Ivan J. Derer, K.C.

Emi R. Bossio is a lawyer recognized by Best Lawyers in the practice areas of Alternative Dispute Resolution, Appellate Practice, Corporate and Commercial Litigation, Labour and Employment Law and Product Liability Law. Emi R. practices law in Calgary, Alberta Best Lawyers has recognized Emi R. Bossio since 2014. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in wh...

Lauren Barteluk is a lawyer recognized by Best Lawyers in the practice areas of Health Care Law, Labour and Employment Law, Medical Negligence and Personal Injury Litigation. Lauren practices law in Calgary, Alberta Best Lawyers has recognized Lauren Barteluk since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Lauren Barteluk is held by other lawyers.

Krysta Ostwald earned her B.A. in 1993 and her LL.B. in 1996, both from the University of Victoria. She articled with Fraser Milner and was called to the Alberta Bar in 1997. Since then she has practiced exclusively in the area of family law. Krysta worked with the firms of Laurie Allen & Associates, Turnbull Boyes and Soby Boyden Lenz, before creating Widdowson Kachur Ostwald Menzies LLP with her partners. Krysta emphasizes resolving disputes without unnecessary conflict. She utilizes ma...

Roxanne was called to the New Brunswick and Ontario Bars in 2003. She practiced in New Brunswick and then Ontario before settling in Calgary and joining Carbert Waite LLP in 2008. Roxanne became a partner in the firm in 2013. She practices litigation with a focus on employment law, including human rights, privacy, and occupational health & safety matters. Roxanne represents both employers and employees in a wide range of complex employment law matters. Roxanne’s employment practice ...

Kelly Moffet-Burima's practice focuses on three main areas: complex commercial litigation, construction litigation, and professional liability. Kelly has acted in a broad range of matters, including contractual disputes in the energy and construction sectors, fraud claims, actions involving breaches of fiduciary duty and breaches of confidence, lien claims involving both owners and contractors, and professional negligence actions where she defends architects, engineers, lawyers, and financial...

A scholar, teacher and leader in the Alberta legal community, Rhoda I. Dobler’s practice spans two and half decades, and includes mediation, arbitration, collaborative law and litigation. Her positive attitude, compassion and creativity guide her conflict resolution approach, making her a valued mediator and arbitrator. An ardent believer in the importance of identifying new talent and mentoring junior lawyers, Rhoda teaches the Bar Admission (CPLED) course annually, and speaks at semin...

Heather’s practice concentrates on all aspects of condominium and multi-family development matters, including: new developments condominium bylaws structuring corporations advising condominium boards and property managers special assessments corporate financing

David F. Younggren, KC specializes in civil litigation. He joined Dunphy Best Blocksom LLP in 1988 after articling to Chief Justice Laycraft at the Alberta Court of Appeal. David became a partner in 1993 and has an established civil litigation practice including corporate contractual litigation, shareholder disputes, wrongful dismissal, real estate litigation, builders’ liens and collection matters. He has appeared in all levels of Court, including a successful appearance on a criminal ...

Mark Rathwell is a lawyer recognized by Best Lawyers in the practice area of Corporate and Commercial Litigation. Mark practices law in Calgary, Alberta Best Lawyers has recognized Mark Rathwell since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Mark Rathwell is held by other lawyers.

Kevin has practiced almost exclusively family law for over 25 years. His more recent litigation has been at the appellate level but his practice has shifted to representing a few private clients and acting as mediator (most often with counsel present) and arbitrator (often of longer, more complicated arbitrations). His articles/papers on family law issues have been published by the Lawyer's Weekly and he is a regular contributor to the continuing legal education of Alberta's family bar throug...