| Full Name | Stephanie Young Hwang |
| Stage Name | Tiffany Young |
| Native Name | 스테파니 황 |
| Birthday | August 1, 1989 |
| Age | 35 years and 9 months old |
| Zodiac Sign | Leo |
| Birthplace | San Francisco, California, United States |
| Height | 5’4″ (163 cm) |
| Weight | 112.4 lbs (51 kg) |
| Blood Type | 0 |
| MBTI | INFJ |
| Education | Korea Kent Foreign School |
| Languages | Korean, English, Chinese, Japanese |
| Group | Girls’ Generation (SNSD) Unnies (2016-2017) |
| Social Media | Instagram: [@tiffanyyoungofficial] Twitter (X): [@tiffanyyoung] YouTube: [@TiffanyYoungOfficial] |