“Dr Lisa” Lang, is the President of the Science of Business, a consulting firm specializing in helping companies to achieve bottom line results. She has served as the Global Marketing Director for Dr Eli Goldratt, father of Theory of Constraints and author of The Goal. Dr Lisa has a PhD in Engineering from the University of Missouri – Rolla and is one of the few TOCICO certified experts in Theory of Constraints worldwide. In addition, Dr Lisa specializes in job shops (highly customized environments) and applying TOC to sales and marketing, having developed the Mafia Offer Boot Camp (www.MafiaOffers.com) and the Velocity Scheduling System (www.VelocitySchedulingSystem.com). 

Before becoming a consultant, Lisa was in operations, strategic planning, purchasing, and R&D while working for Clorox, Anheuser-Busch and Coors Brewing.

In addition to consulting, Dr Lisa is a highly sought after Vistage/TEC speaker on “Maximizing Profitability”. Dr Lisa also provides professional keynote speeches and workshops for organizations like: TLMI, ASC, NTMA, NAPM and private events for corporations like: TESSCO, Bostik, GE, and Sandvik Coromant.

Justin Roff-Marsh is the developer of a TOC-based application for sales management called Sales Process Engineering (SPE).

He is the founder and managing director of Ballistix — a management consultancy, with operations here and in Australia.

He's also the author of Reengineering the Sales Process and a prolific blogger: www.salesprocessengineering.net.

Justin has a thorough understanding of the full range TOC applications.  He lecturers regularly at international TOC conventions and is generally regarded as a leading thinker in the field of sales management.

In short, SPE involves the formalisation of the sales process (division of labour, standardisation and centralised scheduling) and then the application of TOC principles to both the internal synchronisation of the sales process and its integration with other functions.