Flash Finger (real name Kim Jung Hwan) is noted not only for his DJing, but also as the founder and CEO of Discovery Music Records. He is a well-rounded performer with vocal abilities and who is proficient with numerous musical instruments.

The respected DJ has seen a growing international fan base in recent years and perviously performed at the 2011 Mnet Asian Music Awards in Singapore, in Los Angeles for KCON 2014, and has held DJ performances in venues across LA, Seattle, and Malaysia.

BeatBurger is a multifaceted electronic performance group housed under Korean music industry giant SM Entertainment. BeatBurger consists of seven members including DJ and vocalist Shim Jae Won, performance director Hwang Sang Hoon, rapper MQ, guitarist Stephen Ju, sound director Gu Jong Pil, VJ Park Kyu Yong, as well as DJ Flash Finger himself.

In September 2014, BeatBurger released their first EP Electric Dreamfeaturing multiple renditions for their title track She So High. BeatBurger has also taken part in developing choreography for many releases under SM Entertainment including Taemins Ace and EXOs Dubstep Intro. Occasionally BeatBurger will surprise fans with remixes of chart-topping hits such as Super Juniors Sexy, Free and Single, f(x)s Electric Shock, and SHINees Lucifer.