There, he obtained a law degree, subsequently working as a magistrate and lawyer.
A member of the National Liberal Party, he was first elected deputy in 1892.
After leaving the ministry, he became head of Casa rurală bank.
In 1920, he was vice president of the agrarian committee, shortly before land reform was carried out.
Nicolaescu twice served as Senate President: February to March 1926 and July 1927 to November 1928.