer communication, and shop operations
- Supported a safe, organized, and team-oriented work environment
Collision Estimator
Tesla Collision
06.2023 - 08.2025
- Prepared detailed collision repair estimates for Tesla vehicles
- Worked directly with customers, insurance adjusters, and internal repair teams throughout the repair process
- Managed supplements, documentation, and repair planning to ensure accurate repairs and timely completion
- Coordinated repair scheduling, parts communication, and workflow management
- Maintained high customer satisfaction through consistent communication and service
- Reviewed repair procedures and damage analysis to ensure estimate accuracy and repair quality
Collision Estimator
ROEM Certified Collision Center
09.2022 - 06.2023
- Prepared collision repair estimates for insurance and customer-pay repairs
- Worked directly with customers, insurance carriers, and repair technicians throughout the repair process
- Managed supplements, repair documentation, and production coordination
- Maintained accurate repair planning and scheduling to support efficient workflow and cycle times
- Delivered high-quality customer service and maintained communication throughout vehicle repairs
- Worked in a Tesla Authorized Repair Facility following Tesla repair procedures and standards
Collision Estimator
Spectrum Collision
04.2003 - 09.2022
- Prepared accurate collision repair estimates for insurance and customer-pay repairs
- Worked directly with insurance companies, adjusters, and customers throughout the repair process
- Managed supplements, repair documentation, and repair planning
- Coordinated parts ordering and repair scheduling to improve cycle time efficiency
- Delivered excellent customer service while maintaining productivity and profitability goals
- Reviewed vehicle damage, repair procedures, and labor requirements to ensure accurate estimates
- Assisted in maintaining DRP relationships and repair quality standards
- Maintained consistent communication with customers regarding repair status and timelines
- Worked in a factory-authorized collision repair facility specializing in luxury vehicle brands including BMW, Audi, Porsche, and Rolls-Royce Motor Cars
Education
High School Diploma -
Mission Viejo High School
Mission Viejo, CASkills
Collision Estimating
- Insurance Claims & Supplements
- Mitchell Estimating System
- CCC ONE Estimating System
- Audatex Estimating System
- Tesla Collision Repair Procedures
- Team Leadership & Supervision
- Customer Service
- Workflow Coordination
- Repair Planning
- Productivity Management
- Quality Control
- Reporting & Documentation
- Collision Repair Operations
Additional Qualifications
- 23 Years of Auto Collision Industry Experience
- Proficient with Mitchell, CCC ONE, and Audatex estimating platforms
- Extensive experience with Tesla and luxury vehicle collision repair processes
- Strong leadership and communication skills
- Experienced in high-volume collision repair environments
- Focused on operational efficiency, repair quality, and customer satisfaction
Timeline
Collision Supervisor
Tesla Collision
08.2025 - 03.2026
Collision Estimator
Tesla Collision
06.2023 - 08.2025
Collision Estimator
ROEM Certified Collision Center
09.2022 - 06.2023
Collision Estimator
Spectrum Collision
04.2003 - 09.2022
High School Diploma -
Mission Viejo High School