Our Team
The foundation of our success.
Our Team
The foundation of our success.
The talented designers at AMMON HEISLER SACHS architects provide expertise in architecture, planning, programming, interior design, and sustainability.
Working with AHSa is like extending a branch of your own organization: you have our focus and our expertise at your fingertips. We are deeply committed to understanding your goals and needs, making our work together a true partnership, not merely a transaction.
Starting with the vision set forth by each client, our team designs a complete solution that best serves building owners and users. Working across markets and industries, our designers bring their experience and expertise to deliver that vision.

David C. Ammon
AIA, LEED AP
Principal

Joseph L. Heisler III
AIA, LEED AP
Principal

Harold R. Sachs II
AIA, LEED AP
Principal

Kacey L. Hynson
Principal

Roger L. Schroeder
AIA, LEED AP
Associate

Megan M. Lazzeri
AIA, LEED AP
Associate

Erik V. Baiamonte
AIA, LEED AP BD+C
Associate

Brian G. Hardham
Associate

Amanda M. Stella
AIA

Kat A. Duerr-Oravec
AIA, NCARB

Marcus J. Tsouvalos

Cassie Hays
Business Development Manager

Hannah C. Veater

Ryan Behneman
AIA, NCARB, LEED AP

Kristi Bray
Administrative Assistant