Patrick Heinsen, KC

Sandy Vander Ziel joined Dunphy Best Blocksom LLP in 2013 and practices exclusively in family law. She is a registered collaborative lawyer, mediator and arbitrator, as well as a dispute resolution officer with the Court of King’s Bench. She has practiced in the area of family law at local and national law firms since 2002. Sandy has significant experience with a variety of methods of Alternate Dispute Resolution including Collaborative law, lawyer assisted mediation, arbitration and in...

Gregory F. Peterson is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Private Funds Law. Gregory F., who practices law in Calgary, Alberta, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gregory F. is held by other top lawyers in the same geographic and legal practice area.

Andrew Lamb is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Energy Law and Oil and Gas Law. Andrew, who practices law in Calgary, Alberta, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew is held by other top lawyers in the same geographic and legal practice area.

With a focus on settlement and the best interests of the family, Alex helps his clients minimize conflict and avoid costly prolonged court battles. He is known for his bright and practical approach and for helping clients reach solutions that ultimately allow them to move forward with their lives. Alex has extensive training and experience in interest-based negotiation, mediation and arbitration. He offers creative solutions for clients in a way that best fits their needs whether that be thro...

Frank Y. Sur is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Mergers and Acquisitions Law and Securities Law. Frank Y., 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 Frank Y. is held by other top lawyers in the same geographic and legal practice area.

John Jung is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. John, who practices law in Calgary, Alberta, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.

Jessica's practice focuses on commercial litigation and arbitration, with an emphasis in insolvency and restructuring. She advises clients on general commercial disputes, all aspects of insolvency and restructuring matters, including cross-border proceedings, and banking and oil and gas related litigation. Clients value Jessica’s practical and collaborative approach to complex legal disputes and restructuring proceedings. Jessica has acted for debtor companies, guiding them through the ...

Ryan Mullins is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Personal Injury Litigation. Ryan, who practices law in Calgary, Alberta, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ryan is held by other top lawyers in the same geographic and legal practice area.

Katherine Ratcliffe is a trusted advisor to high-net-worth individuals, families, and business owners on their estate, trust, and tax matters. She develops sophisticated, client-centric planning strategies that reflect legal precision, practical insight, and a deep understanding of clients’ particular objectives. Katherine’s practice focuses on complex estate planning, trust and corporate structuring, business succession, and post-mortem tax planning. She regularly prepares bespok...

Paul Pidde is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Insurance Law. Paul, who practices law in Calgary, Alberta, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paul is held by other top lawyers in the same geographic and legal practice area.