has been praised for her expressive voice, acting talent, innovative productions and abilities in a variety of art forms and musical genres. Her singing career began with the Canadian Opera Company and Canadian Children's Opera Company.

 She holds a Bachelor's degree from the Schulich School of Music (McGill University, Montreal), where she studied with Dr. Tracy Smith-Bessette and Michael McMahon and sang several roles with Opera McGill: Dalinda (Ariodante), Ida (Die Fledermaus), Anna Gottlieb (The Impresario) and directed Offenbach's opera Une Demoiselle en Loterie. In 2018, she won third prize in the Classical Singer competition in Boston, Massachusetts, and the Outstanding Achievement in Voice Award from McGill University.

 She then completed a Master's degree in Opera at the August Everding Theatre Academy in Munich with Talia Or and Julian Prégardien, for which she was one of very few Canadians to receive a German Academic Exchange Service (D.A.A.D.) Scholarship.

 Praised by the Süddeutsche Zeitung for her "narrative power," Jacoba has been in several performances in Germany, including Bechdel Opera: a feminist-satirical opera collage (Theaterakademie), a one-woman show that she conceived, wrote
monologues for, and starred in, 2. Niece in Britten’s Peter Grimes at the Staatstheater Augsburg and an original performance at the Elisabethkirche (Kassel) in Birthe Blauthe’s Poem of Pearls exhibition during the documenta festival 2022.

Jacoba Barber-Rozema was part of the workshop/creation process for the musical adaptation of Ann-Marie Macdonald's novel Fall On Your Knees (National Arts Centre, Canada) and James Garner and Patrick Hansen's operatic adaptation of Shakespeare's Much Ado About Nothing (Guildhall School, London, England).

In concert, Jacoba has been a soloist with the Toronto Symphony Orchestra, the Toronto Bach Consort, the McGill Contemporary Music Ensemble, and the Accademia di Monaco Orchestra. She spent several years with the a cappella group Effusion, recording, arranging and touring and represented Quebec in the 2016 Canadian Youth Choir.

Jacoba Barber-Rozema has also made a name for herself in the world of film with her "beautifully harmonized vocal performance" (Variety Magazine) with her voice as the main element of the score of the Academy Award-winning film
Manchester by the Sea. She has also participated in Into The Forest (composer: Max Richter), The Moth Diaries, Listen to the Chorus (vocals), BON(E)FIRE (composer, singer, dancer, cello) and The Peace Tree, Kit Kittredge, A Wrinkle in Time, Mansfield Park (child actress).

 She also did an internship at the Bolshoi Theatre under director François Girard, while he created a new production of Wagner’s Lohengrin.

She was also the Co-Music Director of Harmunichs, Germany’s foremost women’s Barbershop choir, leading them to win the Gold medal at BinG, Germany’s Barbershop choir competition

She lives in Antequera, Spain with her husband and dog.