Zhang Hao (Chinese: 章昊; Korean: 장하오; born July 25, 2000) is a Chinese singer based in South Korea and signed under YH Entertainment. He was a member of the South Korean boy band Zerobaseone from its debut in July 2023 until his contract expired in March 2026. He re-debuted as a member of the boy group And2ble under YH Entertainment in 2026.
Zhang finished first in the reality competition show Boys Planet and is noted for being the first foreign contestant to place first in a South Korean idol survival show.
Zhang Hao was born on July 25, 2000 in Nanping, Fujian, China. He originally followed the science academic track in school and consistently ranked among the top 10 in his middle and high school classes. After high school, he was admitted to the geology department at China University of Geosciences, a Project 211 university that, according to U.S. News & World Report, ranked first globally in geosciences. He later stated that his main interest in high school was music, which led him to retake the college entrance exam.
In January 2018, Zhang participated in the national college entrance exam for arts students and ranked first in his home province of Fujian. He then enrolled in musicology at Fujian Normal University and graduated in 2024. While in university, he obtained his teaching certificate to teach music to secondary school students. He played the violin, cello, viola, and piano and performed with the school orchestra.
In 2021, Zhang was recruited by YH Entertainment and trained for 15 months before joining the survival show Boys Planet.
2022–2026: Boys Planet and debut with Zerobaseone
On December 29, 2022, Zhang was unveiled as a contestant on Mnet's reality competition show Boys Planet, and the center of G-Group in the performance of Boys Planet theme song "Here I Am" (난 빛나), which was broadcast on Mnet's M Countdown. The show aired from February 2 to April 20, 2023. Zhang was one of eight trainees representing YH Entertainment, and performed NCT 127's "Kick It" for his first star evaluation on the show.
On April 20, 2023, he placed 1st on Boys Planet with a total of 1,988,154 points, securing his debut as the center of South Korean boy band Zerobaseone (ZB1). The group officially debuted under WakeOne Entertainment with the EP Youth in the Shade on July 10, 2023. Zhang's solo track "Always" was also included in the EP, credited under the group's name. Later, he performed the song solo during the group's first world tour Timeless World and at the 2024 Music Bank Global Festival in Japan.
Beyond group activities, Zhang showcased his violin skills on multiple occasions. On October 21, 2023, Zhang performed g.o.d's "Road" on the violin in Knowing Bros episode 405. In the 87th episode of LeeMujin Service released on November 7, 2023, he performed BTS' "Dynamite" and Ive's "Either Way" on the violin in duet with host Lee Mujin on guitar. On November 28, 2023, he performed Boys Planet theme song "Here I Am" on the violin during the opening performance of the 2023 MAMA Awards.
On January 19, 2024, Zhang's first original soundtrack "I Wanna Know" was released for South Korean dating show Exchange 3. The song debuted atop the weekly Circle Download Chart in the chart issue dated January 14 to 20 and ranked at number 6 on the monthly Circle Download Chart issue dated January 2024. It also topped the iTunes charts of 25 countries and regions, including Spain and Indonesia, which made the song debut at number 1 on iTunes' Worldwide Song Chart. Zhang performed the song at M Countdown on February 1. Later, the song won the OST Popularity Awards at the 3rd Blue Dragon Series Awards and Zhang was noted as the first ever non-Korean artist to win at the Blue Dragon Series Awards. The song remained on the Tencent Music Chart for 37 weeks, becoming its longest-charting K-pop song of 2024 alongside "Fate" by I-dle. In August 2025, the song received the Global Netizen Award in the OST category at the 2025 Newsis K-Expo Cultural Awards.
Zhang also began gaining recognition in the fashion industry through magazines. On January 26, 2024, he made his solo cover artist debut on L'Officiel China's February 2024 Issue with a pictorial titled "Zhang Hao's Languid Winter". He then featured with group member Han Yu-jin on the April 2024 cover of Cosmopolitan Korea, and was recognized as the magazine's first foreign male cover model.
In June 2024, Zhang made his first appearance on Chinese television through the variety show Keep Running. In February 2025, Zhang joined JTBC's pilot program Knowing International High School as a main cast member starting from episode 3. Through his appearances on various entertainment programs, including SBS's What an Idol, Jang Do-yeon's Salon Drip, and MBC's Omniscient Interfering View, Zhang was described by Ilgan Sports as an emerging 'blue chip' in the entertainment industry. Zhang also served as an MC for the reality show I'm Sunny Thank You.
On May 29, 2025, Zhang was announced to make his acting debut in the MBC television series To the Moon. He appeared as Wei Lin, the Chinese boyfriend of Jo Aram's character. Zhang released an OST titled "Refresh!" for the drama on September 26, 2025. The song debuted at number 16 on Oricon's Daily Digital Singles Chart, and number 1 on the weekly Circle Download Chart in the chart issue dated September 21 to 27. The song also reached number 4 on US Billboard's World Digital Song Sales. In August, Zhang performed a cover of Trouble Maker's "Now" with I-dle member Yuqi at the 2025 KCON LA, a duet known for its bold and sultry choreography. Media coverage highlighted the performance for its high-quality execution and daring staging, as co-ed moments are relatively rare in modern K-pop. In September 2025, Zhang Hao made his Netflix debut as a recurring guest on TEO's travel reality show Getaway and Go with Jangdobari.
Zhang released an original soundtrack titled "For Whom Does Beauty Bloom" (红颜为谁开) as the ending theme of Bilibili animation series The Gate of Mystical Realm on November 26, 2025. He subsequently released "Coming for You" for the Chinese drama Shine on Me on December 25.
On January 12, 2026, YH Entertainment released a statement announcing that Zhang would depart from Zerobaseone to continue his activities under the label following the expiration of his contract with WakeOne Entertainment, alongside his labelmates and fellow Zerobaseone members, Ricky, Kim Gyu-vin, and Han Yu-jin. It was further stated that their contracts had been extended until March 15 to allow them to conclude their encore performances and final group activities. On March 15, the group held their final concert as a nine-piece ensemble, officially concluding Zhang's activities with Zerobaseone, along with Ricky, Kim Gyu-vin, and Han Yu-jin.
2026–present: Re-debut with And2ble
On May 26, 2026, Zhang re-debuted as the leader of the boy group And2ble under YH Entertainment. A five-member group, And2ble includes three of Zhang's former bandmates—Ricky, Kim Gyu-vin, and Han Yu-jin—and the former Evnne member Yoo Seung-eon.
Beyond his musical career with Zerobaseone, Zhang has expanded his influence through a range of ventures, including brand endorsements, fashion collaborations, and philanthropic initiatives.