Firm Profile   Firm Management   Awards   Career Opportunities The Design Alliance Architects is lead by a team of Principals/Shareholders, each contributing a distinctive style of leadership, creativity and commitment to design which reflects the diversity and breadth of talent within our firm. Jules Labarthe, AIA, NCARB Martin E. Powell, AIA, NCARB, LEED® AP LeRoy J. Frederick, AIA, NCARB L. Christian Minnerly, AIA, LEED® AP Sheri L. Spoharski, ASID, LEED® AP Ann E. Lehman, COO In Memoriam - David L. Ross, AIA