Jang Sung-kyu Biography: Age, Career, Net Worth, Instagram, Wife, Children, Ethnicity

Jang Sung-kyu is a talented South Korean television host, YouTuber, and former news announcer recognized for his engaging style in variety shows and his transition from serious news broadcasting to entertaining content.

Known for his humor, candid approach, and popularity on platforms like YouTube with shows such as Workman, he remains a prominent figure in Korean entertainment media.

Profile

• Full Name: Jang Sung-kyu
• Stage Name: Jang Sung-kyu
• Born: April 21, 1983
• Age: 42 years old
• Birthplace: Seoul, South Korea
• Nationality: South Korean
• Ethnicity: Korean
• Occupation: Television Host, YouTuber, Former News Announcer
• Height: 6 feet 2 inches (1.87 m)
• Religion: Christianity
• Parents: Mr. and Mrs. Jang
• Siblings: Unknown
• Spouse: Lee Yu-mi (married 2014)
• Children: Jang Ha-joon
• Relationship: Married
• Net Worth: $5 million USD

Early Life and Education

Jang Sung-kyu is a talented television host, YouTuber, and former news announcer. He was born on April 21, 1983, in Seoul, South Korea. Raised in a typical Korean household, he developed an interest in media and broadcasting during his youth.

He attended Seoul University, where he studied economics, though he took a leave of absence to pursue his broadcasting ambitions and did not complete the degree due to career demands. His early experiences, including competing in MBC’s New Recruit survival audition program, shaped his path into the industry. His ethnicity is Korean. His religion is Christianity.

Career

Jang Sung-kyu first entered broadcasting through MBC’s New Recruit program in 2011, where he stood out among thousands of applicants. He was specially scouted and joined JTBC as part of its inaugural announcers group that year. He focused on news and current affairs, hosting programs such as JTBC Weekend News and JTBC Morning&. He remained with JTBC until March 2019, when he left to pursue freelance opportunities.

After transitioning, he signed with JTBC Studios (later SLL) and gained massive popularity as an “announcer-tainer” with his humorous and relatable style on variety shows. He became widely known for hosting and appearing on programs like Knowing Bros and starring in the YouTube variety show Workman, which features him trying various jobs.

His candid personality and ability to connect with audiences helped him build a large following, including over 1 million on Instagram. In July 2025, he signed with SM Culture & Contents. He has also been active in charity, donating significant amounts to disaster relief efforts, including for wildfires, the Ukraine conflict, and earthquakes. His work spans news, variety, and digital content, solidifying his status in Korean media.

Social Media

• Instagram Handle: @jangsk83

Personal Life

Jang Sung-kyu, 42, and married to Lee Yu-mi, a painter and his elementary school classmate and first love, on May 11, 2014, after dating for about 10 years with a brief separation during their younger years. They reconnected after he became an announcer, and she tested his commitment before they proceeded.

They have two sons: Jang Ha-joon, born on October 15, 2014, and the second boy, whose details are unavailable, born in April 2020. Jang keeps his family life relatively private but has shared moments, such as surprising his wife with a luxury car. He values his long-term relationship, family time, and personal growth while maintaining a positive public image.

Net Worth

Jang Sung-kyu’s net worth is estimated at $5 million USD. His income primarily comes from freelance hosting contracts, YouTube content creation, including Workman, variety show appearances, brand collaborations, and prior news anchoring roles in the South Korean entertainment industry.