Our Lawyers
Douglas P. Cassino
*RETIRED
Douglas P. Cassino was a founding lawyer of Cassino Coulston and Gallagher, where he built a distinguished legal career. Over the course of 50 years, Doug practiced in the areas of Real Estate, Wills and Estates, and Corporate Law.
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As of January 1, 2025, Doug has retired from active practice, leaving behind a legacy of excellence and integrity. His practice has been confidently entrusted to Steve Nicholson, who is committed to upholding the same high standard of service and care.
Mark Coulston
Scott Gallagher
Scott obtained his Bachelor of Laws degree in 1986 from the University of Western Ontario and was called to the Bar in 1988. With over 35 years of litigation experience, Scott is a highly regarded lawyer known for expertise in civil, family, and estate litigation. He has represented a broad range of clients in both complex and high-stakes cases.
Scott has extensive trial experience in the Superior Court of Justice and has represented clients at each of the Divisional Court and the Court of Appeal for Ontario. Throughout his career Scott has been a trusted advisor and tenacious advocate with a deep commitment to the ethical practice of law.
Scott proudly holds both his Canadian and Irish citizenship.
Erin Buchner
Erin obtained her Juris Doctor from Queen’s University Faculty of Law in 2010 and was called to the Bar of Ontario in 2011. Since then, she has exclusively practiced labour and employment law, developing an in-depth knowledge of employees’ rights and remedies.
Erin provides thoughtful and practical advice to clients in a manner that recognizes that the employees she works with are often in the midst of difficult or transitional periods in their careers.
Erin aims to achieve resolution through negotiation, but is ready to litigate employee claims to ensure fair results for her clients.
She represents clients in a variety of workplace matters by:
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Reviewing and negotiating employment contracts
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Reviewing and negotiating termination packages
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Assisting employees with discrimination and/or accommodation claims
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Guiding and representing employees throughout workplace investigations
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Guiding and representing employees through leaves of absence
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Litigating wrongful dismissal, constructive dismissal and discrimination claims
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In all matters, Erin considers each client’s unique needs and best interests to ensure the approach taken is appropriately tailored to his or her goals and objectives.
Since 1986, Mark has been representing employees in a variety of employment matters. Mark is well-known in the field of employment law and has earned a respected reputation as a leading employment lawyer in London and Southwestern Ontario.
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Mark’s practice is built on ensuring that clients fully understand their options by providing them with first rate guidance. Mark’s vast experience in employment law has given Mark unique insight into the factors that are relevant to employment law matters. Mark’s broad understanding of the issues is of paramount importance in achieving quick and positive resolutions to employment problems.
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Mark is proud to restrict his practice to representation of employees, including the following services:
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Termination of employment, or other disciplinary matters
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Human Rights matters, including discrimination and/or accommodation in the workplace
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Harassment and bullying in the workplace
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Workplace investigations including representation of complainants and respondents
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Reviewing and negotiating employment contracts
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Mark has guided thousand of clients in overcoming the emotional and financial burdens arising from the termination of employment, or other problems in the workplace. Mark’s years of experience has provided Mark with foundational skills and knowledge to meet client needs, and Mark is committed to meeting the unique challenges provided by each and every case.
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