Sonja received her undergraduate diploma in Voice, Acting and Dance in Germany where she was born and raised and her Master of Music degree with Marlene Malas in the United States. Sonja made her professional Opera debuts singing Hänsel in ‘Hänsel und Gretel’ with the Nordharzer Staedtebundtheater as well as Nancy in ‘Martha’ with the Staatsoperette Dresden, Germany, where she was under a full-time soloist contract for several years prior to her move to the United States. In the U.S., Sonja made her debut covering Beatrice in ‘Beatrice et Benedict’ and singing the Maidservant in ‘Simon Boccanegra’ during her stay as Apprentice Artist with the Santa Fe Opera.

Sonja’s repertoire embraces a wide range of operatic roles (Rosina in ‘The Barber of Seville’, Hänsel in ‘Hänsel und Gretel’, Nancy in ‘Martha’, Beatrice in ‘Beatrice et Benedict’, Orlovsky in ‘Die Fledermaus’, The Mother in ‘Amahl and the Night Visitors’, to name a few), Musical Theatre ( Eliza in ‘My Fair Lady’, Anita in ‘West Side Story’, Mary Magdalene in ‘Jesus Christ Superstar’), as well as Concert (Beethoven’s 9th Symphony, Händel’s Messiah, Stravinsky’s Les Noces, Bach’s St. Matthew’s Passion, St. John’s Passion, Christmas Oratorio, Caldara’s Christmas Oratorio, Vivaldi’s Gloria, Durufle’s Requiem, Mozart’s Requiem and Coronation Mass, Prokofiev’s Alexander Nevsky and many more).

Appearances include the Staatsoperette Dresden, the Santa Fe Opera, Volkstheater Rostock, Nordharzer Staedtebundtheater, Babelsberger Filmorchester, Bochumer Symphoniker, Baton Rouge Symphony among others. Recent appearances include Da Camera, the Bach Society, Mercury Baroque, Symphony of Southeast Texas, the Greenbriar Consortium, the Houston Chamber Orchestra, the Houston Chamber Choir, ROCO, The Roundtop Institute and Ars Lyrica.
Sonja is also an active and passionate recitalist, specializing in German Art Song and contemporary repertoire.

Besides being a performing Artist, Sonja enjoys her opportunities to creatively design concert experiences and programs as well as her engagements to talk to students about creative approaches to their career paths.