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Melissa has a vibrant vocal studio in Venice, California. She currently teachers at the University of Southern California and Loyola Marymount University. 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. 




Mezzo-soprano Melissa Treinkman has enjoyed a diverse career as an opera singer. She sang in the Featured Ensemble for the GRAMMY award winning production of The Ghosts of Versailles. Also at LA Opera, she sang the role of the Vendor in Carmen and a Noble Page in Tannhäuser. A champion of new music, Melissa recently sang the role of El Ángel in a workshop performance of the newly commissioned opera by Carla Lucero, Las tres mujeres de Jerusalén. She also sang the role of Dulcinea in the world premiere of Juan Colomer's opera Dulcinea XL. Other highlights include the role of  Clytemnestra in a concert version of The Intuition of Iphegenia by Nathan Wang and the world premiere of the dance opera, Beyond the Waterfront, produced by the Heidi Duckler Dance Theater and LA Opera. Melissa is a regular singer with the LA Opera Chorus.


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, the National Association of Teachers of Singing, and the Pan American Vocology Association.  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.  


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.