CopperKnob Stepsheets

* Teaching line dance from 2015 in Goyang city, Republic of Korea
- Nonghyup Hanaro Club Culture Center
- Ilsan Newcore Outlet Culture Center
- Hyundai I-park Deogi-jigu 1-danji Culture Center
- Ilsan Grand Department Store Culture Center

(NPO) Korea Sports Culture Art Association
KoSCAA Goyang/Ilsan/Paju Branch President
Sunny Jung KN Line Dance Studio
Leader Course & North Gyeonggi Province Branch

* Branch manager & leader education committee in Linedance Branch, Goyang Dancesport Federation, korea council of sport for all

Sunny Jeong has choreographed 182 dances, of which 90 have been co-choreographed. Their first published stepsheet on CopperKnob is The Basic Step from April 2016, with their most recent stepsheet of Havana Cha 2025 in March 2025.