Our Team

David J. Protomanni - Criminal Defense Lawyer & Managing Partner

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Born and raised in Timmins, Ontario, David's path to becoming a trial lawyer was forged when he began playing guitar as a young boy. His passion for performance carried him through his undergrad and Master's, earning him two degrees in music. His love of people and performing guided him to the University of Ottawa where he earned a Juris Doctor degree, followed by his Call to the Ontario Bar. 


Never one for desk jobs, David thrives in a courtroom setting where his passion and advocacy skills truly shine. He consistently perseveres for each and every client, achieving the best results possible.


He can be found meeting clients on a weekly basis at the Niagara Detention Centre.


David has argued cases before the Ontario Court of Justice and the Superior Court of Justice. He is a member of the Legal Aid Panel for Criminal Law and Gladue.


An avid reader and fan of Elon Musk, David enjoys reading about physics and astronomy, cooking, and spending time with his 2 Labrador Retrievers. 

Jonathan Margolin - Criminal Defense Lawyer

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Jonathan came to this country as an immigrant and was raised in Thornhill, Ontario. His passion for advocacy and performance propelled him to earn an undergraduate degree in music at York University and a law degree at Osgoode Hall Law School. His dedication for public service led him to complete his Articles at the Ontario Lottery & Gaming Corporation.


As a criminal defense lawyer, Jonathan is deeply passionate about fighting for the rights of his clients and is relentless in his pursuit of achieving the best possible outcomes.  Jonathan shines in a courtroom setting  and can often be found running contested bail hearings with extraordinary success.


Jonathan has also argued cases before the Ontario Court of Justice and the Superior Court of Justice. He is a member of the Legal Aid Panel for Criminal Law and Gladue.


He is a promoter of criminal justice reform and is zealous in upholding the tenets and principles of the Canadian Charter of Rights and Freedoms. 

Dana Bayley - Licensed Paralegal & Office Manager

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 Born and raised in Hamilton, Ontario, Dana was aware early on that her chosen profession would be one of public service.  For 15 years, Dana practiced as a nurse in the Hamilton and Niagara regions, working in surgical, palliative, long-term care, with the majority of her medical career spent working in psychiatric and behavioural health.   

These life experiences and transferable skills made her transition into criminal law, seamless. 


As a Licensed Paralegal, our firm looks to Dana's knowledge and more importantly, people skills, to guide our clients through what are often very stressful times. She's known as the go-to person in our firm and our clients often remark that they leave our office feeling more calm and with a better understanding of their matter.

Emma Fritchley- Legal Assistant to Mr. Protomanni & Mr. Margolin

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Emma is a graduate of Wilfrid Laurier University, where she studied Political Science and Legal Studies. As a long term service industry worker, Emma has a passion for helping others.  


Emma works alongside David and Jonathan to achieve success in each and every unique situation that comes their way. She focuses on office communication, organization & coordination, court appearances, and general administrative work. Emma is a hard working addition to the team who strives to make a positive difference in people’s lives.

Jeremy Bieman - Law Student

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After completing his undergraduate degree in Business at Wilfrid Laurier University, Jeremy worked for a Family and Criminal Law firm in Guelph, Ontario before beginning his law degree at the University of Birmingham. 


Coming from a legal background, and as the Chair of the Criminal Appeals Unit of the Birmingham Pro Bono Group, Jeremy is eager to assist both Mr. Protomanni and Mr. Margolin to ensure their client's rights are upheld and matters dealt with smoothly.  


Jeremy joins Protomanni & Associates as a summer law student. He will return for his last year of law school in October.