He spent the next two years as a planning engineer with the United States Air Force and in 1960 joined the Birmingham, Michigan office of Minoru Yamasaki.
Early projects by Notter for J. Timothy Anderson & Associates include the Fuller Craft Museum in Brockton, completed in 1969.
In 1970 the firm became Anderson Notter Associates and in 1971 they completed the adaptive reuse of Boston's Old City Hall into commercial space.
This led to other projects such as the New London Union Station in which Anderson Notter Associates was a primary investor.
[1][2][3] Other restoration and reuse projects include:[2] In 1984 the firm became Notter Finegold & Alexander with the retirement of Anderson.
[2] As president Notter built on the initiatives of his predecessor Robert C. Broshar to make architects active members of their community.