Voice Teachers


Dr. Allyss Haecker

Dr. Allyss Haecker was most recently the conductor of the St. Olaf College’s Cantorei and is currently a professional singer with the Minnesota Chorale and See Change Treble Choir. Formerly, Dr. Haecker served as an Associate Professor of Music and the Director of Choral and Vocal Studies at Emory & Henry College (VA) where she taught voice, conducting, choral methods, vocal pedagogy, diction, and directed the Concert and Chamber Choirs. Dr. Haecker has also served as the Director of Vocal and Choral Studies at Newberry College (SC) and the National Music Conservatory in Amman, Jordan. For sixteen years, she served on the vocal and conducting faculty of the Performing Arts Institute, a summer festival for students of music, dance, and theater. Previously, she taught choral music in the Fenton Area Public Schools (MI) and was the Artistic Director of the Saginaw Youth Chorale (MI). Dr. Haecker received her doctor of musical arts in choral conducting and literature from the University of Iowa, her master of music degree in choral conducting from the University of Illinois, and her bachelor of music education degree from Converse College (SC). She is a frequent clinician and guest conductor for district, state, and regional choral festivals.

Dr. Haecker’s ongoing research includes contemporary South African choral music and its impact on social and political change. She was a recipient of the T. Anne Cleary International Research Fellowship which allowed her to study and perform throughout South Africa. Most recently, Dr. Haecker presented her research at the 2018 Annual African Conference. Her time in the Middle East has also led to research and performances of unpublished Arab choral music. She has twice presented at the Virginia Music Educators Association Annual Conference on topics of vocal pedagogy and courageous music-making. To watch her recent Ted Talk and hear recent performances by Dr. Allyss Haecker, please visit www.allysshaecker.com.

Dr. Haecker lives in Northfield, Minnesota with her husband, Arthur, and their son, Kai.
“I am honored to join the Vocal Performance Program at Shattuck-St. Mary’s. The individual attention, superb pedagogy, and performance opportunities found within this program prepare students for a highly successful and professional trajectory. I am simply in awe of the talent, expressivity, and poise demonstrated by the singers at Shattuck-St. Mary’s,” said Haecker.

David Walton

David Walton has made numerous appearances across the country as an up-and-coming lyric tenor. Recent roles include Count Almaviva, “a reedy tenor with requisite Rossini high notes” (The Wall Street Journal) in Francesca Zambello’s new production of Il Barbiere di Siviglia at The Glimmerglass Festival and Ernesto in Don Pasquale with Minnesota Opera, where David was hailed as “a true lyric tenor with strong Italianate stylings” and credited with “the sweetest singing of the evening” (Star Tribune). Other operatic appearances include the title role in Albert Herring with Union Avenue Opera, Belmonte in Mozart’s Die Entführung aus dem Serail with Madison Opera, and Tonio in La fille du régiment with Opera Carolina. 
 
David spent two years as a member of Minnesota Opera’s prestigious Resident Artist Program. There, he sang Tamino in Die Zauberflöte, Tybalt in Gounod’s Roméo et JulietteOther credits as a Resident Artist include multiple world premieres including covering Larry Renault in William Bolcom’s Dinner at Eight and singing Delbert Grady in Paul Moravec’s The Shining, where Opera News described him as “equally chilling in his casual charm and suavity.” 
 
David made his Glimmerglass debut as Parpignol in La bohème and sang the role of Count Alberto in Rossini’s L’occasione fa il ladro as a member of their Young Artist Program. He also covered Reverend Parris in Francesca Zambello’s staging of The Crucible, performed the tenor solo from Rossini’s Stabat Mater, and played Frederic in a scene from The Pirates of Penzance for special guest Justice Ruth Bader-Ginsburg. As a Gerdine Young Artist with Opera Theatre of Saint Louis, David covered Matthew Gurney in Tobias Picker’s Emmeline, sang a Student in La rondine, and Belmonte in scenes from Mozart’s The Abduction from the Seraglio with the Saint Louis Symphony. He also sang Azor in Opera for the Young’s tour of Zemire et Azor by André Grétry and both Belmonte and Ernesto with Brava! Opera Theatre in Ashland, Oregon. He also sang with Cantus Vocal Ensemble for three full seasons, touring the country and the world appearing at The Kennedy Center, The Royal Opera House of Muscat Oman, NPR Tiny Desk, and A Prairie Home Companion.
 
David is a 2017 Sullivan Grant Winner with the William Matheus Sullivan Foundation. He won 2nd place and Italian Diction award in the 2017 Marcello Giordani Foundation International Vocal Competition, 2nd place and Audience Choice Award with the 2017 Opera Birmingham Vocal Competition, and was District Winner in Minnesota for the Metropolitan Opera National Council Auditions. 

Concert highlights include performing the tenor solo in Handel’s Messiah with the Atlanta Symphony Orchestra, Indianapolis Chamber Orchestra, South Dakota Symphony Orchestra, and Rogue Valley Symphony; Mendelssohn’s Lobgesang with Lipscomb University; Carmina Burana with the Virginia Tech Symphony; Cantata BWV 88 with the Minnesota Bach Ensemble; Bach’s Magnificat and Cantata BWV 80 with the Atlanta Symphony Orchestra under the baton of Robert Spano. Future concert performances include recitals with the Schubert Club and JOYA concert series plus Mozart’s Requiem with the Reno Philharmonic and National Lutheran Choir.