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 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.

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.

Susan joined the firm in 2001 as an Articling Student. In 2002, she returned as an Associate and, in 2007, Susan became a Partner. Susan practices civil litigation, specializing in personal injury law, medical malpractice, and insurance law.

Lesly joined Tierney Stauffer LLP 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. Currently, Lesly practices in the areas of personal injury, medical malpractice, employment and commercial and contract litigation. Lesly has experience handling matters before the Superior Court of Justice, the Human Rights Tribunal and CPP Review Tribunal.


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.

Cale joined the firm in 2009 as an Articling Student where he gained experience in all areas of practice. Since his Call to the Bar in 2010, Cale has been an Associate in the Civil Litigation practice group, focusing on personal injury and insurance litigation. Cale exclusively represents plaintiffs and has successfully resolved many claims relating to serious personal injuries arising from motor vehicle accidents, slip/trip and falls, dog bites, medical malpractice claims, long-term disability benefit denials, and other negligence-based claims.

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.

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.