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ETI's Instructors

All of ETI's instructors are industry professionals with years of experience applying GD&T on the job. ETI trainers have:
  • Expert knowledge of the Y14.5 Standard
  • Current or recent industrial experience using GD&T
  • At least five years of experience using GD&T
  • Experience and skill using ETI teaching materials
Our instructors use identical training materials and lesson plans, so you receive the same class presentation from every trainer.

ETI Training Team PDF


ETI Dimensional Engineering Mentors

Michael Adcock
ASME Senior Level Certified

Michael Adcock has an AAS in CAD design from ITT Technical Institute and is an active member of ASME. He lived and worked in Brazil for two years, where he became fluent in Portuguese.

Michael's design career began in the aerospace industry, where he worked on solid rocket motors for commercial launches and United States Navy submarines. He developed tooling, product, and test equipment. He also performed tolerance stacks, layouts, and full working drawings.

Michael developed fuel tanks, fuel injectors, evaporative emissions equipment, electronic throttle bodies, and a patented pressure damper for Visteon. He also spent nearly a year with Dana, designing axle components and assemblies.

In more than seven years as a designer, Michael has worked with solid modeling, engineering drawings, and the language of GD&T on a daily basis. He has seen the problems that result from a poor understanding of dimensioning and tolerancing, and he understands the benefits of the functional dimensioning philosophy based on the ASME Y14.5 Standard.

Michael is a full-time Dimensional Engineering Mentor for ETI.


Roy Cross
ASME Senior Level Certified

roycrossRoy Cross has 30 years of experience in the automotive industry. His design experience includes detailer, designer, design leader, and checker. His product knowledge includes brakes, wheels, drive train, HVAC, and engine cooling. He is an active member of ASME and SME societies.

Roy has a thorough knowledge of manufacturing processes, including injection molding, stampings, casting, forgings, and machining. He has experience in tool and die design, special machines, and in fixtures for machining and testing. He understands the challenge that faces today’s manufacturers to achieve higher quality at lower cost.

In his most recent role with a major automotive supplier, Roy was responsible for gage and CMM holding fixture design, procurement, and approval. He worked closely with supplier and product quality engineers and gage / fixture builders to insure that all gages and CMM holding fixtures met GD&T and GR&R requirements per OEM and industry quality standards. He has also helped quality engineers assess measurement methods of part GD&T requirements.

Because Roy has experience in design, manufacturing, and quality, he understands the vital role that GD&T plays in achieving the goals of six sigma and other quality initiatives.

Roy has been a GD&T instructor and consultant since 1991, teaching GD&T at all levels. He is now a full-time Dimensional Engineering Mentor for ETI.


ETI Instructors

Bob Bourland
Bob Bourland has worked in the design field for over 50 years. His experience includes detailer, designer, test technician, checker and drafting supervisor, and chief draftsman. He worked for seven years as a design leader for one of the world's largest automotive companies, and most recently audited new program drawings per the ASME 1994 Standards and the GM Special 2001 and 2004 Addendum Standards.

Bob's background includes geometric tolerancing, functional dimensioning, assembly and part stacks. He teaches GD&T fundamentals, advanced concepts and stacks for ETI.

Dan Carlson
ASME Technologist Level Certified

Dan Carlson graduated from Michigan Technological University Summa Cum Laude with a Bachelor of Engineering Degree. His background in automotive design includes checking, tolerance analysis, and supplier coordination using GD&T, giving him a solid grasp of the topic. Dan has been an adjunct instructor for Baker College. His background includes operating his own engineering design firm. Mr. Carlson has been teaching since 1993.


Robert Charlton
ASQ Certified Quality Engineer

Bob Charlton has worked in Manufacturing Quality Assurance as a Quality Manager and Director for over twenty years. He holds a degree in Business Administration from Wayne State University and has a Journeyman's card as a Toolmaker.

Bob has been an adjunct faculty member at Macomb Community College since 1991. He teaches a variety of classes in Applied Technology subjects such as GD&T, SPC, Plastics Processing & Tooling, and Blueprint Reading.

Bob has used and interpreted GD&T his entire career in Quality Assurance, especially for concept and design checking fixtures for OEM automotive parts.


 

Brent Davis
ASME Senior Level Certified

Brent Davis is a Senior Design Engineer, GDT Representative for Ford Motor Company Automatic Transmission Operations (ATO). He has over twenty years in automotive product design and automotive tooling design.

