With a scholarship from the Studienstiftung des deutschen Volkes, he continued his vocal training at the Juilliard School in New York City with Daniel Ferro.
Wottrich sang the title role in Wagner's Tannhäuser at La Scala and Florestan (Fidelio) at the Royal Opera House Covent Garden in London.
He made his debut as Siegmund in Wagner's Die Walküre at the Staatsoper Dresden, and sang Parsifal for the first time in Oslo.
[6][7] In the first performance of Tristan in the Teatro San Carlo in Naples under Zubin Mehta, he sang the title role in 2015, in the Oper Leipzig he was Arindal in Wagner's Die Feen.
Wottrich had one of his last stage appearances as Hagenbach in the production of Alfredo Catalani's La Wally at the Wiener Volksoper.