Dr. Ricketts is a distinguished engineer and Constraint Management practitioner. His career spans manufacturing, academia, and the information field. John's job roles include professor of Informati...view moreDr. Ricketts is a distinguished engineer and Constraint Management practitioner. His career spans manufacturing, academia, and the information field. John's job roles include professor of Information Systems, research manager in Information Technology, consulting partner in Business & Technical Services, chief technology officer in Computer Software, and venture capitalist in Corporate Strategy. John is the author of Reaching the Goal: How Managers Improve a Services Business Using Goldratt's Theory of Constraints. His work has also appeared in MIS Quarterly, Journal of Software Maintenance, Informatica, Computer Programming Management, Service Systems Implementation, and the Theory of Constraints Handbook. view less