Brent is a support person on the ASME Y14.41 subcommittee and has a seat on the USCAR team that generates the addendum to the ASME Y14.5 Standard. He is also a member of the Ford Engineering & CAD Drafting Standard Committee and helped define Y14.41 material before the standard was published. He is also very active in the Ford C3P Initiative.

Brent has been an ETI instructor for over 10 years, teaching GD&T at all levels.


Charles (Don) Holder
ASME Senior Level Certified

Don Holder has over 33 years of Product Engineering experience at one of the world’s largest automobile corporations. His responsibilities have included detailing plus designing and checking automatic transmission component drawings. He has also held various leadership positions.

Don began his GD&T journey in 1978 as one of the first in his division to be trained. Since then, he has taught numerous workshops on GD&T and provided technical support for applying GD&T on engineering drawings.



Dale MacPherson
ASME Senior Level Certified

Dale MacPherson has over thirty years in automotive product design. He works for General Motors Powertrain division as a Senior Product Designer in Dimensional Engineering, providing GD&T consulting and training for GMPT.

His work assignment also includes software testing and development for embedded GD&T tools. Areas of design experience include: manual transmission design, gear design, drive line component and system design and packaging, throttle control system and component design, shift control system and component design, clutch system and component design.

Dale is a member of the General Motors GD&T task team (the team authored the GM Addendum to ASME Y14.5). He is also an ASIG (Aircraft Special Interest Group) tolerancing module JAD (Joint Application Development) team member —an industry-wide team that directs software developers for embedded GD&T).

Dale is a registered General Motors University instructor. He has an Associate's Degree in Tool Fixture and Die design, and a certificate in electro-mechanical engineering technology. He has been teaching courses in GD&T fundamentals, advanced concepts, and tolerance stacks since 1999. He has taught within General Motors and at major automotive suppliers in North America, Australia, and Asia.


Daniel Meyers
ASME Senior Level Certified

dan meyersDan Meyers is an ASME-certified Senior GD&T Professional specializing in dimensional management and variation analysis. He has over thirty years of experience in mechanical design as a drafter, designer, checker, and dimensional management mentor.

Dan has an indepth knowledge of the ASME Y14.5M-1994 and ISO 1101 Standards, and over fourteen years of experience with VisVSA 3D tolerance analysis. He has served as chairman of the Delphi Dimensional Management Team since 1999.

Dan led in the development of a comprehensive GD&T training program for Delphi Automotive, and has trained designers/engineers on dimensional management, tolerance stacks using GD&T, embedding GD&T in UGNX3, and VisVSA.


Christopher Nolan
ASME Senior Level Certified

Christopher Nolan is a Product Design Checker and GDT Senior at Visteon Corporation. He has over twenty years of experience in automotive product design and automotive tooling design. His design services have been used by Ford Motor Company and GM Powertrain.

Christopher has taken several design courses at the Ford Training Development Center. He has been certified in detailed drawing, descriptive geometry, and trigonometry by the Batavia School of Drafting. He is also a member of Visteon's Engineering CAD Standards and GD&T Technical Committees. He is also a supplier member of Ford's GD&T Committee.

Christopher has been a corporate instructor for Visteon for five years, teaching GD&T fundamentals, advanced concepts, and tolerance stacks.


Dave Slopsema
ASME Senior Level Certified

Dave Slopsema is a design supervisor with one of the world's largest manufacturing corporations. He began his engineering career performing Finite Element Analysis, and his recent experience includes 12 years designing engine components and subsystems.

Dave is experienced in applying GD&T to production designs and performing tolerance stackups. He mentors others in both disciplines.

Dave has a Master's Degree in Mechanical Engineering from the University of Michigan and is a licensed Professional Engineer in the state of Michigan.


Carl Wargula

Carl Wargula has been teaching Geometric Dimensioning and Tolerancing since 1980 and has also taught other industrial topics including Blueprint Reading and SPC. Carl's industrial experience is in Powertrain and Aerospace industries. He holds a Bachelor of Science degree from University of Wisconsin.

Carl is a member of The Society of Manufacturing Engineers and the American Society for Quality. He is also an adjunct instructor at Gateway Community College.

 

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This file last modified 04/24/08