Teo (EION)

For other people known as 'Teo', 'Wonjun' or 'Jongwon, see Teo and Wonjun and Jongwon.

Teo

Profile photo for EION

Background

Other name(s)

Wonjun (원준) (former)
Jongwon (종원) (former)

Birth name

Choi Jong-won (최종원)

Birth date

March 21, 2002 (age 23)

Birth place

Seoul, South Korea

Height

181 cm (5 ft 11 in)

Career

Occupation

Singer

Group debut

July 29, 2022 (Nonstop)

Years active

2022–present

Agency

Wannabe Entertainment (2025–present)
ICE Entertainment (2024–2025)
Future Idol Asia (2022)

Associations

EION
HALF&HALF
Nonstop

SNS

Related Wikis

Teo (태오; formerly known as Wonjun and Jongwon) is a South Korean singer under Wannabe Entertainment. He is a member of the upcoming boy group EION and a former member of the pre-debut boy group HALF&HALF and the project boy group Nonstop.

Career[]

2022–2025: Nonstop, HALF&HALF, EION[]

On July 27, 2022, Nonstop revealed their upcoming second digital single, "Hope Song", where Jongwon was announced as a new member. Later, "Hope Song" was officially released on July 29.^[1]

Sometime in 2024, he silently departed from Nonstop. Sometime later, he was revealed as a member of HALF&HALF.

On July 25, 2025, HALF&HALF released a statement announcing that their official Instagram account would be terminated and the members would be going their separate ways.^[2]

On September 18, 2025, he was announced as one of the members of Wannabe Entertainment's upcoming boy group EION.^[3]