Concept photo for "
Park Ji-hyo (박지효)
Park Ji-soo (박지수)
February 1, 1997
Guri, South Korea
October 20, 2015
Jihyo (지효) is a South Korean singer under JYP Entertainment. She is the main vocalist and leader of the girl group TWICE.
She is best known for finishing in 1st place in
, hence becoming a member of the girl group. SIXTEEN
On August 5, 2019, local news source
Dispatch reported that she and Kang Daniel (former Wanna One member) were dating and it was confirmed by both agencies later. It was also revealed that 2AM member Seulong was who introduced her and Daniel to each other. 
Music video appearances
J.Y. Park - " Fire" (feat. Conan O'Brien, Steven Yeun, & Jimin Park) (2016)
Producing and writing credits
Signal "Eye Eye Eyes"
What is Love? "Ho!"
Yes or Yes "Sunset"
Fancy You "Girls Like Us"
She became a JYP trainee when she was in third grade after she won 2nd place in a contest on Junior Naver for a child role.
She trained the longest out of the Twice members. She trained for 10 years.
 She was voted leader by the members by anonymous voting and not JYP himself.
Although Jihyo is left-handed, she writes and draws with her right hand. She is ambidextrous.
Jihyo has been a trainee under JYP for over 10 years, but she was initially trained as an actress, just like Dahyun.
Jihyo was originally set to debut in the girl group 6mix.
She legally changed her name from "Jisoo" to "Jihyo" before competing on .
SIXTEEN Jihyo likes taking public transport because her home is close to Nayeon's and they often took the bus to work when they were trainees.
She is close to Miss A's Suzy, Wonder Girls' Sunmi, 2AM's Jokwon and most artists in JYPE.
She's been friends with Nayeon and Jeongyeon for 6 years.
Jihyo and Tzuyu are really close, so close even that they would shower together when Tzuyu came over.
Jihyo has a pineapple allergy. Her throat gets itchy if she eats it.