Share: Ardian's North America Direct Buyouts Completes Transaction, Positioning PRGX to Expedite Technology Roadmap and Accelerate Growth Michael Lustig Named PRGX CEO ATLANTA and NEW YORK, March 04, 2021 (GLOBE NEWSWIRE) -- Ardian, a world-leading private investment house, and PRGX Global, Inc. ("PRGX"), a global leader in recovery audit and spend analytics services, announced the completion of Ardian's acquisition of PRGX. In addition, Michael Lustig has been named PRGX's new Chief Executive Officer. Mr. Lustig, who serves as an advisor to Ardian, has over 15 years of experience in the source-to-pay industry, including having served as CEO of Apex Analytix, and during a prior tenure, as President and Chief Operating Officer of PRGX. He succeeds Ron Stewart, who will rejoin PRGX's board of directors.