Leonard J. "Len" Griffiths

Simon Lam is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Simon, who practices law in Toronto, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Simon is held by other top lawyers in the same geographic and legal practice area.

John Atchison is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Real Estate Law. John, who practices law in Toronto, Ontario, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.

Lori Mark is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Real Estate Law. Lori, who practices law in Toronto, Ontario, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lori is held by other top lawyers in the same geographic and legal practice area.

Kathryn Frelick is the Leader of Miller Thomson’s National Health Group. Kathryn has specialized expertise in health and privacy and is a leading lawyer in these areas. She is a trusted advisor to public and private sector health industry clients on a broad range of matters, with a particular focus on regulatory, strategic, and risk management advice. Kathryn’s regulatory practice includes expertise in areas such as health information and privacy, quality and patient safety, menta...

Greg is a partner of the firm and the chair of our Construction Law Group. He has been certified by The Law Society of Upper Canada as a Specialist in Construction Law since May 2001. Greg practises exclusively in the area of construction law, on behalf of general contractors, public and private owners, sureties, subcontractors, suppliers, financial institutions and design professionals. His practice includes all aspects of construction contract and other document drafting and construction cl...

Joan is a Partner in Minden Gross LLP's Tax Group and has extensive experience in domestic and international tax planning. Both highly detailed and experienced, Joan has the unique ability to see the big picture while drilling down to the finest points of a client's needs. Joan chose tax as her specialty for its analytical nature. In tax, the rules are always changing and Joan really enjoys the challenge of keeping up-to-date. Joan is a frequent lecturer for professional and commercial organi...

Angela Rae represents employers in all aspects of labour and employment law, including negotiations, arbitrations, labour board proceedings and actions for wrongful dismissal. In addition, she has represented clients in workers’ compensation, human rights, employment standards and pay equity matters. Angela has written and lectured on all aspects of labour and employment law and is a regular speaker at events hosted by a number of legal education organizations. She is a former member of...

Mark leads Miller Thomson’s insurance practice and oversees the defence, coverage, policy drafting and corporate and captive insurance practice at the firm. With over 35 years of representing Lloyd’s of London syndicates, Mark specialises in construction-related professional indemnity defence as well as a E&O defences of a wide range of professionals including insurance brokers, MGA operators, engineers, architects, lawyers, insurance agents and financial professionals on matt...

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Derry Millar is a skilled and dedicated advocate with a broad civil litigation and administrative law practice who brings his skills in dispute resolution and as an advocate to his work as an arbitrator and mediator. Derry was elected as the Treasurer (President) of the Law Society of Upper Canada (governing body for Ontario lawyers and paralegals) on June 26, 2008 and May 29, 2009, and served as Treasurer from June 26, 2008 to June 29, 2010. Derry is the fourth partner in the history of the ...