Arno

Name: Arno
Native name: 아르노
Also Known as: Zhang Jiahao, 張家豪, 지아하오, 张家豪
Nationality: Chinese
Gender: Male
Born: July 7, 2002
Age: 24

Zhang Jia Hao, known professionally as Arno, is a Chinese singer, dancer, and member of ALPHA DRIVE ONE (알파드라이브원; also stylized as ALD1 (알디원)). He graduated from PSB Academy in Singapore with a bachelor's degree in Media and Communication Studies.

He trained at Chromosome (染色体) in China, who is in a commercial partnership with Korean company Nouer Entertainment (누아엔터테인먼트). He first appeared on TV as a contestant in the 2024 reality survival "Makemate 1" but was eliminated in the final episode and ranked 10th overall.

The following year, he entered the survival competition "Boys Planet II" where he finished in 5th place and secured a spot in the resulting project group. They released the pre-debut single, "Formula", in December 2025. He officially debuted as part of ALPHA DRIVE ONE in January 2026 with their first mini-album, "Euphoria". The group is managed by Wakeone (웨이크원) and the initial contract is for 5 years.

(Source: MyDramaList) Edit Biography

Year	Title	#	Role	Rating
2026	Sumbakkokjil Season 2 Korean TV Show, 2026, 10 eps (Ep. 2) (Guest)	10	(Ep. 2) Guest	0.0
2026	Check-in! Idol Bingo Korean TV Show, 2026, 10 eps (Ep. 8) (Guest)	10	(Ep. 8) Guest	0.0
2026	Yeonjigonji: YZKZ Korean TV Show, 2026, 10 eps [Check-in! Idol Bingo] (Ep. 8) (Guest)	10	[Check-in! Idol Bingo] (Ep. 8) Guest	0.0
2026	Produce 101 Japan: Shinsekai Japanese TV Show, 2026, 11 eps (Ep. 8) (Guest)	11	(Ep. 8) Guest	7.4
2026	Maejeomgayo Season 2 Korean TV Show, 2026, 16 eps (Ep. 1, 9) (Guest)	16	(Ep. 1, 9) Guest	0.0
2025	Alpha Drive One, Let's Go Korean TV Show, 2025, 3 eps (Regular Member)	3	Regular Member	8.6
2025	Boys II Planet C Chinese TV Show, 2025, 2 eps [Contestant] (Regular Member)	2	[Contestant] Regular Member	7.5
2025	Boys II Planet Korean TV Show, 2025, 13 eps [Contestant] (Regular Member)	13	[Contestant] Regular Member	7.5
2024	Make Mate 1 Korean TV Show, 2024, 10 eps [Contestant] (Regular Member)	10	[Contestant] Regular Member	7.4
2023	Gag Concert Season 2 Korean TV Show, 2023, 150 eps (Ep. 1156, 1188) (Guest)	150	(Ep. 1156, 1188) Guest	0.0
2022	Idol 1N2D Korean TV Show, 2022, 102 eps (Ep. 55) (Guest)	102	(Ep. 55) Guest	8.3
2020	CDTV Live! Live! Japanese TV Show, 2020, 200 eps (Guest)	200	Guest	8.0
2018	Amazing Saturday Korean TV Show, 2018, 450 eps (Ep. 401) (Guest)	450	(Ep. 401) Guest	8.2