Orrick, Herrington & Sutcliffe has added three partners and will add a total of seven attorneys to its growing life sciences group as part of its overarching plan to develop a leading health care regulatory practice.

The three partners—Amy Joseph, Georgia Ravitz and Jeremy Sherer—joined the California-headquartered firm on Wednesday. The new hires will be based out of Orrick’s Boston and Washington, D.C., offices.