The people who go.
Voice of Calling is run by students. Here are the people leading it now, the ones who led it before, and everyone who has been part of it since 2019.
Student Council
Henry Ji
President of Operations
Isaac Lee
President of Operations
Dayeon Lim
President of Education
Min Chang
President of Education
Zachary Moon
VP of Finance
Ethan C. Lee
VP of Technology
Jake Lee
VP of Marketing
Hajin Park
VP of HR
Jaeyun Park
Secretary
Heads of project
Students who have led Future of Tanzania and Showdown.
Serena Nam
Future of Tanzania Season 1
Roy Park
Future of Tanzania Season 1
Sean Kim
Future of Tanzania Season 2, 3
Taeyeon Paik
Future of Tanzania Season 2, 3
Jacob Kwon
Future of Tanzania Season 3
David Chung
Future of Tanzania Season 3
Baron Kim
Future of Tanzania Season 4
Aiden Park
Future of Tanzania Season 4
Benjamin Bae
Head of East Africa Initiative and Showdown 2025
Jiwon Baik
Showdown 2025
Boards, year by year
2025–2026 Board (most recent)
Esther JeongPresident of Operations
Ian LeePresident of Operations
Julia LimPresident of Education
Phillip JangPresident of Education
Woojin ChoiVP of Finance- Dayeon LimVP of Marketing
Haram ParkVP of Technology- Henry JiVP of HR
- Min ChangSecretary
2024–2025 Board
Alex LeePresident of Operations- Baron KimPresident of Operations
- Aiden ParkPresident of Education
Connor KimPresident of Education- Ian LeeVP of Marketing
- Esther JeongVP of Technology
Ruikuan ZhuVP of HR- Julia LimSecretary
- Phillip JangVP of Finance
2023–2024 Board
- Sean KimPresident of Operations
- Taeyeon PaikPresident of Operations
Eva ChoiPresident of Education
Nathan KangPresident of Education- David ChungVP of Finance
- Alex LeeVP of Marketing
- Baron KimVP of Technology
- Connor KimVP of HR
- Aiden ParkSecretary
2022–2023 Board
Mincheol SongPresident of Operations
Ashley AnPresident of Education
Hemosoo WooPresident of Education
Jaden ChungVP of Finance
Hannah MoonVP of Marketing- Eva ChoiVP of Technology
- Nathan KangVP of Technology
Catherine ChoVP of Public
Steven KoVP of Public- Connor KimSecretary
2021–2022 Board
Donggun KwakSenior President
Sejin Eric ChoiPresident of Operations
Yunju SongPresident of Education
Daniel SongVP of Technology- Hemosoo WooVP of Technology
- Jaden ChungVP of Finance
- Hannah MoonVP of Marketing
Solomon BaikVP of Public Relations- Ashley AnVP of Public Relations
- Eva ChoiSecretary
2020–2021 Board
- Donggun KwakPresident
Eunice LeeVice President- Yunju SongTreasurer
- Catherine ChoSecretary
Hayley SongMarketing Manager- Mincheol SongEvent Manager
Jason LeeEvent Manager
Minjun KimPR Manager
Every member
Names are listed under the year each person joined. Many people appear in more than one year because they stayed.
201921 members
- Ashley An
- Catherine Cho
- Clay Shin
- Donggun Kwak
- Eunice Lee
- Gene Lee
- Genu Lee
- Hannah Moon
- Hayley Song
- Hemosoo Woo
- Jaden Chung
- Jason Lee
- Joseph Kim
- Joyce Kim
- Julia Jung
- Mincheol Song
- Ryan Han
- Samuel Choi
- Samuel Nam
- Sean Lee
- Yunju Song
202021 members
- Andrew Hong
- Benjamin Seo
- Davin Jeong
- Emily Ryu
- Eva Choi
- Jennifer Lee
- John Lim
- Joshua Nam
- Matthew Ko
- Nathan Kim
- Roy Park
- Sean Kim
- Sejin Choi
- Serena Nam
- Solomon Baik
- Steven Ko
- Yuen Hong
- Belinda Vela
- Elliot Jang
- Ryan Lee
- Steve Lee
202117 members
- Alex Heo
- Alistair King
- Andy Peng
- Caden Kang
- Caleb Lee
- Chad Park
- Connor Kim
- Elizabeth Choe
- Eunchae Kim
- Evan Kang
- Jacob Son
- Leo Park
- Nathan Kang
- Richard Hoffmann
- Sharon Kim
- Sooa Kim
- Taeyeon Paik
202240 members
- Adhithya Cini
- Aiden Park
- Albert Kim
- Alex Lee
- Alexander Morton
- Alexander Park
- Ashlyn Castro
- Asia Campidelli
- Baron Kim
- Benjamin Bae
- Brandon Chang
- Bryce Lee
- Daniel Son
- David Kwon
- David Lee
- Edward Kim
- Eileen Kang
- Eric Lee
- Ethan Lee
- Ethan C. Lee
