As an active design/builder and green building expert, Adam Cohen is a principal partner in Quantum Architects, LLC, Passiv Science, LLC and Founder and Technical Director of Build SMART, LLC. In the United States, Mr. Cohen is a leader in commercial Passivhaus design and construction. He has amassed an impressive list of North American firsts including:

- The first North American Public School
- The first and second North American Assembly buildings
- The first in the world Dental Clinic
- The first in the world Passivhaus with a commercial kitchen in the envelope
- The first large scale multifamily building.

Mr. Cohen is recognized as a national leader in the Passivhaus movement and has presented technical papers at both national and international Passivhaus conferences. His leadership in commercial Passivhaus design has made him a sought after speaker, consultant and teacher of advanced courses in Passivhaus ultra-low energy design.