Several Am Law 200 firms have recently expanded their Washington, D.C. offices by adding new partners and senior counsel. Crowell & Moring hired two attorneys from the Department of Health and Human Services for its health care team, while Greenberg Traurig welcomed Stacey Bosshardt as a shareholder in its environmental practice. Wilmer Cutler Pickering Hale and Dorr reappointed Marik String, a former senior adviser to Secretary of State Marco Rubio.