John Stiffler

John Stiffler

San Francisco

John Stiffler is a senior director at West Monroe and leads the West Coast Regional Mergers and Acquisitions practice. John works out of the San Francisco office where he also leads the local M&A team. He specializes in corporate divestitures and operates as a client partner, combining strategy, financial, people, process, and technology disciplines to deliver technology-enabled business change. He has over 30 years of global business and technology consulting experience across multiple industries with heavy emphasis in manufacturing and distribution, healthcare, high tech and professional services.


John focuses exclusively on serving West Monroe Partners’ M&A clients, primarily private equity firms and their portfolio companies. He applies specialties in IT strategy formulation, pre-close IT and operational due diligence, and post-close planning, as well as carve-outs and post-close program management execution, to help clients achieve business goals and realize their investment theses. He has led more than 550 IT due diligence and post-close planning/execution projects since joining West Monroe in early 2008. John brings broad business and IT experience for investigating potential acquisitions as well as post-close integrations, carve-outs and divestitures, or remediation.

Prior to joining West Monroe Partners, John spent nine years in industry with Grant Thornton LLP as director of IT Strategy, Governance and Development. In this deputy chief information officer role, he was responsible for firm-wide IT operations, including application development, governance, business intelligence, enterprise and application architecture, as well as strategic planning and business/IT alignment.

Prior to joining Grant Thornton LLP, John spent 13 years in the consulting industry working for firms such as Deloitte Consulting, Cap Gemini America, Ernst & Young, and Booz, Allen and Hamilton. Through these consulting opportunities, John honed his rich blend of business consulting and technology experience by developing technology- and strategy-oriented solutions for customers in several industries. As a result, John has strong business-oriented skills in cost reduction, service improvement, business process optimization and change management.

John holds a Bachelor of Science degree in Management Information Systems from the University of Tulsa and a Master of Business Administration degree from the Kellogg Graduate School of Management at Northwestern University.

John is active in community and civic organizations. He is a past board member of the Palliative Care Center and Hospice of the North Shore and an icStars mentor, and he has led the Adventure Guides through the YMCA.