Our Instructors

PDX Vox instructors are all skilled singers, creative arrangers, versatile musicians, and patient teachers who have a passion for bringing the a cappella experience to all types of singers. We are all committed to supporting individual singers with their musical goals as well as building a strong team spirit within each group we lead.


Instructor Internships

We offer instructor internships to people with a cappella experience who want to learn how to direct community a cappella groups through our model.

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Marie Schumacher

Artistic Director and Instructor

Marie founded PDX Vox in 2004 as a way of integrating her backgrounds in a cappella singing, vocal performance, psychology, and education. As an undergraduate, she directed, managed, and arranged for the Harvard-Radcliffe Opportunes, a mixed a cappella group. She has studied voice, guitar and piano privately for many years, and she has taught singing to adults and children, in both individual and group settings. Marie is a songwriter, a recording artist and a seasoned performer who has released four albums of original music. She also has a master’s in educational psychology and coaches a cappella groups as Central Catholic High School and Pacific Crest Community School. She is also the director of Caz Northwest, a performing arts family camp.

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Aaron Elliott


Aaron has been singing and participating in music since the age of 5. While in college at Drake University, he performed in many of Drake’s choral and instrumental ensembles and co-founded their a cappella group. In Portland, he has performed in many groups, both as a vocalist and a bassist, including in his own band, Andrew’s Ave. In 2015, Aaron joined forces with fellow PDX Vox instructor Steven Patton to form Flyover States, a harmony-rich folk duo. He began teaching with PDX Vox in fall 2012.

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Steven Patton


Steven has been singing in choral, a cappella and other performing groups since he was in middle school. He recently earned a music therapy degree from Marylhurst University. He has vocal music degree from Drake University, where he co-directed, performed in and arranged for the men’s a cappella quintet, Captain Geech and the Shrimp Shack Shooters. He was also part of Drake’s concert and chamber choir, and he has sung with the Heartsong Carolers in Portland. He currently sings and plays piano in his band, Andrew’s Ave. and performs often as part of Flyover States. Steven also released a solo EP early in 2016. He has been teaching with PDX Vox since fall 2011.

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Chloé Serkissian

Interning Co-Instructor

Chloé grew up in Northern California and graduated from Whitman College in May of 2018 with a BA in Anthropology and a minor in Film and Media Studies. As a child, she learned to play the recorder, violin, and saxophone, then discovered her love of singing as a teenager. This led her to singing with others, learning guitar to accompany herself, and writing original songs. While at Whitman, Chloé co-directed and arranged for the female a cappella group Sirens of Swank and found how a cappella merges the magic of group singing with important lessons of team work, trust and friendship. Chloé currently works as a nanny during the day and performs as part of the acoustic trio Pacific.


Bailey Dean

Instructor Intern

Bailey Dean received her Bachelor of Arts degree in music from Lewis & Clark College in May of 2016. She studied voice as her main instrument, and was an active member in the touring mixed chorus Cappella Nova as well as the student-run a cappella group The Merryweathers. As a self-proclaimed choir and a cappella geek, her final project consisted of a thesis exploring the arranging style and vocal techniques of the Swingle Singers vocal ensemble. She has been singing in group ensembles since the age of five and continues to pursue music as a career. She currently teaches private lessons in voice and piano, and she is the assistant conductor for two choirs at Lewis & Clark College.


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This music is so fun to learn with our patient teachers, and you make a lot of new friends in the process.

— Jim, Tuesday Group