Jeffrey is from Hong Kong and studied at Pui Ching. He spent his undergraduate years at the University of Waterloo in Canada, where he majored in pure mathematics, statistics and combinatorics & optimisation. Jeffrey also studied at the University of Warwick for a year. Before his DPhil, he obtained his master’s degree in mathematical sciences (OMMS) from Balliol College, Oxford. As a Christian, he follows Christ the Lord as his light and his salvation. In his spare time, Jeffrey enjoys reading novels and collecting small trinkets of sentimental value.

• Causal inference
• Instrumental variables estimation
• Mendelian randomisation