Garrett MacKenzie: Background

Garrett MacKenzie

108 Ken O Sha Drive

Grand Rapids, Michigan 49507

PHONE: 404-793-9834


Objective: Long term employment that correlates with my experience in Grand Rapids or Holland area. I am willing to work any overtime based on company needs/ requirements. Positions that require working multiple shifts based on company needs are welcomed. I have an extensive list of references that can validate my technical expertise and work ethic.

Equipment: Engel, Niigata, Van Dorn, UBE, Toshiba, Mitsubishi, HPM, Cincinnati Milacron, Nissei,  Arburg, Husky, Reed, Stokes, BOY, FCS, Battenfeld 100 Ton to 3500 Ton presses (hydraulic/ electric/ gas assist/ two color/ dual screw multi-shot); ABB, Wittmann, Fanuc, Sepro and Yushin Six-Axis Robots; mills; automation systems; gauging and fixtures, zero-operator robotics/ automation design and implementation; hoists; forklifts; magnetic-base drills; McBeth Spectrometer; general and machinist hand tools; drill press; band saws; centerline grinders; inspection gauging and equipment, moisture analyzers, magnetic base hand drills


Materials: PC/ABS; Polypropylene, Polyethylene, Nylon (up to 40% glass reinforced), Nylon(metal strand reinforced); Polystyrene; Acrylic; Polycarbonate; Acetyl; Santoprene; PEEK, Poly Vinyl Chloride (standard and Rigid); BMC (thermoset); powder/ liquid/ pellet concentrates; other engineering grade materials


Robotics: Quick-connect chucks (ID and peripheral set up); nest design/ building/ implementation; troubleshooting; train programming/ troubleshooting basics; ladder logic: electrical/ hydraulic blueprints; EOAT design/ build/ implement; initial programming set up


Tooling: Family molds; hot runner; core (hydraulics- set/ pull/ thread); vacuum assist; gas-assist, valve gates, pneumatic eject; thermoforming; Polished/ textured/ standard surfaces; core eject; cold runner; standard/ fan/sub-gated tooling; hot oil; two color; tear down/ clean/ reassembly; polishing; minor tool repair “on the fly”; troubleshoot tooling problems and suggest tooling modifications to improve productivity/ lower scrap rates


Qualification Highlights:

  • Over 30 years of experience in a multitude of skill sets to include: Engineering Management, supervision, mold maker apprentice, maintenance, 4 years QS9000 quality auditing, shipping/ receiving and material handling
  • Speaker: Molding 2017 (April 6, 2017- North Carolina) Sponsored by Plastics Technology Magazine “Do’s and Don’ts in Robust Process Development”
  • Technical writer for Plastics Today and Plastics Technology Magazine (33 articles, most recent below, 2 webinars Plastics Today on Scientific Molding Principles/ Procedures)
  • Sponsored and selected for membership by the Plastics Pioneers Association Board of Governors October 2019. Membership requires proving a commitment to bettering the plastics industry through training and information.

MOST RECENT ARTICLE: Mold Making Technology Magazine, APR 2020 issue- “How to Increase Mold Life” Click link below:

  • Processing based on scientific/ decoupled molding principles as taught by John Bozelli & RJG
  • Ability to not only develop processes, but strong exposure to tooling and maintenance which allows me to troubleshoot many different types of production issues. I then help develop resolutions through machine, mold, material and labor modifications
  • Strong technical ability to monitor downtime, scrap, productivity and overall efficiencies and develop solutions for improvements based on scientific molding, automation, tooling modifications
  • Robotics: End of arm tooling design, construction, set up and programming; Training of engineers and technical support staff



John Bozzelli| Process Development: Scientific Molding (2019)

Moldtrax| Hot Runner Applications, Theory & New Technologies (2019)

Emory Continued Education | Supervision/ Management (2016)

American Heart Association | First Response/ AED/ CPR (Current, through 2018)

John Bozelli | Scientific Molding Theory and Application

Whittmann Robotics | Robot Maintenance Controller Set-up: Programming

Van Dorn Technical | Pathfinder 1000-5000 Controllers; Machine Maintenance and Operation

Cincinnati Milacron | Processing I (Extreme controllers), Processing II Process Optimization, and Roboshot Maintenance

Polymerland: Material Properties, Handling and Characteristics

Pinnacle Resource Group | Performance Supervision

Workman’s Compensation Board of Ohio | Accident Evaluation and Reporting

Kellogg Community College | Industrial Plastics

Work History:

ABC Undercar Group  Wyoming, MI Process Engineering Manager  $90,000 P/YR     April 2019 to now

Direct Supplier: General Motors/ Ford- Automotive Undercar and Interior Console Assemblies

  • Established, validated and documented 48 processes for 28 presses
  • Established Process verification system, with upper/ lower control limits
  • Direct supervision of: Engineers, Process Techs, Set Up Techs, Material Techs
  • Processing reports: Corporate business unit, customers, vendors, contractors
  • Suggest/ quote/ order capital equipment and technical support inventories
  • Recommend tooling/auxiliary/ equipment/ press modifications
  • Work directly with tooling contractors to modify, develop, PM and fix tooling
  • Develop and run all DOE’s
  • Sample and develop processes for new tooling
  • Developed Skill Set Gap Analysis for measuring employee training metrics
  • Train Technicians, Set Up, Material Handlers
  • Developed and implemented: Process Set Up, Process Monitoring and Set Up/ Start Up check Lists
  • Developed 42 question Plastic Injection test for interview screening
  • Developed Die Setter Safety Quiz for employee screening/ training
  • Developed 4-tier merit-based team approach: pay  based on skills/ performance
  • Provide training videos for processors/ Set Up
  • Perform weekly Layered Process Audits

