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Our Members

Learn more about the magical members of Disney A Capella


Yoon Duk Kim

PhD Candidate  |  Totoro, My Neighbor Totoro

If you meet Yoon Duk, show him pictures of cuddly animals. He will appreciate them and consider you his friend. Yoon Duk likes to play the piano or check off items on his to-do list in his spare time. Singing with Disney and watching their goofy antics is his favorite part of the week. Yoon Duk is studying marketing in Wharton's doctoral program and has a habit of making lame jokes about whatever he's been reading. Approach at your own risk!


Mikey Jonathan

Masters Student  |  Genie, Aladdin

Mikey has graduated from the Vagelos Molecular Life Sciences Program majoring in Biochemistry, Biophysics and Economics. Having travelled “miles and miles from [his] nice, warm bed” in Jakarta, Indonesia, Mikey is excited to be a “Part of [the Disney A Cappella] World.” When not enjoying the “Bare Necessities of [College] Life,” Mikey is also involved in the Penn Glee Club, the TAC-e community, and the Penn Mental Health community. In his spare time, Mikey enjoys working out, cooking, and exploring new places.

Fun Fact: Mikey is an avid penguin-lover, and collects penguin “gadgets and gizmos aplenty.”


Theresa Dierkes

Class of '20  |  Mary Poppins, Mary Poppins

Theresa Dierkes is a senior nursing student who decided to bring her shower singing talent to Disney. Apart from Disney, she is involved with Penn Singers and Penn Newman. She is always up for conversation and a good laugh especially when there is coffee or chocolate involved.


Geli Du

Class of '20  |  Judy Hopps, Zootopia

Geli Du is a senior in bioengineering from San Francisco, California. Born in the Philippines but having grown up in the Bay, she exclusively listened Filipino pop-rock ballads, R&B Grammy hits, and timeless Disney tunes while growing up. Though over the years her music taste has made its way across the genres, Disney has been and always will be close to her heart. Between coordinating music for the Christian Union and working in a Penn bioengineering lab studying C. elegans neurobiology, Geli loves to cover songs, play the piano, and create music.


Jackson Foltz

Class of '20  |  Ryan Evans, High School Musical

Jackson is a senior studying International Relations in the College. Ever the smiler, you can almost always find him looking to talk to you about how your week is going or how your weekend was. Jackson is overjoyed to be a member of Disney a Cappella, as he finds his inspiration in the compassionate goofiness that so many Disney princes demonstrate. Indeed, his favorite movie (and movie character, if not Abu) is Aladdin!


Michael Mahoney

Class of '20  |  Joy, Inside Out

Certified legend. Michael’s pride and optimism makes him just like Joy from “Inside Out”, which is also his favorite Disney Movie! Michael is a junior studying math. He is also a percussionist in Penn Symphony Orchestra and a swimmer for Penn’s club Swim team. When he’s not doing any of that, you can usually find him in his room playing Super Smash Bros. Melee. Michael is HYPED to be a part of the most fun a capella group on campus!


Birsu Baç

Class of '21  |  Belle, Beauty and the Beast

Birsu Baç is a junior from Istanbul, Turkey. Born in Philadelphia and raised in Turkey, she studies biology and economics at Penn. She loves animals, especially cats, so you will probably find her petting a dog or cooing over a squirrel on campus. Disney is very close to her heart as she grew up with Disney movies, Beauty and the Beast being her favorite. Music is one of her biggest passions so she is thrilled and extremely grateful to be a part of the Disney A Cappella.


Ryo Ohashi

Class of '21  |  Lumiere, Beauty and the Beast

"Dance like there's nobody watching,
Love like you'll never be hurt,
Sing like there's nobody listening,
And live like it's heaven on earth.”
― William W. Purkey


Lilly Joseph

Class of '21  |  Shego, Kim Possible

Lilly is a junior in the College of Arts and Sciences studying physics. She's our local twitter stan and meme dictionary, and she can't go a day without quoting a vine. When she's not in rehearsal, she's busy saving that coin so that she's ready for BTS tickets to drop at a moment's notice.


Erica Winston

Class of '21  |  Isabella, Phineas and Ferb

Erica Winston is a junior studying Computer Science in the Engineering School. She is from Woodcliff Lake, New Jersey. She is very excited to be in Disney A Cappella because she's grown up singing Disney with her sister and cousins. Erica is also a member of the Penn Band. Her favorite Disney movie is the Lion King, but she has a soft spot for The Little Mermaid, Beauty and the Beast, and Mulan.


Kengo Shigeta

Class of '21  |  Remy, Ratatouille

"Life is not about waiting for the storm to pass. It's about learning to dance in the rain."


Anyka Chan

Class of '22  |  Anakin Skywalker, Star Wars

Anyka Chan is a sophomore from California, studying Computer Science in the Engineering school. Her passions are Netflix, coding, and Karaoke, especially if she's allowed to sing Panic! at the Disco or Disney songs. Her favorite Disney movie is the Lion King, but Mulan and Princess and the Frog are up there. She has always loved singing, especially in choirs/groups, and is so excited to be doing so at Penn with Disney A Cappella!

PS. Yes she did pick her disney character as a pun on her name


Analyn Sil

Class of '22  |  Violet, The Incredibles

Analyn Sil is a sophomore who plans (at least for now) to study biochemistry in the college of arts and sciences. Outside of her curiosity in biological sciences, she loves piano, sushi, The Office, and of course, singing. Aside from Disney A Cappella, she also is part of Penn Sirens and the TAC-e cast. She is so grateful to be part of Disney A Cappella since she has loved Disney movies her whole life, and now she can sing tons of Disney songs with an awesome, talented group!


Angelina Susanto

Class of '22  |  EVE, Wall-E

Angelina is our president and a sophomore from Los Angeles County, California. She currently studies in the Wharton School at Penn because she likes to work with people, hoping to concentrate in Management and Social Impact & Responsibility. Angelina loves to explore cities and eat different foods. She also enjoys choir and yoga and loves the community that Disney A Capella brings.


Laura (Lach) Rono

Class of '22  |  Malina, The Emperor's New School

Laura is a sophomore in the College. She's from Nairobi, Kenya! She plans to study Music and Psychology and eventually merge the two to fulfill her passion in Music Education and Therapy. Everyone at home knows her as the songbird, and making music with other talented people makes her very happy! Fun fact: She always melts her ice-cream before having it.


Kevin Zhao

Class of '22 | Jiminy Cricket, Pinocchio

"According to all known laws of aviation, there is no way a bee should be able to fly. Its wings are too small to get its fat little body off the ground.

The bee, of course, flies anyway."