Walker-Vankuren is a soulful Shroeder. He has great comic timing and a rich voice that is comfortable at both the top and bottom of his range. His showcase number “Beethoven Day” is a crowd favorite.”
— Front Row Reviewers (Charlie Brown, 2018)
 
Jonathan Walker-Vankuren as Schroeder had perhaps the best voice of the evening, which made the number “Beethoven Day” a pleasure to sit through.
— Utah Theatre Bloggers Association (Charlie Brown, 2018)
Three members of the 2019 Opera Southwest Young Artist Program: Matthew Soibelman as the Treasurer, Jonathan Walker-VanKuren as Orsocane’s Adjutant, and Kameron Ghanavati as Alì Babà’s Slave Faor, impressed me with both their vocal abilities and their stagecraft.
— Opera Today (Ali Baba, 2019)
 
The doctor made a pass at Lola but she was only interested in her lover, Donald, played by the verismo-voiced Jonathan Walker VanKuren, who happened to be their current patient.
— Broadway World (Gallantry, 2018)