Our Team

David J. Protomanni - Criminal Lawyer - Principal

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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.


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

Alexandra Cohan - Criminal & Family Lawyer

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Alexandra obtained her JD at Monash University in Australia and was then admitted to practice in Australia. She returned to Canada where she received her Certificate of Qualification from the Federation of Law Societies of Canada. She then articled at an insurance defence firm and was then called to the Ontario Bar.


Alexandra developed a passion for criminal defense and family law while in Australia where she worked for a criminal and family sole-practitioner and then a Family Court Judge. She is enthusiastic about helping to make a difference in people's lives, particularly when they are vulnerable and going through a difficult time; contributing to her community, and fulfilling a sense of social responsibility. 

Jonathan Margolin - Criminal 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.


Jonathan joins Protomannni & Associates 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. 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 and family 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.