Jia Hao (지아하오) is a Chinese singer, dancer, and trainee-turned-idol under Chromosome Entertainment. His birth name is Zhang Jia Hao (张家豪), and his English name is Arno. He was born on July 7, 2002, in Shenzhen, Guangdong, China. Jia Hao first gained international recognition through the survival show MAKEMATE1 (MA1), where he became one of the most popular contestants. He later competed on BOYS II PLANET, finishing in 5th place and earning a spot in the project boy group ALPHA DRIVE ONE (ALD1) under WAKEONE Entertainment. Fans admire him for his strong stage presence, leadership abilities, athleticism, and disciplined personality.
Jia Hao Profile
| Full Name: | Zhang Jia Hao |
| Birthday: | July 7, 2002 |
| Birthplace: | Beijing, China |
| Age: | 24 years old |
| Height: | 5 ft 10 in (178 cm) |
| Weight: | 119 lbs (54 kg) |
| Zodiac Sign: | Cancer |
| Blood Type: | O |
| Nationality: | Chinese |
| Education: | N/A |
| Position | N/A |
Jia Hao Facts
- Jia Hao’s full name is Zhang Jia Hao.
- His English name is Arno.
- He was born on July 7, 2002.
- He was born in Shenzhen, Guangdong Province, China.
- He currently lives in Beijing, China.
- He is Chinese.
- His blood type is O.
- His MBTI personality type is INTJ.
- He studied in Australia for about six years.
- His English name “Arno” comes from his time studying abroad.
- He has a younger brother.
- Jia Hao trained for approximately five and a half years before joining BOYS II PLANET.
- He is signed under Chromosome Entertainment and was part of the trainee team Chromosome Seeds.
- He was also managed by Nouer Entertainment for his activities in Korea.
- Jia Hao competed on the survival show MAKEMATE1 in 2024.
- He served as the center for the show’s theme song performance.
- He ranked 10th in the final episode of MAKEMATE1 and narrowly missed debuting.
- In 2025, he participated in BOYS II PLANET.
- He ranked 5th in the final and debuted in ALPHA DRIVE ONE (ALD1).
- In October 2025, his stage name was officially changed to Arno for ALD1 activities.
- ALD1 debuted in January 2026 with the mini album Euphoria.
- Jia Hao made his acting debut in the Chinese short drama Substitute in 2024.
- He entered Bei Lian Academy as a trainee in 2017.
- In 2019, he performed at a Beijing Winter Olympics mascot launch event.
- His hobbies include shopping, basketball, and fashion styling.
- One of his special talents is being extremely flexible.
- He can continuously spin a basketball on his finger.
- He is known for his outstanding endurance and physical stamina.
- His secret weapon is his physical strength.
- He describes himself as a healthy and disciplined person.
- His personality is thoughtful and prudent.
- His role models are Ten (NCT/WayV), Taemin, Lay Zhang, and Kim Jaejoong.
- His favorite color is purple.
- His representative emoji is 🌹 (rose).
- He chose the rose because he finds roses beautiful and graceful.
- He has a small birthmark on his stomach.
- His charming point is the mole under his eye.
- He wears a necklace given to him by his mother on important occasions.
- His favorite motivational song is “Guilty” by Taemin.
- He would like to cover “TAP” by Taeyong in the future.
- He recommends vitamin C and water as a healthy food combination.
- He hopes to become an artist who spreads positive influence and meaningful music around the world.
- During MAKEMATE1, he often mentioned the importance of staying healthy and happy.
Read: Sanghyeon (ALD1) Profile.
Fans love Jia Hao because of his exceptional work ethic, strong leadership, and impressive performance skills. His journey from trainee to survival show contestant and eventually an ALD1 member demonstrates his perseverance and determination. Many fans also admire his humble personality, athletic abilities, and dedication to becoming a positive influence through music.