- Name: 제시카 정 / Jessica Jung (Jessica Jeong)
- Also known as: 제시카 / Jessica, 정수연 / Jung Soo Yeon (Jeong Su Yeon)
- Nicknames: Ice Princess / Sica / Sicachu
- Profession: Singer, model and actress
- Birthdate: 1989-Apr-18
- Birthplace: San Francisco, California
- Height: 163cm
- Weight: 45kg
- Star sign: Aries
- Blood type: B
- Family: Younger sister Krystal Jung
