Staff and Contacts

If you need to contact CODS as a whole (for sponsorships, questions, problems, concerns, etc.) please use our official email: chemolyds@gmail.com.

Active Staff Members

Elizabeth Davis (ayameelizasuzuki), USA

Picture of Elizabeth Davis (ayameelizasuzuki), USA

Elizabeth leads CODS's Outreach initiative and has run its online community since 2019. She is currently pursuing a doctorate in Pharmaceutical Studies at The Ohio State University and is an avid Buckeye fan. In her free time, she enjoys singing, gaming, working out, and volunteering. You can often find her hanging out in the CODS Discord so please stop by!

Contact for: MAIN CONTACT. Any sector.

Ihor Kholomieiev (Igeru#8910), Ukraine

Picture of Ihor Kholomieiev (Igeru#8910), Ukraine

An avid competition writer since Fall 2021, Ihor first joined the staff team in 2022. He is an IChO 2021 silver medalist and received multiple awards in his national olympiad. He was a student in the National University of Kyiv where he did research in organic chemistry before transferring to the University of Groningen. Aside from chemistry, he enjoys cooking and watching random YouTube videos.

Contact for: Lectures

Dillion Lim (theorangejuice), Singapore

Picture of Dillion Lim (theorangejuice), Singapore

Dillion started off his journey with research in environmental chemistry, going so far as to participate in the International Science and Engineering Fair (ISEF). He has ventured into Chemistry Olympiads and helps to mentor students. He also enjoys writing questions - you will see him writing a fair few questions in CODSCompetitions. He firmly believes in the need for equitable access to quality resources, and thereby joined CODS in 2022 to help realise this dream for others. Aside from chemistry, he enjoys programming and playing the piano.

Contact for: Competitions

Kwanwoo Park (fizzest), USA

Picture of Kwanwoo Park (fizzest), USA

Kwanwoo is a luxury chemist who wishes to be unidentified. He touches grass and works with benzene, perhaps reducing his life expectancy by 20 years.

Contact for: No preferred sector

Anurag Sodhi (a.new.rag), USA

Picture of Anurag Sodhi (a.new.rag), USA

Anurag is a senior in high school who has been part of the CODS community since 2018; he now helps edits (and occasionally writes) for CODSCompetitions since SOCC '23. An avid competitor in chemistry olympiad himself, Anurag has qualified for the United States IChO Team ('23, Gold Medalist) and the US Chemistry Olympiad Camp ('22, '23). Asides from chemistry, Anurag enjoys following the NFL as well as grinding Tetris and chess. He also occasionally touches grass in the forms of playing frisbee or badminton.

Contact for: Competitions, Lectures

Jeremy Tinana (jerdan1980), USA

Picture of Jeremy Tinana (jerdan1980), USA

Jeremy was part of CODS's initial admin team of 2018, and now works mainly on updating and maintaining the website and discord features. He has bachelor degrees in (generalized) Chemistry and Computer Science from the University of Florida. Aside from chemistry, Jeremy is a passionate reader, gamer, and cook.

Contact for: Website, anything programming related

Ranen Yong (rymh), Singapore

Picture of Ranen Yong (rymh), Singapore

Ranen joined the CODS community in 2023, and has been setting problems for our competitions since then. Besides being a camper, he has dabbled in research, presenting his work on the synthesis and applications polypeptide complexes at the Singapore Science and Engineering Fair (SSEF). Beyond chemistry, Ranen also enjoys music (particularly music theory and piano), cooking/eating, and anime.

Contact for: Competitions

Competition Writers

Anathan Sadagopan
Erick Wu
Ihor Kholomieiev
Jeremy Tinana
Lasse Johnson
Lim Dillion
Lin Bigom-Eriksen
Matthionine#9769
Nick Ouyang
Nick Tsao
Nipun Dour
Nishaant Jacobus
Qiyang Zhao
Ray Zhou
Ron Shprints
Thomas Falkenberg
Tomasz Ślusarczyk
Tristan Chau
Yiwei Liang
bluepianist#9293
lof#4839

Retired Staff Members

Staff Member
Nicolai Bogø Stabell
Anugrah Chemparathy
Alec Zhu
Philip Jeong
Dan Ni

ISO Discord Network

We are a part of the International Science Olympiads Discord Network (ISODN). You can join our services and websites with their respective links below:

Science OlympiadsDiscord LinkWebsite Link
Chemistry OlympiadsLinkLink
ISO Discord NetworkLinkNone
Mathematical OlympiadsLinkLink
Physics OlympiadLinkLink
Earth Science OlympiadsLinkNone
Astronomy OlympiadsLinkNone
Biology OlympiadsLinkNone
Linguistics OlympiadsLinkNone