Gerald Koh ???, known early in his career by his stage name Boy Thunder, worked as a radio host for Singapore-based music station Hot FM 91.3 and hosted the evening show Taking You Home with Adam Piperdy and Joshua Simon from 4 - 7.30pm.
In June 2014, he joined MediaCorpRadio's 987FM channel and hosted the night show "Itchy Pyjamas" from 8pm to 12 midnight. Currently, he is hosting The Bro Code, along with Joakim Gomez.
Gerald is a master of social media and counts over 30,000 followers for his Twitter account @GeraldKoh987. He is also an accomplished emcee / host, comfortable with imtimate autograph sessions and also with mega weekend events held in some of Singapore's biggest shopping malls.