Maier was educated at Mynderse Academy before attending Albany Law School, from which he graduated in 1900 with a LL.B.
[1] Maier subsequently spent two years in Europe before going to work at the law firm of McDonald Brothers.
Upon his retirement from the Assembly, Maier was appointed as Deputy Fiscal Supervisor for the State of New York.
[2] In February 1917, Maier was appointed as a Deputy to State Comptroller Eugene M. Travis, effective March 1.
After leaving government service, Maier was elected Chairman of the New York State Republican Committee, a role which he occupied from 1929 to 1930.