David Piscuskas, FAIA, LEED AP, Founding Principal

David Piscuskas, FAIA, LEED AP, co-founded 1100 Architect in 1983. He believes well-designed, functional, and astute architecture can act as a powerful catalyst of inspiration, change, and growth. Following these beliefs, he has completed several award-winning buildings, including the University of Pennsylvania’s Perry World House (Philadelphia), the Little Red School House and Elisabeth Irwin High School (New York), and the Irish Hunger Memorial (New York).

David served as the 2017 President of AIA New York Chapter. He received a Bachelor of Arts degree in Art from Brown University in 1979 and a Master of Architecture degree from UCLA in 1982. David is an NCARB Certificate Holder, Member of the Chamber of Architects in the State of Hessen, and is a Fellow of the American Institute of Architects (FAIA).

David Piscuskas, FAIA, LEED AP, Founding Principal

David Piscuskas, FAIA, LEED AP, co-founded 1100 Architect in 1983. He believes well-designed, functional, and astute architecture can act as a powerful catalyst of inspiration, change, and growth. Following these beliefs, he has completed several award-winning buildings, including the University of Pennsylvania’s Perry World House (Philadelphia), the Little Red School House and Elisabeth Irwin High School (New York), and the Irish Hunger Memorial (New York).

David served as the 2017 President of AIA New York Chapter. He received a Bachelor of Arts degree in Art from Brown University in 1979 and a Master of Architecture degree from UCLA in 1982. David is an NCARB Certificate Holder, Member of the Chamber of Architects in the State of Hessen, and is a Fellow of the American Institute of Architects (FAIA).

Juergen Riehm, FAIA, BDA, Founding Principal

Juergen Riehm, FAIA, BDA, is a co-founder of 1100 Architect. He believes in architecture as the all-encompassing art form, capable of affecting and portraying all facets of life and nature through an honest and timeless expression. Juergen has guided the firm in a number of recognized projects, including the Riverside Health Center (New York), the Queens Central Library: Children’s Library Discovery Center, and the New York Public Library, Battery Park City branch.

Juergen received a Diploma in Architecture from FH Rheinland-Pfalz in 1977 and his Post-Graduate Architecture Degree from the Städelschule Academy of Fine Arts in 1982, where he currently serves on the alumni foundation’s advisory board. He is a Fellow of the American Institute of Architects (FAIA), Member of the Chamber of Architects in the State of Hessen, and a member of the Bund Deutscher Architekten (BDA).

Juergen Riehm, FAIA, BDA, Founding Principal

Juergen Riehm, FAIA, BDA, is a co-founder of 1100 Architect. He believes in architecture as the all-encompassing art form, capable of affecting and portraying all facets of life and nature through an honest and timeless expression. Juergen has guided the firm in a number of recognized projects, including the Riverside Health Center (New York), the Queens Central Library: Children’s Library Discovery Center, and the New York Public Library, Battery Park City branch.

Juergen received a Diploma in Architecture from FH Rheinland-Pfalz in 1977 and his Post-Graduate Architecture Degree from the Städelschule Academy of Fine Arts in 1982, where he currently serves on the alumni foundation’s advisory board. He is a Fellow of the American Institute of Architects (FAIA), Member of the Chamber of Architects in the State of Hessen, and a member of the Bund Deutscher Architekten (BDA).

Gunter Weyrich, Dipl. Ing. Architekt, BDA, Principal, Director, Frankfurt Office

As the Director of 1100’s Frankfurt office, Gunter Weyrich, Dipl.-Ing. Architekt, BDA, employs his strong leadership skills and design background to a wide range of typologies including large scale civic, mixed-use, residential, and office buildings, as well as private sector work. His projects include a new retail store for Zalando, the realization of the multi-residential project Main: East Side Lofts, police headquarters in Lich, the refurbishment of Terminal 1 at Rhein-Main Airport, and a new RDF power station with a construction budget of €300 million. Gunter received his Diploma in Architecture from the University of Kaiserslautern in 1997. He is a member of the Chamber of Architects in the State of Hessen and of the BDA.

Gunter Weyrich, Dipl. Ing. Architekt, BDA, Principal, Director, Frankfurt Office

As the Director of 1100’s Frankfurt office, Gunter Weyrich, Dipl.-Ing. Architekt, BDA, employs his strong leadership skills and design background to a wide range of typologies including large scale civic, mixed-use, residential, and office buildings, as well as private sector work. His projects include a new retail store for Zalando, the realization of the multi-residential project Main: East Side Lofts, police headquarters in Lich, the refurbishment of Terminal 1 at Rhein-Main Airport, and a new RDF power station with a construction budget of €300 million. Gunter received his Diploma in Architecture from the University of Kaiserslautern in 1997. He is a member of the Chamber of Architects in the State of Hessen and of the BDA.

Thomas Voss, Dipl. Ing. Architekt, Associate Principal, Frankfurt Office

As Associate Principal, Thomas Voss assists 1100 Architect in the company’s management. In 2013 he joined the office with over 15 years of work experience in prominent national and international offices, having played a major role in the design and realization of ambitious master plans and office, administrative, residential and educational buildings. In the seven years preceding his employment at 1100, a majority of Thomas’ efforts were directed towards large scale healthcare projects. During this period he rose to the rank of Chief Executive Officer responsible for Germany’s University Clinics. Thomas Voss obtained his diploma at the Muthesius-Hochschule in Kiel, Germany. He is a member of the Architektenkammer Hessen.

Thomas Voss, Dipl. Ing. Architekt, Associate Principal, Frankfurt Office

As Associate Principal, Thomas Voss assists 1100 Architect in the company’s management. In 2013 he joined the office with over 15 years of work experience in prominent national and international offices, having played a major role in the design and realization of ambitious master plans and office, administrative, residential and educational buildings. In the seven years preceding his employment at 1100, a majority of Thomas’ efforts were directed towards large scale healthcare projects. During this period he rose to the rank of Chief Executive Officer responsible for Germany’s University Clinics. Thomas Voss obtained his diploma at the Muthesius-Hochschule in Kiel, Germany. He is a member of the Architektenkammer Hessen.