James D. Meadows? is ASME Senior Level Certified Geometric Dimensioning and Tolerancing Professional? has been a full-time GD&T trainer/consultant since 1982 ? is nationally and Internationally recognized as a GD&T 'expert' in: design, manufacturing, inspection, tolerance stack-up analysis, and the design of and dimensioning and tolerancing of gages and fixtures ? He has trained tens of thousands of engineering and technical professionals on GDT topics for the private sector, major universities and government facilities/contractors (such as DOE, DOD, and NASA). ? He has conducted GDT training, and consulted on, thousands of product lines (such as satellites, shuttle engines, heart/hip/knee implants, automobiles, motorcycles, armored personnel carriers, submarines, medical devices for patients and surgeons, computers, a variety of military munitions, etc.);? He is an active member of the following ASME committees that write the standards for the U.S. and participating countries: 1) The Y14 Main Documentation Committee-Vice Chairman2) Y14 Executive Advisory Planning Team-Chairman3) Y14 Main Committee - Member 4) Y14.5 Dimensioning and Tolerancing Committee Support Group - Member 5) Founding member of the Y14.5.

1 Dimensioning and Tolerancing Math Committee 6) Y14 SC 43 Functional Gages and Fixtures committee Founder and Chairman 7) Co-Chairman and Founder of H213 Joint Advisory Committee on Special Notation for Geometric Tolerancing 8) Y14/SC 45 Inspection Reporting Support Group - Member 9) Y14 SC 39 Limits and Fits - - Member10) Y14 SC 3 Orthographic and Pictorial Views - Member11) Y14 SC 36 Surface Texture Symbology - Member.12) Past Chairman of B89.3-Dimensional Measurement of Geometry? Mr. Meadows has written 20 books and workbooks on GD&T and related topics, and appeared in 4 film series on GD&T and Tolerance Stack-Up Analysis. ? - has been a Journeyman Die Maker, Prototype Machinist, and Jig and Fixture Builder- has taught at a wide variety of colleges and universities throughout the world (such as the University of California at Berkley Space and Science Laboratories, University of Michigan, Michigan State University, University of British Columbia) and currently teaches courses for the University of Wisconsin.