Mark Mielke

Brad Hayden is a senior business lawyer. He has an extensive background in leadership, management, strategic and operational planning, organizational transformation and change management, client relationship management, business operations, governance and communication. Brad practises business law, with a focus on the energy and transportation industries. He works with businesses involved in mergers, acquisitions, divestitures and financings, domestic and cross-border reorganizations, corpora...

Jim is both a lawyer and a Chartered Professional Accountant, CA. Prior to attending law school, Jim qualified as a Chartered Accountant with Touche Ross (now, Deloitte), an international firm of Chartered Accountants in Montréal, Quebec. He began his legal career in Calgary in 1981 with Ballem McDill & MacInnes (now, Gowling WLG). Prior to joining Carbert Waite LLP in 2007 as Associated Counsel, Jim practiced tax and corporate law with the Calgary office of the national law firm, ...

David Bishop is a partner at Gowlings and head of Calgary's Advocacy Group. David’s practice involves all aspects of corporate/commercial litigation with an emphasis on directors' and officers' defence, product liability, professional liability disputes, shareholder disputes, class actions, large property and industrial claims, and environmental litigation. He is familiar with all aspects of dispute resolution, including private mediations, judicial dispute resolution conferences and ar...

Jack maintains a broad commercial litigation practice with a focus on insolvency and restructuring, debtor-creditor remedies, real estate, banking, fraud, and energy-related matters. He advises companies, directors, shareholders, lenders, and accounting professionals on all aspects of insolvency and restructuring proceedings under the Companies’ Creditors Arrangement Act and the Bankruptcy and Insolvency Act , both in Canada and in cross-border contexts. Jack also has significant experi...

Steve Leitl's practice covers a broad range of commercial litigation matters, with an emphasis on securities, M&A, directors'/officers' liability, class actions and internal investigations. Mr. Leitl has conducted proceedings in the courts of Alberta, Ontario, Manitoba and Canada (Federal Court) and appeals in the Ontario Court of Appeal and Alberta Court of Appeal. He has conducted various regulatory proceedings before the Ontario, Alberta and Manitoba securities commissions and the Albe...

John is a partner at Felesky Flynn in Calgary, Alberta. He focuses on corporate and international tax planning and frequently assists clients in dispute matters. John holds dual qualifications as a lawyer and CPA in Alberta and previously served as a tax practitioner in Australia for many years. He graduated with honours from the University of Melbourne with a double degree in Law and Commerce and currently teaches tax law at the University of Calgary. Before joining Felesky Flynn, John pract...

Mylène D. Tiessen is a top attorney recognized by Best Lawyers in the practice area(s) of Class Action Litigation, Insurance Law and Medical Negligence. Mylène D., who practices law in Calgary, Alberta, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mylène D. is held by other top lawyers in the same geographic and legal practice area.

Paul is an oil and gas lawyer transaction and land lawyer with over 30 years of experience advising clients on on the drafting and negotiating of agreements for the acquisition and divestiture (A&D) of oil and gas assets and the drafting and negotiating of joint venture, partnership and joint operating agreements pertaining to the energy industry. Paul also assists clients in due diligence and title opinion preparation in A&D transactions; custom and complex freehold land and leasing ...

Lara Mason’s practice encompasses a wide range of commercial litigation matters, including commercial disputes, transnational and cross-border disputes, professional liability matters, insurance coverage disputes and class actions. Ms. Mason has appeared at all levels of court in Alberta, before the Supreme Court of Canada, and before the Alberta Utilities Commission. She has also participated in a variety of alternative dispute resolution processes.Ms. Mason joined our Calgary office a...

Clint Suntjens is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Personal Injury Litigation. Clint, who practices law in Calgary, Alberta, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Clint is held by other top lawyers in the same geographic and legal practice area.