David Kolesar

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.

E. Jane Butcher is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. E. Jane, 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 E. Jane is held by other top lawyers in the same geographic and legal practice area.

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...

Katherine Prusinkiewicz is the knowledge lawyer for the Calgary office, working to leverage the practice's collective wisdom to ensure efficiency and uniform quality. She supports lawyers in our business law group with model documents and precedents, legal updates, training and other information needs and assists in our client communication program. As a result of our knowledge management initiatives and the practice’s culture of contributing and sharing knowledge, our clients can expec...

Kamil Umar is a commercial real estate lawyer based in Calgary. He takes a business-minded and market-driven approach to his practice, ensuring clients receive practical and thoughtful advice on matters including property purchase and sale, land development and land use planning, condominium and strata development, leasing of all asset classes, and financing and public infrastructure work. Kamil acts for diverse clients, including residential, commercial and industrial developers, privately a...

Katharine Zhang is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Katharine, 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 Katharine is held by other top lawyers in the same geographic and legal practice area.

Craig’s practice covers a wide spectrum of indirect tax, income tax, resource tax, personal tax planning, and dispute resolution. In 2010, Craig was appointed King’s Counsel. With a Bachelor of Commerce and Bachelor of Laws, he has now practiced with Felesky Flynn for more than 25 years. Craig skillfully guides clients toward practical and impactful solutions. He brings a strong grasp of law, economics and relationships, allowing him to identify the best and most practical tax out...

Ben Hudson is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law and Trusts and Estates. Ben, 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 Ben is held by other top lawyers in the same geographic and legal practice area.

Caroline Lee, KC is a senior family law practitioner specializing in family law and alternative dispute resolution including collaborative family law, mediation and arbitration. She joined Dunphy Best Blocksom LLP 1989 with an established background in all aspects of family law. Caroline became a partner in 1994 and was managing partner of the firm for six years. She was appointed King’s Counsel in 2004. Caroline has been involved as a family law teacher and lecturer with the Legal Educ...

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.