The nominees confirmed Thursday night included Charles Collyns , deputy under secretary at the Treasury Department ; Marisa Lago and Mary John Miller , assistant Treasury secretaries ; Caryn Wagner , assistant secretary of homeland security ; Dr. Robert A. Petzel , under secretary for health at the Department of Veterans Affairs ; Mary Sally Matiella , assistant secretary of the Army ; Douglas B. Wilson , an assistant secretary of defense ; and Ellen Gloninger Murray , assistant secretary of health and human services .