Peggy Bosley did her undergraduate work in history at Brigham Young University and University of California, Irvine. She received a Masters of Architecture from California State Polytechnic University, Pomona in 1981. Her involvement with architecture began even before receiving formal training. She was involved in the renovation, design and construction management of historical properties in Washington D.C. In California she designed professional office buildings. After attending Cal Poly she worked for the small design oriented architectural and planning firm Hatch-Colasuonno. During her time in this office, she was involved with a range of projects from single family residential, multi-family residential to commercial structures. She also taught design studio at Cal. Poly, Pomona. She joined with Jeff Biben to practice architecture in 1990.