Jung Hee Cheon (born 1969) is a South Korean professor in the Department of Mathematical Sciences, the director of Industrial & Mathematical Data Analytics Research Center (IMDARC) at

Seoul National University Seoul National University (SNU; ) is a public university, public research university in Seoul, South Korea. It is one of the SKY (universities), SKY universities and a part of the Flagship Korean National Universities. The university's main c ...

(SNU), and

CEO A chief executive officer (CEO), also known as a chief executive or managing director, is the top-ranking corporate officer charged with the management of an organization, usually a company or a nonprofit organization. CEOs find roles in variou ...

of CryptoLab. His research interests include

computational number theory In mathematics and computer science, computational number theory, also known as algorithmic number theory, is the study of computational methods for investigating and solving problems in number theory and arithmetic geometry, including algorithm ...

cryptology Cryptography, or cryptology (from "hidden, secret"; and ''graphein'', "to write", or ''-logia'', "study", respectively), is the practice and study of techniques for secure communication in the presence of adversarial behavior. More gener ...

, and

information security Information security is the practice of protecting information by mitigating information risks. It is part of information risk management. It typically involves preventing or reducing the probability of unauthorized or inappropriate access to data ...

. He is one of the co-inventors of

HEaaN HEAAN (Homomorphic Encryption for Arithmetic of Approximate Numbers) is an open source homomorphic encryption (HE) library which implements an approximate HE scheme proposed by Cheon, Kim, Kim and Song (CKKS). The first version of HEAAN was pub ...

Education and career

Born in South Korea, Cheon received his

Bachelor of Arts A Bachelor of Arts (abbreviated B.A., BA, A.B. or AB; from the Latin ', ', or ') is the holder of a bachelor's degree awarded for an undergraduate program in the liberal arts, or, in some cases, other disciplines. A Bachelor of Arts deg ...

Master of Science A Master of Science (; abbreviated MS, M.S., MSc, M.Sc., SM, S.M., ScM or Sc.M.) is a master's degree. In contrast to the Master of Arts degree, the Master of Science degree is typically granted for studies in sciences, engineering and medici ...

, and

Ph.D A Doctor of Philosophy (PhD, DPhil; or ) is a terminal degree that usually denotes the highest level of academic achievement in a given discipline and is awarded following a course of graduate study and original research. The name of the deg ...

, all in Mathematics from

KAIST KAIST (originally the Korea Advanced Institute of Science and Technology) is a national university, national research university located in Daedeok Innopolis, Daejeon, South Korea. KAIST was established by the Korean government in 1971 as the ...

in 1991, 1993, and 1997, respectively. Before joining SNU, he was a senior member of research staff at ETRI (1997–2000), a visiting scientist at

Brown University Brown University is a Private university, private Ivy League research university in Providence, Rhode Island, United States. It is the List of colonial colleges, seventh-oldest institution of higher education in the US, founded in 1764 as the ' ...

(2000), and an assistant professor at ICU (2000-2003). Dr. Jung Hee Cheon is also one of the inventors of braid cryptography, a

group-based cryptography Group-based cryptography is a use of groups to construct cryptographic primitives. A group is a very general algebraic object and most cryptographic schemes use groups in some way. In particular Diffie–Hellman key exchange uses finite cyclic gro ...

scheme, and was previously known for his work on an efficient algorithm for the strong DH problem. Cheon is actively working on homomorphic encryptions and their applications, including machine learning, homomorphic control systems, and DNA computation on encrypted data.

Awards

* 2023: Fellow of the IACR * 2022:

Order of Service Merit The Order of Service Merit () is one of South Korea's orders of merit. It is awarded by the President of South Korea to public officials, private school teachers, and special post office employees for "outstanding meritorious services by applying ...

(Green Stripes) * 2022: Member of the KAST * 2021: PKC Test-of-Time award * 2020: Asian Scientist 100, ''

Asian Scientist ''Asian Scientist'' is an English language science and technology magazine published in Singapore. History and profile ''Asian Scientist'' was launched as a blog in March 2011 by Juliana Chan. The blog's popularity eventually led to a partnersh ...

'' * 2019:

POSCO TJ Park Prize POSCO TJ Park Prize () is an annual award presented by the POSCO TJ Park Foundation in four categories; science, education, community development and philanthropy, and technology. The science prize is given to Korean scientists in natural science ...

, POSCO TJ Park Foundation * 2018: The Scientist of the month by Korean government * 2015: The best paper award in

Eurocrypt EuroCrypt is a conditional access system for Multiplexed Analogue Components-encoded analogue satellite television Satellite television is a service that delivers television programming to viewers by relaying it from a communications satell ...

* 2008: The best paper award in

Asiacrypt The International Association for Cryptologic Research (IACR) is a non-profit scientific organization that furthers research in cryptology and related fields. The IACR was organized at the initiative of David Chaum at the CRYPTO '82 conference. ...

Service

Dr. Jung Hee Cheon has served as program chair and co-chair for multiple conferences, including ICISC 2008,

ANTS Ants are eusocial insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera. Ants evolved from vespoid wasp ancestors in the Cretaceous period. More than 13,800 of an estimated total of ...

-XI,

2015/2016, MathCrypt 2013/2018/2019/2021, and PQC2021/2022. He was one of the two invited speakers at Asiacrypt 2020. He also contributes as an editor of the ''

Journal of Cryptology The ''Journal of Cryptology'' () is a scientific journal in the field of cryptology and cryptography. The journal is published quarterly by the International Association for Cryptologic Research. Its editor-in-chief is Vincent Rijmen Vincent ...

''.

References

External links

Faculty page
at Seoul National University Department of Mathematical Sciences {{DEFAULTSORT:Cheon, Jung Hee 1969 births Living people 20th-century South Korean mathematicians 21st-century South Korean mathematicians Academic staff of Seoul National University KAIST alumni Number theorists POSCO TJ Park Prize South Korean computer scientists