Adj A/Prof David Foo graduated with MBBS from the University of Melbourne in 1997 and obtained his Membership and Fellowship of Royal College of Physician (United Kingdom) in 2002 and 2012 respectively. He is also a Fellow of the American College of Cardiology, European Society of Cardiology and Heart Rhythm Society. He completed his Electrophysiology and Pacing fellowship at St Vincent's Hospital, Sydney, New South Wales, Australia. He is a Certified Cardiac Device Specialist (CCDS) from the International Board of Heart Rhythm Examiners in 2007 and a Certified Clinical Exercise Specialist from the American College of Sports Medicine in 2011.

He is currently the Clinical Director of the NHG Health Heart Institute. He was also the Head of Department serving his full tenure before stepping down in August 2019. He is an Adj A/Prof with the Yong Loo Lin School of Medicine, National University of Singapore and Lee Kong Chian, School of Medicine. His current interests and research include heart rhythm disorders, cardiac implantable electronic devices and preventive cardiology.

Adj A/Prof Foo has chaired and presented in numerous international and regional conferences. He has also travelled to various parts of Asia to proctor physiological cardiac pacing and resynchronisation therapies.