Ropes & Gray Advised GI Partners in Acquisition of Cell Solutions Businesses and CDMO From Charles River Laboratories, Forming Rose BioSolutions

In The News
May 8, 2026

Ropes & Gray advised GI Partners, a leading private investment firm, in completing its acquisition of the contract development and manufacturing organization (CDMO) and Cell Solutions businesses from Charles River Laboratories International, forming Rose BioSolutions. The completed transaction was announced on May 7. Financial terms were not disclosed.

Rose BioSolutions is a leading provider of development and advanced manufacturing capabilities across the cell and gene therapy space. As a full-service CDMO, Rose Bio offers manufacturing across the full suite of plasmid DNA, viral vector, and cell therapies, as well as cell supply operations.

The team was led by private equity partners Eric Issadore and Elizabeth Gallucci, employment partner Jen Cormier, IP transactions partner Emily Karlberg, health care partner Christina Bergeron, private equity partner Libby Todd, tax partners Benjamin Rogers and Andrew Howard, data, privacy & cybersecurity partner Fran Faircloth, life sciences regulatory & compliance partners Josh Oyster and Lincoln Tsang, and real estate partner Peter Alpert.