Altaris Capital Partner, a private equity firm, completed the acquisition of 51% stake in Solesis, a life science and medical technology company, from Michelin, a French multinational tyre manufacturing company. Financial terms were not disclosed. “Through increased investment in R&D and enhanced access to capital, we intend to continue to develop innovative technologies to meet the evolving needs of our customers and their rapidly expanding end markets. This is an exciting time for Solesis, our customers and our dedicated team,” Karen West, Solesis CEO.