NEW YORK & SAN FRANCISCO--(BUSINESS WIRE)--Jan 8, 2026-- Keystone, a global technology and advisory firm specializing in economics, strategy, and complex digital ecosystems, today announced a strategic investment with Audax Private Equity (“Audax”), a leading alternative investment manager and capital partner to middle market companies. The Audax investment recognizes Keystone’s consistent growth and the opportunity to guide companies and governments as they navigate the large global technology and science-driven ecosystems through major technological evolution. The transaction also spins off the company’s Deep Enterprise™ AI platform — a scientific prediction and decision engine for manufacturers with complex global supply chains — into a newly formed, independent enterprise software company called Keystone AI.