William Pellerin

Susan D. Mitchell proudly hails from North Bay, Ontario and continues to provide legal services in Northern Ontario as well as Eastern Ontario. Susan works primarily in our Ottawa office, but also travels to our locations in Cornwall, North Bay, and Kingston as needed to meet with clients on personal injury matters. Susan began practicing in 2002 and has been a Partner at Tierney Stauffer LLP since 2007. She became Managing Partner in 2018. Susan practices civil litigation, focusing on person...

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

A member of the Ontario and Quebec bars, Sébastien Lorquet is a lawyer, strategist and negotiator with more than 20 years experience assisting employers with their most challenging human resources issues. He assists the firm's clients with a wide range of issues relating to labour relations, grievance arbitration, union certification, strikes, dismissals, corporate policies, personnel management, restructuring, human rights and labour standards. Sébastien has extensive experienc...

Andre is a partner in Ottawa and practices in both official languages. Andre’s practice primarily encompasses banking, insolvency and restructuring litigation, representing major financial institutions, including chartered banks, credit unions and trust companies, as well as licensed insolvency trustee firms. Andre has extensive experience in complex insolvencies, receiverships and restructurings, and has appeared at all levels of Court in Ontario in such matters, including Commercial L...

Adriana I. Cargnello is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Professional Malpractice Law. Adriana I., who practices law in Ottawa, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Adriana I. is held by other top lawyers in the same geographic and legal practice area.

Karen E. Hennessey is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Karen E., who practices law in Ottawa, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Karen E. is held by other top lawyers in the same geographic and legal practice area.

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

Geoffrey first joined Brazeau Seller Law as an Associate in 2017. During Geoffrey’s tenure as a lawyer with Brazeau Seller Law, he has become an important member of our firm and an integral part of our litigation department, developing a broad civil litigation practice that includes construction, corporate, commercial, real estate, bankruptcy and insolvency, sports and insurance litigation. Geoffrey attended Queen’s University, where he received a Bachelor of Arts in Economics and...

David is currently focusing his practice on mediating and investigating employment, workplace and sports disputes, areas of law in which he has significant experience. In the past, David has provided advice and representation to both employers and employees with respect to workplace issues of all kinds, including employment litigation, employment standards complaints, human rights proceedings, and occupational health and safety matters. He has also assisted employers in developing and impleme...

Lynn practises in all aspects of labour and employment and human rights law, on behalf of management. After graduating from the University of Toronto Law School (JD, 1975), he practised for 11 years with a national law firm, before co-founding Emond Harnden in 1987. His practice encompasses the representation of both public and private sector clients with a focus on education, healthcare and technology. Lynn has managed a number of landmark cases in the areas of employee absenteeism, employee...