Mike Tierney
Managing Partner

Mr. Tierney manages Client Service and Practice Development for the PrinciplesGroup. Mike Sr. has over 20 years experience as a senior executive in "Big Five" Consulting with PricewaterhouseCooper's Consulting and Deloitte and Touche, in addition to seven years hands on operations management experience with "Fortune 500" manufacturing organizations. He is a recognized leader in managing successful business change and ensuring clients realize quantifiable advantages from technology and process solutions. He led the initial start up of PricewaterhouseCooper's (PwC) highly successful Technology Assimilation Group and has lead some of the largest and most complex ERP-related business, process and organizational change initiatives while delivering solutions for clients such as Medtronic, Johnson & Johnson, Raytheon, Gillette, Bombardier, Hitachi, Lucent, Bose and Cadbury.

In addition to his prior role as PwC Managing Director, Technology Assimilation Group, Mike was a founding member of the SAP Gold Team, PwC East Region.  As a leader in this select group of experts, Mike was responsible to ensure the utmost in service quality and client satisfaction in an environment of rapid business growth and technical change.  He supported premier ERP client initiatives across all industries by responding to requests for proposals, providing project leadership and support, and managing internal consulting practice development initiatives. He also served as a Chairperson and Panel Member for the PwC Staff Evaluation Committee.  Prior to consulting, Mike held key positions with two Fortune 500 manufacturers, Raytheon and Varian, in the areas of Master Scheduling, Materials Management and Financial Analysis.

Mr. Tierney holds a BSBA degree from Villanova University in Operations Management and an MBA degree from Northeastern University. He is past Vice President of Education for American Production & Inventory Control Society (APICS) and is Certified Production & Inventory Management, CPIM. Mr. Tierney’s work has been formally acknowledged in the book Action Management (Redwood, Goldwasser, Street , Action Management, New York: John Wiley & Sons, Inc, 1999) describing practical strategies for making corporate transformation a success.