Am Law 100 firms are strengthening their service offerings in the nation's capital, concentrating on financial services, national security, health care and energy.

Cadwalader, Wickersham & Taft expanded its financial services capabilities in Washington, D.C., with the addition of partners Mercedes Tunstall from Leob & Loeb and Peter Malyshev from Reed Smith, while Ropes & Gray appointed James McGinnis as a Washington, D.C.-based counsel in its asset management practice.