About
Expert Guidance for Global Growth
Keystone is committed to delivering innovative solutions that empower our clients. Our mission is to drive success through strategic consulting, backed by a vision to transform businesses with global experience and insight.
Experts you can trust
Discover the skilled professionals driving our success.

John O’Brien
Chief Executive Officer
John O’Brien is a seasoned Finance and Operations leader with over 25 years of experience across the Luxury Goods, Consumer Fashion, and Electronics industries, working with top brands like Fossil Group, LVMH, and Texas Instruments. With a proven track record in global supply chain transformation, he has driven $60M in sourcing cost reductions, scaled strategic Global Business Services operations in India, and led multi-channel growth initiatives across APAC, EMEA, China, and India. John holds an EMBA from Kellogg/HKUST and is a UK Chartered Accountant, bringing a dynamic, results-driven approach to enterprise transformation and operational excellence.
Strategically Driven, Customer Centric
Explore testimonials that highlight client successes and satisfaction with our strategic consulting.
Working with Keystone has truly transformed our strategy, delivering exceptional results.
Jessica Lee
Marketing Director
The team at Keystone exceeded our expectations with their expert guidance.
Michael Brown
Operations Manager
Keystone’s professionalism and quality of work are truly unmatched.
Emily Davis
Chief Executive Officer
Our experience with Keystone was outstanding, and we couldn’t be happier with the results.
Daniel Smith
Project Coordinator