| Real Name | Katerena Anna Vinitska |
| Nickname | Kat |
| Gender | Female |
| Profession | Actress, Director, Martial Artist |
| Height | 5 ft 6 in (1.68 m) |
| Weight | ~55 kg (121 lbs) |
| Eye Colour | Blue |
| Hair Colour | Blonde |
| Date of Birth | 17 December 1977 |
| Age | 48 Years |
| Birth Place | Etobicoke, Ontario, Canada |
| Hometown | Toronto, Ontario, Canada |
| Nationality | Canadian |
| Zodiac Sign | Sagittarius |
| Education | Degree in Kinesiology; Acting training |
| School / College | York University; William Esper Studio |
| Parents | Parents: Roman Winnicki, Lesia Winnicki; Siblings: Adam, Markjan, Daria |
| Spouse | None |
| Marital Status | Unmarried |
| Hobbies | Martial Arts, Traveling, Directing |
| Net Worth | Approx. $1–2 million |
Katheryn Winnick grew up in Toronto, Canada, in a Ukrainian family. She began training in martial arts at the age of seven and earned her first black belt by thirteen. By twenty-one, she had...
She is a licensed bodyguard.
She speaks Ukrainian fluently.
She opened three martial arts schools by age 21.