Meet the CGSJ Team

Roberta L. Campbell

KC, B.A., LL.B.

Roberta L. Campbell

KC, B.A., LL.B.

Roberta L. Campbell, founding partner at Campbell Gunn Seib Jones, is a highly regarded practitioner in Criminal Law. With vast experience and exceptional skills, she is a proficient legal practitioner who is highly dedicated to her clients and offers tireless advocacy for their legal rights. Roberta's commitment to her profession has earned her numerous accolades and recognitions from her peers, including being appointed Queen’s Counsel in 2019. She is known for seamlessly blending her legal knowledge with effective communication, and her unwavering commitment to her profession sets her apart from the crowd.

Phone:204-953-3692
Email:rcampbell@cgsjlaw.com

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Danny Gunn

B.A., LL.B.

Danny Gunn

B.A., LL.B.

Danny Gunn is a founding partner at Campbell Gunn Seib Jones. With decades of experience, Danny is known for his extensive involvement in the field of criminal law. Danny has represented clients in courtrooms across the country, and has a strong track record of successful outcomes in criminal cases. Danny also provides a wide range of legal services to his clients, including counsel on complex white-collar crimes, corporate investigations, and government enforcement actions. Danny's strong commitment to his clients and to the law has earned him a reputation as a top criminal defense attorney, respected by his peers and clients alike.

Phone:204-953-3693
Email:dgunn@cgsjlaw.com

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Aaron Seib

B.Sc., LL.B.

Aaron Seib

B.Sc., LL.B.

Aaron Seib, partner at Campbell Gunn Seib Jones, is an accomplished and notable lawyer in the field of Criminal law. Possessing a wealth of experience and legal knowledge, Aaron has earned an outstanding reputation for his top-notch legal services and unflinching dedication to his clients. Aaron's remarkable ability to navigate complex legal issues and his unwavering devotion to justice have earned him a significant following among clients and peers alike.

Phone:204-953-3695
Email:aseib@cgsjlaw.com

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Kristen Jones

B.A., J.D.

Kristen Jones

B.A., J.D.

Kristen Jones is an accomplished criminal lawyer with extensive experience handling complex cases as a partner at Campbell Gunn Seib Jones. Her wealth of knowledge and involvement in the legal community makes her a valuable asset in helping clients overcome legal challenges and navigate legal proceedings with ease in even the most difficult cases. Kristen has appeared in all levels of Court including the Supreme Court of Canada and maintains a regular practice throughout Manitoba and Northwestern Ontario.

Phone:204-953-3698
Email:kjones@cgsjlaw.com

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Marc Zurbuchen

B.A. (Psych), J.D.

Marc Zurbuchen

B.A. (Psych), J.D.

Marc Zurbuchen is a criminal law associate at Campbell Gunn Seib Jones with over ten years of experience in the legal field. He is an active member of the Criminal Defence Lawyers Association of Manitoba and the Community Legal Education Association. He works tirelessly for his clients, supporting them completely through complex matters. Additionally, Marc's passion for the outdoors and advocacy for sustainable trail systems led him to become a board member of Trails Manitoba in 2022.

Phone:204-953-3292
Email:mzurbuchen@cgsjlaw.com

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Hayley Allardyce

B.A., J.D.

Hayley Allardyce

B.A., J.D.

Hayley Allardyce, a criminal law associate at Campbell Gunn Seib Jones, boasts extensive experience in practicing criminal law and representing individuals in protection order matters, as well as matters through MPI and LSAB. She represents clients in Winnipeg and Brandon and has appeared in all levels of court in Manitoba, as well as the Court of Justice and Superior Court of Justice in Ontario. She has also acted as a guest lecturer on criminal law, and has served as a board member of the Elizabeth Fry Society of Manitoba.

Phone:204-953-3294
Email:hallardyce@cgsjlaw.com

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Kevin Warkentin

B.A. (Hons.), J.D.

Kevin Warkentin

B.A. (Hons.), J.D.

Kevin Warkentin is a seasoned criminal law associate at Campbell Gunn Seib Jones with diverse experience in the legal sector. He has been a valued member of the team since 2021 and is a member of the Law Society of Ontario, Criminal Lawyers’ Association (Ontario), and Kenora District Law Association, and serves as a Board Member for Lake of the Woods Employment Action Project. With his dedication to his clients and commitment to excellence in the practice of law, Kevin is able to provide valuable insight and advice, ensuring that his clients receive the best possible support in their case.

Phone:431-278-4676
Email:kwarkentin@cgsjlaw.com

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Patrick Gutowski

B.Sc., J.D.

Patrick Gutowski

B.Sc., J.D.

Patrick Gutowski is a respected associate at Campbell Gunn Seib Jones, having joined the firm in 2022 as an articling student before assuming his current role. He is a member of multiple professional associations, including the Manitoba Bar Association, the Canadian Bar Association, and the Criminal Defence Lawyers Association. Patrick brings the knowledge, skills, and focus to provide unparalleled legal counsel and representation to his clients.

Phone:204-953-3696
Email:pgutowski@cgsjlaw.com

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Sam Green

B.A., J.D.

Sam Green

B.A., J.D.

Introducing Sam Green, B.A., J.D., an accomplished articling student at CGSJ. With her outstanding academic achievements, including the prestigious Robson Hall Pitblado Scholarship in 2021 and 2022, the D.A. Thompson Q.C. Prize in Law 2021, and the Irvin Goldman Prize for Criminal Law in 2023, Sam brings exceptional expertise and diligence to her work. Her steadfast commitment to excellence in the legal profession makes her a valuable asset to CGISJ, and a promising talent for the future.

Phone:204-953-3690
Email:sgreen@cgsjlaw.com

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Shira Brand

B.A., J.D.

Shira Brand

B.A., J.D.

Shira is a criminal law associate at Campbell Gunn Seib Jones. She is a passionate advocate and prides herself on bringing a personable experience to her clients as she helps them navigate through the complex criminal justice system. Shira represents clients on both criminal and regulatory matters and has appeared before the Manitoba Provincial Court, Court of King’s Bench, the License Suspension Appeal Board and MPI.

Phone:204-953-3694
Email:sbrand@cgsjlaw.com

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Why our Clients choose us?

The lawyers at CGSJ understand the stress you may be feeling when facing criminal charges; a conviction can impact your family, your livelihood, and your freedom. Navigating the legal system can be daunting, but our experienced team will be there to support you legally and emotionally every step of the way. Contact CGSJ today, and together we will focus on building your best possible defence to ensure your rights, your reputation, and your future are protected.

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Meet the CGSJ Team

Roberta L. Campbell

Danny Gunn

Aaron Seib

Kristen Jones

Marc Zurbuchen

Hayley Allardyce

Kevin Warkentin

Patrick Gutowski

Sam Green

Shira Brand

Why our Clients choose us?

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