The historian Terry R. Schnadelbach considered him to be "America's forgotten landscape architect.
[3] Vitale moved to Washington, DC, in 1898 in his role of military attache to the Italian embassy.
[5] In 1902, he moved from Genoa to New York, where he joined the firm of Parsons & Pentecost as a landscape architect.
In 1908, he formed a partnership with Alfred Geiffert, and in 1911, he acquired his first major commission: the Red Maples estate in Southampton, New York.
He was an honorary member of the American Institute of Architects,[6] and belonged to various New York social clubs.