Dr. Griffith has developed a model of psychiatric residency training that balances biological and psychosocial therapies in the treatment of patients within their family, community, and cultural contexts. He provides psychiatric treatment for immigrants, refugees, and survivors of political torture in the Program for Survivors of Torture and Severe Trauma (PSTT) at Northern Virginia Family Services. Under his leadership, the GWU Dept. of Psychiatry has become nationally recognized for its excellence in global mental health, psychotherapy training, neurosciences education, and psychosomatic medicine. In his clinical practice at The GW Medical Faculty Associates, he treats psychosomatic disorders, psychiatric complications of medical illnesses, and other problems of couples and families. He has been named a Washingtonian magazine Top Doctor.