- Hyunjun(Samuel) Lim
- Jacob Hahn
- Jacob Kwon
- Jeongwon Han
- Jessica
- Jiwon Paik
- Joshua Kim
- Kunwoo Lee
- Leo Deng
- Marcus Aquino
- Matthew Hyun
- Mike Lee
- Nikhilesh Kalyanaraman
- Pranav Basnet
- Raina Bae
- Rhys Panopio
- Sophie Park
- Tyler Park
- Woojin Choi
- Zoey Islam
202336 members
- Aidan Han
- Chris Yun
- Claire Lim
- David Chung
- Deven Mittal
- Donghee Han
- Seyeong (Esther) Jeong
- Edmond Choi
- Ethan Lee
- Ethan C. Lee
- Ethan Wang
- Haesung Bae
- Haram Park
- Henry Ji
- Ian Lee
- Yejoon Jang
- Jason Song
- Jihoo (Julia) Lim
- Joel Kim
- Joseph Jang
- Joseph Lee
- Jung-Jae Yoon
- Justin Kim
- Karen Martinez
- Kate Martinez
- Kenneth Lee
- Min Chang
- Nathan Moon
- Ruikuan Zhu
- Sean Yoon
- Shubhi Mittal
- Vincent Lim
- Yesung (Peter) Jang
- Yeshin Kim
- Zachary Moon
- Zachary Yun
202411 members
- Ananya C.
- Davis Kim
- Dayeon Lim
- Hajin Park
- Ethan C. Lee
- Isaac Lee
- Lynn Ha
- Troy Song
- Woorin Paik
- Yiyang Tan
- Yujin Yang
202542 members
- Aidan Han
- Aidan Park
- Aiden Lee
- Anaya Chopra
- Benjamin Bae
- David Won
- Dayeon Lim
- Edmond Choi
- Esther Jeong
- Ethan C. Lee
- Haram Park
- Henry Ji
- Ian Lee
- Inyoul Hwang
- Isaac Lee
- Isaac Park
- Isabel Zheng
- Isabelle Lim
- Jaeyun Park
- Jain Park
- Jake Lee
- Jay Park
- Jekah Ree
- Jihoo Lim
- Jiwon Paik
- Joel Kim
- Joshua Jung
- Julia Lim
- Kiara Jang
- Lena Park
- Lynn Ha
- Min Chang
- Nathan Moon
- Peter Jang
- Philip Yang
- Sean Yoon
- Troy Song
- Woojin Choi
- Woorin Paik
- Yiyang Tan
- Yujin Yang
- Zachary Moon
Alumni
Where our graduating members went next.
Class of 202616 alumni
- Benjamin BaeUMich
- Daniel EunUPenn Wharton
- Erick HwangUPenn
- Esther JeongYale
- Ethan LeeBrown
- Haram ParkUCLA
- Heasung BaeCooper Union
- Ian LeeMIT
- Jiwon PaikHarvey Mudd
- John LeePurdue
- Julia LimJohns Hopkins
- Peter JangCase Western
- Phillip JangUCI
- Sean YoonCase Western
- Serena KimUW
- Woojin ChoiPrinceton
Class of 202517 alumni
- Aiden ParkColumbia
- Albert KimTufts
- Alex HeoUSC
- Alex LeeStanford
- Alistair KingUPenn
- Baron KimHarvey Mudd
- Connor KimUCD
- Elizabeth ChoeNYU
- Eric LeeYale
- Leo ParkUCB
- Jaeshin KimUCLA
- Jayson SongPrinceton
- Joseph JangUIUC
- Justin KimUCB, EECS
- Raina BaeUCB
- Ruikuan ZhuHarvard
- Tyler ParkColumbia
Class of 202416 alumni
- David ChungCarnegie Mellon
- Eileen KangUCI
- Elliot JangUCB
- Emily RyuPepperdine
- Eva ChoiUCB
- Evan KangUCSC
- Joseph LeeUCSB
- Jacob KwonUCB
- Joshua KimUSC
- Nathan KangPrinceton
- Samuel LimUCB
- Sooa KimCornell
- Sean KimBrown
- Sophie ParkPomona
- Taeyeon PaikUPenn
- Yuin HongUCR
Class of 202323 alumni
- Adhithya CiniUCB
- Andy PengUCLA
- Ashley AnUCD
- Benjamin SeoUIUC
- Caleb LeeLMU
- Chad ParkUCB
- David KwonPrinceton
- David LeePrinceton
- Davin JeongHarvard
- Samuel NamNaval Academy
- Caden KangPrinceton
- Catherine ChoGeorgetown
- Hannah MoonBrown
- Hemosoo WooUPenn
- Jaden ChungBrown
- Leo DengPurdue
- Matthew KoUChicago
- Minjun KimAmherst
- Mincheol SongUCLA
- Richard HoffmannCalTech
- Roy ParkUCI
- Serena NamNYU
- Steven KoUChicago
Class of 202211 alumni
- Clay ShinPepperdine
- Donggun KwakMIT, Suno
- Erin KangUCSD, Medical School
- Julia JungUCSD, Amazon
- Jason LeeCSUN
- Jennifer LeeDartmouth, Amazon
- Joshua NamCarnegie Mellon, Anything
- Samuel ChoiBaylor
- Sejin ChoiUCB, HPE
- Solomon BaikCornell
- Yunju SongPomona, UCLA M.A. in Education Program
Class of 20216 alumni
- Eunice LeeBoston College
- Hayley SongUSC
- Joyce Kim
- Nathan KimUCB
- Steve LeeUCLA
- Andrew HongUCLA
Class of 20205 alumni
- Gene LeeHarvard, Microsoft
- Genu LeeCornell, Universal Studio, Netflix
- Joseph KimUCI
- Ryan HanUCB
- Sean T. LeeUCSD
Competition record
Certificates and awards our members have earned in programming competitions. ACSL is the American Computer Science League; USACO is the USA Computing Olympiad.
