George A. Antonopoulos
About George A. Antonopoulos
George A. Antonopoulos is a lawyer based in Calgary, AB and has been recognized in The Best Lawyers in Canada™ since 2017. George A. Antonopoulos is recognized in the following practice areas:
- Calgary, Alberta
- Energy Law
- Natural Resources Law
- Oil and Gas Law
Current Firm: Osler, Hoskin & Harcourt LLP
Location: Calgary, AB
Nearby Lawyers
Blair began his legal career with MacKimmie Matthews in 1986 and was a founding partner of Carbert Waite LLP in 1999. Blair’s diverse practice of law has taken him to Canada’s three coasts, advising and acting for individuals, corporations, estates, public institutions and governments. As a senior partner with Carbert Waite LLP, Blair engages on a wide range of difficult cases that demand an advanced understanding of the law, relentless inquiry into the facts, appropriate strategi...
Jennifer Kennedy's practice focuses on corporate and securities law matters, with a focus on public and private financings, including cross-border financings, mergers & acquisitions, corporate restructurings and related-party transactions. Ms. Kennedy has acted for issuers, selling shareholders, independent committees of boards of directors, investment dealers and private equity investors in a variety of debt and equity capital market transactions, including project financings. Ms. Kenned...
Megan L. McMahon is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Insurance Law and Medical Negligence. Megan L., who practices law in Calgary, Alberta, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Megan L. is held by other top lawyers in the same geographic and legal practice area.
Allyson Marta practises exclusively in the area of Pensions and Benefits law. Her practice focuses on pensions and benefits in corporate transactions, creditor/debtor agreements, and restructurings and insolvencies. She advises clients in both the public and private sectors with respect to pension plan compliance, governance, investments, and administration. Allyson also assists clients with navigating legal and regulatory matters related to retirement and benefit plans more broadly.
Michael Dyck is head of the Real Estate and Banking & Finance Groups in Calgary. As part of his commercial real estate practice, Michael provides advice in connection with a broad range of real estate, development and construction transactions. He acts for purchasers and vendors with respect to acquisitions and dispositions of multi-tenant office complexes, industrial properties and development sites, as well as acting for lenders and borrowers in connection with various types of commerci...
Randy has been practicing law with Parlee McLaws since 1998 and currently practices in the areas of real estate and financing. In real estate, Randy has experience in a variety of leasing matters, from shopping center and office leases to telecommunication site agreements. Randy has also routinely been involved in residential and commercial real estate transactions, and has assisted clients through the legal labyrinth of condominium property law. In the financing area, Randy has been involved...
Lucy L'Hirondelle is a litigator whose practice encompasses a broad range of commercial litigation matters and international arbitration with an emphasis on oil and gas litigation/arbitration, contractual disputes, management-side employment litigation. She also has experience conducting third-party investigations. Lucy has worked in the Calgary litigation group since 2012 and has appeared before all levels of court in Alberta, the Nova Scotia Supreme Court, and is familiar with Federal Court...
Marco is a skilled litigator who represents clients in a wide range of disputes. He applies his considerable experience before courts and administrative tribunals to successfully defend his clients’ best interests. Marco’s diverse practice includes commercial litigation, insurance and risk management, professional discipline, and municipal matters. He has significant experience litigating contractual disputes and negligence claims, routinely representing energy companies, engineer...
Wendy E. Best has a well-established family law practice and has earned ongoing recognition as a leading family law practitioner since being called to the bar in 1980. She joined Dunphy Best Blocksom LLP in 1982 and became partner in 1986. Wendy was appointed King's Counsel in 1994. She acts primarily for high net worth individuals and families. While she settles most matters, Wendy’s practice includes litigation. She was inducted as a fellow of the International Academy of Family Lawye...
Craig Gillespie is a founding partner of Cuming & Gillespie LLP . He is a leading personal injury, class action, and medical malpractice lawyer with a proven track record of success. With decades of experience representing clients throughout Western Canada, he has secured multi-million dollar settlements and verdicts in complex cases. Craig has been consistently recognized for his exceptional work, including being named medical malpractice lawyer of the year. Beyond his legal practice, Cr...
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
Build Your Legal Practice with Effective Online Networking
by Jamilla Tabbara
How thoughtful online networking supports sustained legal practice growth.
Blogging for Law Firms: Turning Content into Client Connections
by Jamilla Tabbara
How law firms use blogs to earn trust and win clients.
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer