Lionel has particular expertise in matters concerning the taxation and administration of estates, cross border taxation including transfer pricing and litigation support including the preparation of valuation reports. He is a past chairman of INAA, (International Association of Independant Accounting Firms). He has appeared before the House of Commons Standing Committee on Finance to make proposals with respect to Canada's national sales tax. Lionel co-authors and presents professional development courses for the Institute of Chartered Accountants of Ontario dealing with the responsibilities of an executor and income taxes arising on death.