[10] While still living with his parents, Spero got a break at WNCR when radio host Don Imus helped him get promoted to the morning spot on the station.

"[14] In the spring of 1974, Spero took a break from being a DJ and resigned as the afternoon drive host on WMMS to manage Michael Stanley's career.

[22] Even as he kept a foot in the door with radio via a Saturday show on WNCX, Spero left M105-FM and spent over ten years with Columbia Pictures.

[23] He continued to work up through the ranks and was Columbia's Regional Managing Director in Independence, Ohio, when the film company relocated that office to Chicago.

[20] He also was managing Harry Nilsson in 1994 when the Grammy award winning musician died in his sleep[29] a few days after completing work on his album "Lost and Found".

[22] A few years later, in 2007, Spero was Yusuf Islam's manager, co-managing him with his brother David Gordon, for the Deluxe reissues of Tea for the Tillerman and Teaser and the Firecat.

[38] With his son Adam working alongside him,[8] Spero continues to manage artists from his home in South Euclid, Ohio, representing Dickey Betts, Dave Mason, The Funk Brothers and many others.