Expert Report submitted to Legislative Review Panel “Report on Canadian Broadcaster Market Power”   (June 2018).  Commissioned by CMPA.
     Advisor to Shared Services Canada re: Mobile Telecom Services (January 2017).
     Expert Report of Dr. Gerry Wall: The Economic Valuation of the Tariff Rate for the Retransmission of Distant Television Signals for 2014 - 2018  (evidence and reply evidence filed with the Copyright Board of Canada, May and November 2015) and related testimony before the Copyright Board (November 2015).  On behalf of the Canadian Copyright Collective.
 Expert Reports and Testimony in preparation for legal proceedings in Louisiana, Arizona and Oklahoma related to cable television pricing matters (cross-examined at trial in October 2015).  On behalf of Cox Communications Inc.
 Expert Report and Testimony (Written Evidence filed November 2014, deposition taken, oral testimony pending) for legal counsel representing Cablevision (United States District Court, New Jersey, USA).
 Before the CRTC's Let's Talk TV Policy Proceeding, on behalf of the Independent Broadcasting Group (September 2014).
 Presentation of a Workshop on Price Cap Regulation for the Eastern Caribbean Telecommunications Authority (ECTEL) and the five ECTEL-Member State National Telecommunications Regulatory Authorities (in St. Lucia, August 2014).
 Expert Report on A la Carte Video Delivery and Impact on Canadian Independent Producers, for the Canadian Media Production Association (April 2014).  Submitted in the CRTC's Let's Talk TV Policy Proceeding.
 Expert Report in Arbitration proceedings related to wireless service pricing matters (March 2014).
 Oral testimony Before the United States District Court (Oklahoma) re: Cox Enterprises Antitrust Litigation, Class Certification hearing (October 2013).
 Preparation of expert report for legal proceeding regarding various telecommunications matters before the Ontario Superior Court (2012 - 2013).
 Economic advisor to Gowlings on copyright matters (2012).
 As part of an Arbitration Proceeding dealing with terms for wireless roaming on behalf of Rogers Communications Inc. (2012).
   Before the CRTC Interconnection Proceeding on behalf of PIAC, October/November 2011.
     Presentation at the Workshop on Auction Design and Competition in Canadian Wireless Markets  organized by the Haskayne School of Business University of Calgary, September 2011.
  Panelist on International Benchmarking at International Institute of  Communications symposium on towards a national digital Strategy for Canada (November 2010).
      Before the Copyright Board SODRAC Video-copy Tariff Proceeding, on behalf of Astral and CBC.  June 2010.
              Before the Copyright Board Commercial Radio    Tariff Proceeding, on behalf of CAB, December, 2008.
               Before the CRTC Review of the regulatory frameworks for broadcasting distribution    undertakings and discretionary programming services on behalf of Stornoway Communications Inc., April, 2008. 
       Advisor to Industry Canada re: AWS Auction, 2008.          
                 Before the Federal Court, written evidence and oral testimony and cross-examination 	  on matters related to Canadian broadcasting regulation and policy and CRTC Part II License fees. November, 2006.         
          Advisor to the Competition Bureau re: various telecom market matters, 2005-06.         
             Advisor in respect of legal proceedings involving the CanWest Global sale of certain broadcasting assets, 2004-06.         
         Advisor for Rogers Wireless in matters before the Competition Bureau, 2004-05.Team member on Regulatory project for Eastern Caribbean Telecommunications Authority on subcontract with McCarthy Tetrault.  2003-04. 	 	 
	 	 	    Before the Quebec Court, written evidence on Sections 9 and 10 of the Radiocommunication Act (on behalf of the Government of Canada).  June 19, 2003.
	   	   	       Oral Cross-examination re: A.G. of Canada vs. Incredible Electronics, Ontario Superior Court of Justice, as 		 expert witness for the Crown (on behalf of the Government of Canada).  March 31 - April 1, 2003. Topic: Canadian Broadcasting Policy. 
		 		 		 		    Before the Ontario Superior Court of Justice re: written evidence on sections 9 and 10 of the Radiocommunication Act (on behalf of the Government of Canada).  September 13, 2002.  
		   		   		    Member of Barriers and Models Working Group, National Broadband Task Force, February, 2001 to August, 2001.		   		   
		   	     Before the CRTC regarding Public Notice CRTC 2001-37, Price cap    review and related issues, assisted AT&T Canada's witness panel, October    2001.  Topic:     Price Cap Regulation.
    Before the CRTC regarding Public Notice CRTC 99-6, Review of the    contribution collection mechanism and related issues, assisted Microcell    Telecommunications' witness panel, July 2000.  Topic:  Industry Contribution/Subsidy    Regime.
    Before the Provincial Court of Manitoba regarding Canadian laws   governing DTH, March 2000 (on behalf of the Government of Canada). Topic: Canadian   Broadcasting Policy.
    Before the CRTC regarding Public Notice CRTC 97-42, Telephone    service to high-cost serving areas, assisted Microcell Telecommunications'    witness panel, January 1999.  Topic:  Subsidization of Telephone    Service in Rural and    Remote Areas of Canada.
    As advisors to the Copyright Board of Canada with respect to private    copying of sound recordings, royalties to be paid by digital audio service    providers, educational rights and other copyright-related tariffs and issues,    July 1999 to present.
    Before the CRTC regarding Canadian Television Policy Review, September 1998 (on   behalf of Global Television). Topic: The Future of Canadian Television.
    Before the CRTC regarding Policy Hearing on New National Conventional   Broadcasters November 1997 (on behalf of Global Television). Topic: Programming   Contributions.
    Before the Competition Bureau, Written Evidence on various matters including   mergers in telecommunications, the Stentor alliance, and pricing of telecom services.
    In litigation, Written Evidence prepared for Coopers and Lybrand in support of KPMG,   March 1997.
    Before the CRTC regarding Global Television License Application for Conventional   Television Station in Quebec City (and Montreal), December 3, 1996. Topic: Economic Impact   of New Entry.
    Before the CRTC regarding Global Television License Application of Conventional   Television Station in Victoria (and Vancouver), Sept. 26, 1996. Topic: Economic Impact of   New Entry.
    Before the CRTC regarding Microcell Telecommunications Appearance in Local   Networks Interconnection Proceeding, August 29, 1996. Topic: Pre-conditions for   Sustainable Local Competition, Bill and Keep.
    Before the CRTC regarding Global Television License Application for Conventional   Television Stations in Calgary and Edmonton, July 17, 1996. Topic: Economic Impact of New   Entry.
    Before the Nova Scotia Utilities Review Board regarding Access Cable Appearance   in Nova Scotia Power Rate Proceeding. Topics: CRTC Costing, Rates for Pole Attachments.
    Before the CRTC regarding ICG Telecom Appearance in the Information Highway   Policy Proceeding, March 24, 1995. Topic: Canadian Telecommunications Environment;   Competitive Safeguards.
    Before the Nova Scotia Supreme Court regarding Access Cable vs. MT&T,   Application for Interlocutory Injunction, Written Evidence, March, 1995.