Kolmanis has presented original work throughout the United States, Europe, and Asia, including performances and commissions with Mt. Far Ensemble, Harvard Musical Association, New England Conservatory, American Latvian Association, Dailes Theatre, Great Amber Concert Hall, and major festivals in Latvia and Switzerland. His work has been featured in award-winning film productions, international media, and educational and cultural institutions, and he has collaborated with artists across a wide range of musical traditions.

A dedicated educator, Kolmanis serves on the faculties of New England Conservatory’s Expanded Education Division and Phillips Academy Andover, and has taught at Berklee College of Music’s Guitar Sessions. His teaching emphasizes creativity, improvisation, musicianship, technical development, and helping students cultivate an individual artistic voice while building strong musical fundamentals.

Kolmanis holds a Bachelor of Music from Berklee College of Music and a Master of Music in Contemporary Improvisation from New England Conservatory. He is currently active as a composer, performer, recording artist, and educator, developing new interdisciplinary works that explore sound, ecology, literature, and intercultural dialogue.