- Gene LeeJAVA, C#, Python Certificate, ACSL 2nd Place in Final, USACO Gold, Code Quest 1st place, HSPC 1st Place
- Genu LeePython Certificate, ACSL 1st Place in Final
- Joseph KimJAVA, Python Certificate, ACSL 2nd Place in Final, Code Quest 3rd Place, USACO Silver
- Sean T. LeeJAVA, Python Certificate, ACSL 3nd Place in Final, USACO Silver
- Ryan HanJAVA, Python Certificate, ACSL 2nd Place, USACO Gold, HP Code Wars 2nd Place
- Hayley SongJAVA, Python Certificate, ACSL State Champion, USACO Silver
- Andrew HongPython Certificate
- Clay ShinPython Certificate, ACSL State Champion
- Donggun KwakJAVA, Python Certificate, ACSL 1st, USACO Platinum, Code Quest 3rd, HP Code Wars 3rd
- Jaemin ChoiPython Certificate, ACSL State Champion
- Jason LeePython Certificate, VEX IQ Robotics team TA
- Jennifer LeeJAVA, Python Certificate, ACSL State Champion, ACSL 2nd Place in Final
- Joshua NamJAVA, Python Certificate, ACSL 3rd Place, USACO Silver
- Julia JungJAVA, Python Certificate, ACSL 3rd Place, USACO Silver
- Solomon BaikJAVA, Python Certificate, ACSL State Champion
- Sejin ChoiPython Certificate, ACSL State Champion, USACO Silver
- Yunju SongJAVA, Python Certificate, ACSL 3rd Place, USACO Silver
- Jaden ChungPython Certificate, ACSL 2nd Place, USACO Gold, HP Code Wars 3rd Place
- Daniel SongJAVA, Python Certificate, ACSL State Champion (3 times), Lockheed Martin Code Quest 1st Place, The Paradigm Challenge Finalist, International Appropriate Technology Idea Sketch Contest Creativity Award
- Minjun KimPython Certificate, ACSL 1st Place, USACO Silver
- Samuel NamPython Certificate, ACSL 3rd Place, USACO Silver
- Hannah MoonPython Certificate, ACSL State Champion, USACO Silver
- Catherine ChoPython Certificate, ACSL 1st Place, USACO Gold, HSPC 1st Place
- Davin JeongJAVA, Python Certificate, ACSL 1st Place, USACO Platinum
- Hemosoo WooJava Certificate, Python Certificate, Cloud Practitioner Certificate on AWS, ACSL 3rd Place, USACO Silver
- Eva ChoiHSPC Honorable Award, ACSL 2022 State Champion Team Award, Java Certificate, Python Certificate
- Nathan KangPython Certificate, Java Certificate, ACSL State Champion (4 times), ACSL Gold Medal at Finals (3 times), USACO Silver, Code Quest 2nd, Code Wars 1st, HSPC 1st Place
- Connor KimACSL State Champion
- Cini AdhithyaACSL Gold Medal at Final
- Taeyeon PaikPython Certificate, Java Certificate, ACSL State Champion, HPE Code Wars 11th Place, Code Quest 6th Place
- Leo DengUSACO Gold
- Sooa KimPython Certificate
- Andy PengUSACO Silver
- Caden KangPython Certificate, Java Certificate, ACSL State Champion (4 times), ACSL Gold Medal at Finals (2 times), ACSL Silver Medal at Finals, USACO Silver, Code Quest 2nd, HSPC 1st Place
- HyunJun (Samuel) LimACSL 2023 State Champion, Team Award, HP CodeWars 3rd Place, Mines HSPC 2nd Place, Java Certificate