[2] After college, Ollmann moved to Milwaukee, Wisconsin to begin a singing and theatrical career.
He studied singing with Marlena Malas, Yolanda Marculescu and Gérard Souzay.
[4] Ollmann sang the role of Maximilian for the recording of Candide, which was again composed and conducted by Bernstein.
[5] In the 1990s Ollmann lived in Santa Fe, New Mexico, with his then-partner, director and A Quiet Place librettist Stephen Wadsworth.
[5] His current partner is Bill Lavonis, an operatic tenor, whom he began dating in 2000; the two have sometimes performed together.