Karina Bruk has performed solo, chamber music, and lecture recitals both in United States (Weill Recital Hall, Steinway Hall, New Jersey Performing Arts Center, among others) and abroad. She has presented master classes and workshops at such venues as the New Jersey Performing Arts Center (Newark, NJ), the Handel Haus (Halle, Germany), The Isidor Bajic Music School (Novi Sad, Serbia), and throughout the local area. Currently, she performs with pianist Paul Hoffmann as the Bruk-Hoffmann Piano Duo and with baritone Perry Fine as the Fine-Bruk Duo.

Bruk has articles published in DSCH Journal and the Musicians and Composers of the 20th Century Encyclopedia; and had scholarly works presented at the International Conference of Arts and Humanities in Honolulu, Hawaii. Bruk has been a recipient of numerous awards, among them the GeniaRobinor Award for Teaching Excellence presented by the Piano Teachers Society of America.

Bruk has served as the graduate advisor and coordinator for graduate studies in music: the master of music, artist diploma and doctor of musical arts for the Mason Gross School of the Arts; the graduate advisor and coordinator for the master of arts and doctor of philosophy in musicology and in composition/theory for the School of Graduate Studies (2011-17); and as coordinator of the piano lab (2005-12). Bruk was also chair of the piano department at the Newark School of the Arts (2003-11) and served as an artist-in-residence (2011-14). She has been a judicator for the annual Young Artist Talent Search Jeffrey Carollo Scholarship Auditions at the New Jersey Performing Arts Center. In addition, Bruk is the music director for the musical theatre camp at the South Orange/Maplewood Summer Program. Her professional organization affiliations include World Piano Teachers Association, Piano Teachers Society of America, and the Music Educators Association of New Jersey.