Leadership Frankfurt

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 change, inspiration, and growth. Following those beliefs, he has completed several award-winning buildings, including Little Red School House and Elisabeth Irwin High School (New York), the Irish Hunger Memorial (New York), and The New York Public Library’s Battery Park City Branch.

David is currently serving as the Vice President for Design Excellence for the 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, 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 architectural expression. Juergen has guided the firm in a number of recognized projects, including the Irish Hunger Memorial (New York), the renovation of the Linguistics Department at New York University, the New York Public Library
Battery Park Branch and the Queens Central Library—Children’s Library Discovery Center.

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.

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.

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