Known as the "Doctor of Dimensioning," Alex Krulikowski is a noted educator, author, consultant, and expert on geometric dimensioning and tolerancing (GD&T). As a design manager with one of the world's largest manufacturing corporations, he gained more than thirty years of industrial experience putting GD&T to practical use on the shop floor. Alex Krulikowski has a degree in industrial vocational education from Eastern Michigan University and has taught GD&T to tens of thousands through his workshops and seminars, and to countless others through his books, self-study courses, videos, and computer-based training programs. He is a member of the following organizations: National and International Committees on Dimensioning and Tolerancing. The Society of Manufacturing Engineers. The Society of Automotive Engineers. The American Society for Quality Control. The American Society of Mechanical Engineers. The ASME Y14.5 Committee on Dimensioning and Tolerancing ASME Y14.41 Committee on Solid Model Tolerancing (past chairman) ISO/TC 213-US TAG. Mr. Krulikowski's textbook, THE FUNDAMENTALS OF GEOMETRIC DIMENSIONING AND TOLERANCING, has sold over one hundred thousand copies since publication. He has written numerous other books, workbooks, and self-study courses, and his products are used by thousands of colleges and organizations. He has also developed a highly respected computer-based training program, The GD&T Trainer Professional Edition, is being used by corporations to train their employees worldwide.