Melissa has a vibrant vocal studio in Venice, California. She has also held teaching positions at Loyola Marymount University and Santa Monica College. Melissa is a frequent masterclass technician throughout Los Angeles.


Melissa has also given workshops on the speaking voice to CEOs from around the world and has worked with the management teams of Orange Theory Fitness. 



Melissa received her Doctor of Musical Arts degree from the University of Southern California, a Master of Music from DePaul University and a Bachelor of Music from Northwestern University.  She won a fellowship to participate in the 2019 NATS Intern Program, the premiere voice teacher training program in the US.

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Mezzo-soprano Melissa Treinkman sang in the Featured Ensemble for the GRAMMY award winning production of The Ghosts of Versailles and played the role of the Vendor in Carmen, both at LA Opera. She is a regular singer with the LA Opera Community Engagement Program and the LA Opera Chorus. Melissa performed the role of Dulcinea in the world premiere of Juan Colomer's opera Dulcinea XL, the role of  Clytemnestra in a concert version of The Intuition of Iphegenia by Nathan Wang, and was a featured singer in the world premiere of the dance opera, Beyond the Waterfront, produced by the Heidi Duckler Dance Theater and LA Opera. Melissa performed the role of Tisbe in La Cenerentola, Mercédès in Carmen, and Suor Infermiera in Suor Angelica. Melissa participated in artist training programs at Utah Opera, Sarasota Opera, Chicago Opera Theater, Opera North, and Cedar Rapids Opera. 


Melissa's scholarly articles have been published in the prestigious Journal of Singing and the Journal of Voice. She has presented her research at conferences given by the Voice Foundation and the National Association of Teachers of Singing.  Melissa was the 2020 recipient of the Voice Foundation's Sataloff Award for Young Investigators and she was the first researcher to win the award in the category of vocal pedagogy.