Draftsman, Greene and Greene, Architects, Pasadena, CA; Draftsman, Hunt and Grey Architects, Pasadena, CA; Draftsman, Frederick L. Roehrig, Architect, Pasadena, CA; Chief Designer, Foss Designing and Building Company, Pasadena, CA, mid-1911-mid-1913; Principal, Harry Monroe Banfield, Building Contractor/Architectural Designer, Pasadena, CA, c. 1913-1914; Partner, Rossiter-Banfield Company, Pasadena, CA, 1914- ;