| idol_id | 957 |
| Selca owner | |
| Pop type | K-pop |
| Stage name (romanized) | Siyeon |
| Stage name (original) | 시연 |
| Real name (romanized) | Lee Siyeon |
| Real name (original) | 이시연 (李始娟) |
| Birth date | 1995-10-01 (age 29) ▲ ▼ |
| Chinese zodiac sign | 🐖 Pig |
| Western zodiac sign | ♎ Libra |
| Hometown | Daegu |
| Height | 166.0cm (5'5") ▲ ▼ |
| Weight | |
| Blood type | A |
| Debut date | 2014-09-18 (10 years and 3 months ago) ▲ ▼ |
| Country of origin | 
Korea, Republic of |
| Name | Company | Debut date | Disbandment date | Current member | Roles | |
|---|---|---|---|---|---|---|
|
(드림캐쳐)
|
Happy Face Entertainment | 2017-01-13 | Yes | Main vocal | |
|
(밍스)
|
Happy Face Entertainment | 2014-09-18 | 2016-11-30 | Group disbanded |