Aziz is a Harvard Law School graduate and is a former Deputy Commissioner of Income Tax, a quasi-judicial office he held for almost 15 years. At Harvard Law School, in addition to his Master of Laws (LLM), Aziz completed a postgraduate certificate program in international taxation and also trained in developing public policy and legal frameworks on commerce and taxation.
In addition to his civil service experience, Aziz has rich exposure of working with different companies in Pakistan and abroad including Tax Analysts, a Virginia, USA based tax law publishing company; Engro Corporation (formerly Exxon); Pakistan International Airlines; Agricultural Development Bank and a stint at the World Bank in Washington, DC.
Aziz has advised numerous international and national clients on taxation, financial and corporate matters and has represented in mediation or litigation of controversies. He has advised federal and subnational governments in Pakistan of various development policy and institutional development issues in addition to working as a business and taxation lawyer representing multinational corporations and prestigious Pakistani companies.
Aziz is also a professionally trained mediator accredited internationally by the Centre for Effective Dispute Resolution, UK. He is part of an IFC-supported small core group of mediators to pilot modern commercial mediations in Pakistan. Aziz is a also regular contributor and correspondent to the weekly Tax Notes International, and Worldwide tax Daily, USA based professional publications of global acclaim.
His areas of interest in practice, writing, and teaching include public policy research and advisory, fiscal laws, international taxation, contracts, and corporate matters.