John is a runner, initially a roadie, but gradually migrating more and more to trail running. An active racer in the Singapore running scene, John writes articles, equipment reviews and race reports for online and print media.

By day, John leads a team of consultants who help businesses get to grips with digital transformation.

John is a brand ambassador for Salomon Running. He is President and founder of Mount Sinai Striders, which is not a real running club.