Liam P. O'Brien

David is a partner in the McKercher LLP Regina office with a practice which focuses on corporate and commercial law, including small business. David has experience in almost all areas of corporate and commercial law but a significant area of his practice involves representing developers and home builders in Regina and Saskatoon. Throughout his career, David has had experience in almost all areas of the law, including civil litigation, criminal law, and estates. David was born and raised in Ka...

Jonathan B. Ross is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Financial Restructuring Law. Jonathan B., who practices law in Vancouver, British Columbia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jonathan B. is held by other top lawyers in the same geographic and legal practice area.

Ryan Newell became a lawyer in order to fight for social justice. His days are now spent living out that goal, by enforcing the rights of trade unions and workers. Ryan represents trade unions in a wide variety of industries in a broad range of disputes. He approaches his clients’ problems with a curiosity about their unique workplace reality, whether it be a hospital, a factory, a construction site, or a cubicle. He provides advice and representation to unions as they organize new work...

David Kellerman is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. David, who practices law in Montréal, Quebec, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David is held by other top lawyers in the same geographic and legal practice area.

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

Lou-Anne Farrell joined Harrison Pensa as Counsel in 2022 to help build our Estate Litigation practice. She has been practicing in the Estate Litigation field for over 35 years. Her practice includes will challenges, spousal and dependent’s claims, removal of executors and contested estate audits, as well as Power of Attorney litigation, capacity litigation, the appointment of guardians, and Breach of Trust claims. Her expertise in this field is recognized locally and throughout the pro...

Ewen is a business, real estate, and construction lawyer. He has a special interest in assisting entrepreneurs from concept to maturity. He works collaboratively to find cost effective and far sighted solutions. He understands that legal problems can seriously impact a client’s business and personal life. He is experienced at finding the right strategy and legal pathway to successfully guide clients through these obstacles. Ewen has represented a wide variety of clients with diverse bus...

Marc-André Laroche is a partner-owner in the firm. Since the beginning of his career, Mr. Laroche’s practice has focused exclusively on labour and employment law issues. As such, he counsels and represents companies of all sizes in various economic sectors, both before administrative tribunals and courts of law. He is also an author, lecturer and legal instructor on several hot topics in labour and employment law.

Jonathan Lancaster’s litigation practice is focused on corporate commercial litigation, commercial real estate litigation, lease arbitrations, banking law, product liability litigation, professional negligence and estate litigation. Jonathan has a broad commercial real estate and estate litigation practice. Acting successfully as counsel in Ontario cases, Jonathan has advised on a broad array of real estate litigation issues, including mortgagee and tenant rights/priorities, rights of f...

Nick Krnjevic is a Partner in our Insurance Law Group. His practice focuses on insurance law and private international law. His insurance practice includes advising on, and litigating, insurance and reinsurance issues pertaining to primary and excess CGL, E&O, D&O, EPLI, Cyber, Property, Business Interruption and Fidelity coverage. He also acts as monitoring coverage counsel in domestic and international litigation. He also advises insurance carriers on drafting issues and provides in...