Susan Mitchell

Managing Partner

Susan joined the firm in 2001 as an Articling Student, and in 2002 she returned as an Associate. Susan has been Managing Partner since 2018. Susan practices civil litigation, specializing in personal injury law, medical malpractice, and insurance law.

Frank Tierney


Frank co-founded Tierney Stauffer LLP in the early 1980s with his brother Stephen.

Frank’s practice focuses in the areas of personal injury, medical malpractice, disability claims and historical sexual assaults. He exclusively acts for plaintiffs and has successfully negotiated and settled thousands of claims arising out of serious injury or death.

Dana Tierney


Dana has been providing litigation and advocacy services since joining the firm as a partner in 1986. He has over 25 years of mediation, arbitration, trial and appellate experience. Over the course of his career, Dana has represented individuals, partnerships, small and large businesses, private and institutional lenders, chartered banks, private and publicly traded corporations, and a variety of other professionals including Real Estate Appraisers, Engineers, Mortgage Brokers and law firms.

Ian Stauffer


For the last 30 years, Ian Stauffer has helped hundreds of clients who have had problems involving personal injury, insurance, employment, professional malpractice and defamation. He has worked for both plaintiffs and defendants in a wide range of civil litigation cases. He has extensive experience before civil juries. Additionally, Ian has mediated and arbitrated over 2,000 disputes.

Donald Simonds


Don is a Partner on our Corporate/Commercial and Real Estate Solicitor Team. Since joining the firm in June 2001, Don has built a dynamic and busy Residential and Commercial Real Estate practice.

Michael Ng


In July 2014, Michael joined the Partnership at Tierney Stauffer LLP. Michael has been a strong member of the team since July 2006, when he joined as an Associate in the Business Law practice group. Michael currently practices in the areas of Corporate and Commercial Law and Real Estate Law with an emphasis on Commercial Real Estate and Mortgages. He is also experienced in the Corporate area, helping clients with Incorporations and Reorganizations, Professional Corporations, Bankruptcy and Insolvency issues, Shareholders Agreements and Shareholder’s Rights and Remedies.

Lesly Joseph


Lesly joined the firm in 2007, as an Articling Student, where she gained experience in all areas of legal practice. Upon her Call to the Bar in June 2008, Lesly joined the firm as an Associate in the Family Law and Civil Litigation practice groups. Lesly is now a Partner at Tierney Stauffer LLP and practices in the areas of Personal Injury, Medical Malpractice, Employment, Commercial and Contract Litigation. Lesly has experience handling matters before the Superior Court of Justice, the Human Rights Tribunal and CPP Review Tribunal.


Stephen Tierney


Stephen is the co-founder of Tierney Stauffer LLP. His practice is dedicated to helping business owners and managers start their businesses with the proper structure, deal with the issues that come with growth and plan for the eventual sale of their businesses. The advice Stephen provides includes the areas of business structure, financing and succession.

Teena L. Belland


Teena joined the firm as an Associate in the Civil Litigation Practice Group in 2006. Prior to joining Tierney Stauffer LLP, Teena practiced with two other local law firms where she gained experience in family law, municipal law, personal injury, accident benefits, insurance litigation and disability claims. She practices in areas of personal injury litigation, including disability claims, commercial litigation, construction litigation, contract litigation, and insurance litigation.

Donna Robinson


Donna Robinson has over 30 years experience in the Insurance and Legal fields. She began her career as a claims examiner for The Co-operators and then worked as a litigation law clerk before entering into the independent adjusting field. As a licensed independent adjuster, she worked handling all lines of claims.

Bradley Samuel


Bradley joined Tierney Stauffer LLP as an Articling Student in 2012, where he gained considerable exposure to all areas of practice. Upon his Call to the Bar in 2013, Bradley joined the Arnprior office of Tierney Stauffer LLP. He is currently building his solicitor’s practice, and is primarily responsible for matters involving wills and estates, general corporate law, residential real estate and mortgages.

Emily Tierney


Emily joined Tierney Stauffer LLP as an Articling Student in 2013, where she gained considerable exposure to all areas of practice. Upon completion of her Call to the Ontario Bar in 2014, Emily joined the firm as an Associate in the Corporate and Commercial Practice Group.

Josephine McCready


Josephine joined Tierney Stauffer LLP in 2014 after practicing civil litigation and bankruptcy & insolvency for ten years at another local law firm. She serves her clients in various forms of commercial, contract, and real property litigation, including construction liens, employment disputes, bankruptcy & insolvency matters, and home defect claims.

John S. Grant

Senior Legal Advisor

John joined Tierney Stauffer LLP as a senior legal advisor in our Corporate and Commercial Group and works in both our Ottawa office and our Arnprior office.

Bob Bell


Bob was called to the Ontario bar in 2018 after graduating from the University of Ottawa, Faculty of English Common Law. After starting his career at the Ottawa office of a national law firm, Bob joined Tierney Stauffer as an associate in early 2019. Bob works with the Corporate and Commercial Group in the Ottawa office.

Stanford Cummings


Stan has been practicing law since 2015. He articled with Tierney Stauffer before practicing for four years at a well-respected insurance defense firm. Stan now applies his knowledge of the insurance system and insurance companies towards assisting victims. Stan works with the Civil Litigation and Personal Injury Group in the Ottawa office.

Kaitlin Brennan


Kaitlin joined Tierney Stauffer LLP as a summer student in 2017. She returned for a second summer term in 2018 and completed her articles in 2020, where she gained considerable exposure to all areas of civil litigation. After her Call to the Bar in 2020, Kaitlin rejoined the firm as an Associate in the civil litigation group.

Harold R. McNeely


Harold has a diverse legal practice including estate law and wills, civil litigation, real estate and corporate/commercial law. He received his law degree in 1969 from the University of Ottawa and was called to the Ontario Bar in 1971. Harold is a Vice Chair of the Ontario Agriculture, Food and Rural Affairs Appeals Tribunal. He is fluent in both French and English. He is also a deputy judge for the Ontario Small Claims Court in Ottawa.