Thomas H. Lee Partners completed the acquisition of Red Nucleus from The Riverside Company.

Thomas H. Lee Partners, a private investment firm, completed the acquisition of Red Nucleus, a global strategic partner to the life sciences industry, from The Riverside Company, an investment firm. Financial terms were not disclosed. “Riverside was a great partner that worked alongside us to significantly expand the platform while investing in our team and infrastructure to position us for long-term growth. Together, we developed a bold vision and strategy to build an outstanding pharma services organization that I am extremely proud of,” Ian Kelly, Red Nucleus CEO.