Wiedersum Associates Architects, PLLC is a Professional Limited Liability Company licensed to practice architecture in New York State. There are presently three (3) Principal Members of the company: Richard C. Wiedersum, Richard W. Wiedersum, and Edward R. Casper. All are Licensed Registered Architects in the State of New York.

Richard C. Wiedersum, AIA
Richard has been associated with the firm since 1967, and a Principal for nearly 30 years. He oversees many of Wiedersum Associates’ in-house coordination and management decisions concerning daily operations and staffing.

Richard W. Wiedersum, AIA
Rick has been associated with Wiedersum since 1986, and a Principal of the firm since 1996. His primary responsibility is overall leadership and management of the Wiedersum organization. Rick actively participates in several statewide professional organizations, as well as various business groups serving the Nassau/Suffolk region. As a Principal of Wiedersum Associates Architects, he is involved with many of the firm’s public educational and municipal programs, as well as large privately-funded projects.

Edward R. Casper, AIA
Ed has been associated with the firm since 1998, and a Principal since 2001. A large percentage of Ed’s design and management skills have been dedicated to Wiedersum’s hospital, medical facilities, and nursing home clientele. Ed has the ability to quickly develop a conceptual design from verbal discussions and client-proposed programmatic requirements, which greatly assists in determining whether a project is feasible, as well as cost effective.

Connetquot School District

William Floyd School District

Riverhead School District

Plainedge School District

North Babylon School District

Bayport - Bluepoint School District

Longwood School District

Islip School District