David is one of Canada’s leading tax litigators and indirect tax/transaction tax specialists. Formerly counsel with the Canadian Department of Justice Tax Law Services, David’s experience includes resolving all forms of tax disputes – through rulings, objections, appeals, or settlement. He is a past chair of the Canadian Bar Association’s/Tax Court of Canada’s Bench and Bar Committee and was a contributing editor to GAAR Interpreted: The General Anti-Avoidance Rule.

David is also one of Canada’s leading sales and indirect tax specialists, with expertise including GST/HST, provincial sales taxes, insurance premium taxes, carbon taxes and pricing, fuel and tobacco taxes, excise taxes, Indigenous and First Nations taxes, and other transaction-based taxes. He is a member of Canada’s 25-member GST/HST Leaders’ forum and is a co-instructor of CPA Canada’s National GST/HST Tax Course and Cross-Border GST/HST Course. He writes and speaks regularly on Canadian indirect and transaction tax matters.