PJC originates from the consulting firm specializing in statistical methods, which was established by Perry Laurence Johnson in suburban Detroit, Michigan, USA in 1983.

Perry L. Johnson is one of the world’s top experts on ISO 9000, ISO 14000 and QS-9000 consulting and training. He is also a leading educator on the theories and practices of Total Quality Management (TQM).
A former Fortune 500 executive, he is globally recognized as an expert on ISO 9000 and on statistical and motivational methods for the improvement of quality and productivity, successfully pioneering the use of statistical scorekeeping methodologies.

Mr. Johnson’s latest text, "ISO 9000: The Year 2000 and Beyond" (McGraw-Hill, 2000) has been translated in Japanese and published from Horei Limited. This book spells out differences between the 1994 version and the 2000 version of the standard and provides guidance for upgrading the quality management system to the 2000 version. It also contains self-assessment checklists and a sample quality manual which are ready to use.
![]() |
![]() |
![]() |
A frequent speaker, panelist and lecturer,
Mr. Johnson is the author of the best-selling definitive text on international quality standards and registration, "ISO 9000: Meeting the New International Standards" (McGraw-Hill, 1993,),followed by its second edition as "ISO 9000: Meeting The International Standards" (McGraw-Hill, 1996), and now in its third edition as "ISO 9000: The Year 2000 and Beyond"(McGraw-Hill, 2000); the breakthrough text in quality control methods, "Keeping Score: Strategies and Tactics for Winning the Quality War" (HarperCollins, 1989);
![]() |
![]() |
![]() |
![]() |
other books including "ISO 14000: The Business Manager’s Complete Guide to Environmental Management", (John Wiley & Sons, 1997); and the "ISO/QS-9000 Yearbook: 1998" (McGraw-Hill, 1998).