David is a lawyer with Couzin Taylor LLP (the affiliated law firm of EY), in Calgary, and practices taxation law and tax litigation with a focus on Canadian Indirect Taxes including GST/HST, provincial taxes including PST, transfer pricing, Canadian Customs compliance and import/export laws. David has advised clients in a range of tax planning matters in connection with cross-border sales and transactions, outsourcing, e-commerce and internet-based enterprises, carrying on business in Canada, business acquisitions, corporate transactions and reorganizations, and general tax compliance and recovery matters. He has extensive experience dealing with the Canada Revenue Agency and provincial tax authorities in connection with tax audits and appeals. He routinely represents clients in respect of tax matters before the Tax Court of Canada, Federal Court of Canada and provincial superior courts. David is also the 2011 Normand Guérin award winner, which recognizes his outstanding contribution to the advancement of commodity tax studies.