Jacob is a solicitor of Lee Chan Cheng Solicitors. After he obtained the Bachelor of Economics and Finance from The University of Hong Kong, he had been working in the financial and banking sector and started his legal studies. Since he obtained LLB from University of London and PCLL from The University of Hong Kong, he entered the legal profession.

His practice areas include Commercial Law, Corporate Finance, Dispute Resolution, Wills and Probate, Employment, Personal Injuries, Conveyancing and Landlord and Tenants.

He is currently a member of the following committees of the Law Society of Hong Kong.

1. 7th Belt and Road Conference Organising Committee;
2. Law Week 2025 Organising Committee; and
3. Pro Bono Committee