Ringo Lim currently serves as the Head of Hydrogen Business Development at Gentari, where responsibilities involve delivering clean hydrogen solutions since January 2023. Prior to this role, Ringo Lim held multiple positions at PETRONAS from October 2001 to December 2022, including Head of Hydrogen Project Development and Technology, Head of Hydrogen Project and Technology, and Principal Liquefaction Engineer. Ringo Lim holds a Bachelor of Engineering (B.Eng.) degree in Chemical Engineering from Universiti Teknologi Malaysia, earned between 1997 and 2001.