About Eliyahu M Goldratt

Eliyahu M. Goldratt was the creator of the Theory of Constraints and the author of the bestsellers The Goal, It's Not Luck and Critical Chain. Carol A. Ptak is a leading authority in the use of ERP and Supply Chain tools to drive improved bottom line performance, Ms Ptak's expertise is well grounded in over two decades of practical experience as a successful practitioner, consultant and educator in manufacturing operations. Eli Schragenheim is one of the pioneers of TOC and is recognized as an authority in ERP related simulations. He has published several papers in academic and practitioner journals and has delivered hundreds of workshops for managers.