Cedar Springs Manufacturing    Cedar Springs, MI    $25.00 p/hr       Production Supervisor

Tier II Automotive Supplier- Faurecia, Yenfeng, Johnson Controls Interior supplier

  • Engel/ JSW presses: 200-500 Ton 48 in-house
  • A-B-B and Star robots: Start up, Shut down and troubleshoot
  • Supervision of up to 45 people, including off-shift Quality, Maintenance, Tooling
  • Direct reporting of Efficiency, Scrap and Down Time concerns to Management
  • Training of Technicians, Utilities, Material handlers, Set Up and operators
  • Attendance, Reviews, Disciplinary recommendations, promotion recommendations


Glock, INC.       Smyrna, Georgia      $30.30 P/ Hr         Production Supervisor/ Engineering – Molding          

Handgun Manufacturer-Civilian, Law Enforcement, Military

  • Process control: All processes (US side)
  • Troubleshoot presses/ processes/ robotics/ auxiliary equipment
  • Implementing training program: operators and technical support
  • Supervise up to 20 people
  • Interview/ Hire/ Terminate
  • Sample new molds and materials
  • Process development

B & B Tool and Molding: Muncie, Indiana -$70,000 P/ YR         Molding Manager

Custom plastic injection operation: Automotive/ Military/Aerospace

  • Oversee all operators and technical support employees
  • Responsible for employee evaluations, discipline and termination
  • Order all parts/ components for molding operation
  • Originated molding regrind operation for direct-feed grinder/ loader
  • Full responsibilities for plant maintenance, Productivity, Efficiencies, Quality and Scrap
  • Sampling of new tools/ materials/ tooling modifications
  • Recommend tooling modifications to improve productivity/ scrap concerns
  • Whittmann robotics set-up/ troubleshooting
  • Van Dorn NC-4 , Pathfinder and EL SIEMENS controllers
  • Valve repair/ replacement
  • Screw repairs/ cleaning/ replacement

Johnson Controls: Kendallville, Indiana     $25.00 P/HR            Process/ Robotics Engineer 

In business over 125 Years; Tier-One automotive supplier (Big Three, Honda, Toyota, Nissan)

  • PPAP Process Development of new tooling for Automotive Industry
  • DOE’s of existing tooling for process optimization (scientific molding)
  • Development/ implementation of zero-operator work cells
  • Ergonomics analysis/ “wasted motion” improvements
  • Develop Tooling modifications for scrap reduction/ process optimization
  • Whittmann programming/ troubleshooting training (technical staff)
  • Sepro robotics programming/ troubleshooting
  • EOAT design and build/ set up and program
  • Development/ documentation of operator instructions/ requirements
  • Troubleshooting/Resolution/Optimization of production efficiencies/ downtime
  • Developed material handling training program designed to teach “NASCAR” style approach towards quick changeover
  • Made suggestions regarding capital equipment purchases (central feed system, 2 way radios)
  • Direct supervision/ training of technicians/ material handlers
  • Assisted in design/ development of 5S/ Kaizen projects

Stanley Electric, U.S.: London, Ohio

Process/ Robotics 2B in sales: Sister company- Honda (Honda headlight/ lighting systems)

  • Start up/ monitor /shut down Plastic injection and auxiliary equipment (Cincinnati Milacron and Whittmann robots)
  • Adjust/ troubleshoot plastics machinery and auxiliary equipment
  • Train material handlers and set up crew in set up principles and efficiencies
  • Monitor cycle efficiencies/ down time/ scrap for potential optimizations
  • Set up/ program/ Monitor Whittman robotics equipment and fixture automations
  • Multi-color processing using twin screw plastic injection presses (two color taillight lenses)
  • Assisted in reducing metalized taillight department scrap rate to less than 2.5% through establishing decoupled processes


John Bozzelli:        Owner , Injection Molding Solutions – Scientific Molding Founder/ Consultant

“Garrett and I go back to 1997 where he was trained in Scientific Molding procedures. Smart and talented, he has used this methodology and strategy to widen his knowledge base and grow in capabilities. His initiative is shown in starting up and his work at KI “Green Initiatives”. Currently we are working together to incorporate plastics in green technologies.” LinkedIn: March 26, 2009

Matt Defosse:        Editor: Plastics Today magazine

“Garrett is an expert in multiple facets of plastics processing, and kindly offered to share his expertise in a series of articles for our audience. The mission of our web portal,, is to provide plastics processors with information they can use to run their companies more efficiently. With Garrett’s expert insight, I am sure we can meet that mission.” LinkedIn: September 14, 2011

Mike Tolinski:        Editor: Plastics Engineering magazine

“Garrett’s website is a great training-focused online resource of the type the industry needs, especially at a time when it’s becoming harder to find trained plastics technicians” LinkedIn: November 22,2011

Clare Goldsberry:    Senior Editor: Plastics News/ Plastics Today

“Garrett is a go-getter with lots of good ideas that he’s bringing to the plastics industry. His experience and expertise is providing him with the know-how to bring technology information to those in the industry with a “need to know” “Linked In: September 14, 2011

Todd Hayes                                ABC Under Car Group                    Production Manager                      989-640-7561

Kevin Smith                               2K Tool                                                               Owner                                             616-886-7568

Ken Maggert                                Supervisor: Johnson Controls                                         260-667-4296

Bill Osborne                                 Engineer: Johnson Controls                                               260-413-0939

Steve Good                                   President: Tom Smith Industries                                     937-832-1555

Brian Bruno                                  Owner: Bri-Sun Industries                                                 269-698-0690

Jerry Reynolds                             Plant Manager: Laser Die                                                   269-698-0690

Brent Shepard                             Plant Manager: Holland Plastics                                        616-844-2505

Jamie Pugh                                  Sales Manager- Tom Smith

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