He practiced architecture in Bucharest from 1933 until 1947 during which time he designed apartment buildings, hotels, theaters, churches, office buildings, factories and residences; some in collaboration with architect Horia Creangă, grand son of the famous Romanian writer Ion Creangă.

Buildings in Bucharest designed by Georgescu include: Other work outside of Bucharest included: As architect to King Michael: In 1945, Romania fell under Soviet domination and Georgescu fled on September 16, 1947, arriving in the United States five weeks later on October 21.

He resigned in 1951 to relocate his young family to Los Angeles, California, where he was employed by interior designer Paul László (1951–1953), McAllister & Wagner Architects (1953–1954), and Kenneth Lind,(1954–1957).

In the 1960s, Georgescu developed several visionary proposals for the city of Los Angeles with an articulated system of 640-foot high-rise towers containing vertical streets and suspended house lots.

In a eulogy by Nathan H. Shapira of University of California, Los Angeles, Georgescu was described as an avid traveler and a talented writer and critic.