W. David Petras Partner

Speaks:  English

Year of Call: 1983 - Ontario

Primary phone: +1 519-575-7506

Fax: +1 519-576-6030

Email: david.petras@gowlingwlg.com

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Primary office:  Waterloo Region

W. David Petras

David Petras is a partner in Gowling WLG's Waterloo Region office. His practice focuses on domestic and cross-border mergers and acquisitions, debt and equity financings, technology matters and corporate governance.

David’s clients include advanced manufacturers, computer products distributors, software developers, Internet businesses, agri/food companies, auto parts manufacturers, medical products companies and alternative energy companies.

David’s mergers and acquisitions work includes domestic and cross-border transactions involving public and private companies. Financings include venture capital financings and IPOs and various types of credit facilities. Technology transactions include system development, research, distribution, strategic alliance and technology transfer agreements. Corporate governance work includes structuring boards, board committees and policies and advising boards and senior management on challenging issues.

David is a former leader of the firm’s U.S. Initiative, which is responsible for enhancing the firm’s relationships with U.S. clients, organizations and law firms. He has also held various other positions within the firm including head of the Waterloo Region Technology Law Group, member of the Board of Trustees and chair of the CEO Nominating Committee.

David is a present and former director of various corporations and community organizations, including Waterloo Accelerator Centre, Communitech Corporation, and Waterloo North Hydro Holding Corporation. He is also a partner in the Waterloo Region Chapter of Social Venture Partners.

David has completed the Directors Education Program offered by the Institute of Corporate Directors.

He was also a research assistant for a Member of Parliament.

Career & Recognition

Filter timeline:


  • American Bar Association, Mergers & Acquisitions Committee of the Business Law Section
  • Canadian Information Technology Law Association
  • Institute of Corporate Directors
  • International Technology Law Association

Representative Work

  • eSentire (managed network security) recapitalization with Warburg Pincus
  • Desire2Learn (cloud-based learning solutions) raises US$80 million in financing round from NEA and OMERS Ventures (largest venture financing of a Canadian software company)
  • Geosign raises US$160 million in financing round from American Capital (largest venture financing of a Canadian technology company)
  • Waterloo Maple (mathematical software) sold to Cybernet Systems (Tokyo Stock Exchange)
  • PrinterOn (mobile printing) sells Spicer Division to Open Text for $11.5 million
  • Dspfactory (semiconductor design) sold to AMI Semiconductor for $61 million
  • EMJ Data Systems Ltd. (IT distribution) sold to SYNNEX Corporation for $75 million
  • Mitra Imaging Inc. (healthcare imaging management) sold to Agfa-Gevaert N.V. of Belgium
  • Unitron (hearing aid manufacturer) sold to Phonak (now Sonova Holding AG – SIX Swiss Exchange) for $140 million cash and stock
  • Vetech Laboratories Inc. (poultry vaccine manufacturer) sold to Ceva Sante Animale S.A.
  • SYNNEX Corporation (business process services) (NYSE: SNX) purchase of VisionMAX™ Solutions Inc. (cloud-based software and services)
  • Centra Industries (advanced aerostructure manufacturing) sold to Precision Castparts (NYSE: PCP)
  • Roadtrek Motorhomes Inc. (motorhome manufacturer) recapitalization with Illinois-based private equity firm, Industrial Opportunity Partners, and two related credit facilities
  • Tempur Canada (Canadian distributor of Tempur-Pedic mattresses) sold to Tempur Pedic International ($25 million)
  • Naylor Engineering Associates (geotechnical and environmental engineering) sold to Dessau Inc.
  • Clean Harbors Inc. (North America’s leading provider of environmental and hazardous waste management services)  (NYSE: CLH) purchases Eveready Inc. (industrial and oilfield services) for $176 million
  • ACI Adjusters Canada Inc. (insurance adjusters) sold to Crawford & Company (risk management) (NYSE: CRDB)