Lock is the Managing Partner in audit & assurance at Baker Tilly Malaysia.

Since first joining ACCA in 2000, Lock has served on ACCA’s Public Practice Committee (including as chairman), Malaysia Advisory Committee (as Deputy President), International Assembly, and as the chairman of ACCA’s Global Forum for Audit and Assurance.

Lock is a member of the Audit and Assurance Standards Board (AASB), and member of the Malaysian Institute of Accountants, where he sits on the Capital Market Advisory Committee. Lock is also a member of the Industry Advisory Board of two colleges and Professional Standards Committee of Baker Tilly International.