About Us

Mark Epstein attended York University and graduated with a Bachelor of Arts degree in History. He went on to obtain his Bachelor of Laws from Osgoode Hall Law School. While at Osgoode Hall, Mr. Epstein was an active member of the Community and Legal Aid Services Programme and a founding member of the Small Claims Court Information Clinic at the Toronto Small Claims Court.

After graduating from Osgoode Hall Law School, Mr. Epstein articled with a boutique commercial litigation firm in Toronto and upon being called to the Bar, Mark practised Personal Injury at a downtown Toronto law firm.

In early 2004, Mark moved to York Region and expanded his practise areas to include Family Law. Mr. Epstein's practise now focuses on all areas of Family Law, such as Custody, Access, Separation Agreements, varying Court Orders and Property Division. He is also trained in Collaborative Family Law, a process dedicated to resolving family disputes through negotiation. Mark is the current Chair of the York Collaborative Practice and has negotiated numerous cases to the satisfaction of his clients. In addition to these areas, Mr. Epstein practices Real Estate, Corporate Law and Commercial Litigation.

In 2005, Mr. Epstein opened his own practise in Newmarket.  He has since expanded to include branch offices in Richmond Hill in 2009 and in Scarborough in 2011.

Mark is a member of the York Region Law Association and Newmarket Chamber of Commerce. He currently resides in York Region with his wife and two sons. He is available for a free initial half-hour consultation, evenings by appointment.

Su-Lin Siew obtained an Honours Bachelor of Arts degree in Political Science and International Relations from The University of Western Ontario. She went on to attend at both Lund University in Sweden and Queens University in Kingston, Ontario where she obtained her Masters of Public Administration, concurrently with a Bachelor of Laws.

Following her graduation, Ms. Siew articled with the Department of Justice, advising on various issues including Child Custody and Access, Human Rights laws and National Family and Child Policies. She appeared before various Tribunals and provided extensive litigation support to senior counsel.

Su-Lin joined Mr. Epstein at Epstein Brown LLP in early 2007 and has remained with Epstein & Associates. She is presently practising law solely in the areas of Family Law and Child Protection. Su-Lin has extensive Court experience, appearing regularly before the Superior Court to argue complex Motions and for Trial.  She has a knack for dealing with highly contested Custody and Access matters.  Su-Lin has been appointed as a Panel Presenter by the Newmarket Superior Court and in this capacity will provide information to the public with respect to Family Law and the Courts. 

Ms. Siew is a member of the York Region Law Association and looks forward to assisting you with your legal needs in a professional and cost-effective manner. Ms. Siew is available for a free half-hour initial consultation, after hours appointments available upon request.

Tinnish K. Andersen obtained a Bachelor of Applied Arts (B.A.A.) with a concentration in photography from Ryerson University. Ms. Andersen obtained her law degree from the University of Ottawa, and was called to the Ontario Bar in 2006. Ms. Andersen is fluent in English, French and German.

After being called to the Ontario Bar, Ms. Andersen worked as a sole practitioner in Toronto, assisting clients with negotiated settlements, and representing clients' interests through the Court process, when necessary.

Ms. Andersen joined Epstein & Associates in 2012, and currently practices Family Law, Criminal Law and Landlord/Tenant matters.

Ms. Andersen is a member of the Law Society of Upper Canada, and the York Region Law Association. She resides in Toronto. Her interests outside of law include her Wheaten Terrier, photography, golf and working out at the gym.

Ms. Andersen is available for a free initial half-hour consultation; evening appointments available upon request.

Peter Roupas attended Brock University and obtained a Bachelor of Science degree with first class Honours in Neuroscience. He went on to obtain his Bachelor of Laws from Osgoode Hall Law School.

Roy Hwang attended the University of Toronto, where he obtained a Bachelor of Applied Science in Materials Engineering. As an engineer, Roy worked in the computer and automotive industries before going on to obtain a Bachelor of Laws from the University of Western Ontario.