Career
He once 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 rival station 987FM and hosted the night show "Itchy Pyjamas" from 8pm to 12 midnight. Currently, he is hosting "The Bro Code", along with Joakim Gomez from 4pm-8pm every weekday.
Koh attended Ngee Ann Polytechnic, where he studied Mass Communication.
In March 2013, Boy Thunder, alongside Adam Piperdy, presented the longest marathon show in Singapore radio history, which lasted for 77 hours and 11 minutes with no breaks in between.