Criminal defence attorney Cassandra DeMelo founded DeMelo Law as a means of ensuring that all individuals across London and Southwestern Ontario are represented fairly before the courts. Learn more about the firm below, or contact us to get started immediately.

About Cassandra


Founding Partner

Cassandra DeMelo is a native of London, Ontario, who is fluent in both Portuguese and Spanish. After receiving her undergraduate degree at Ryerson University in Criminal Justice, she returned to her hometown for law school. She received her Juris Doctor from Western University. She thanks the Legal Aid clinic at Western, Community Legal Services, for the fantastic training she was given by them as a student.

After law school, she articled with Lerners LLP. Since being admitted to the Ontario Bar in 2013, she has practiced exclusively in criminal law – a life-long aspiration for her. Cassandra is honoured to be serving her hometown as a criminal defence attorney.

Cassandra recently finished her Masters of Law at Western University on the issue of mental health and bail hearings. She is currently a PhD student at Western Law, focusing on drug reform. She is also the President of the London Criminal Lawyers’ Association, and Vice President for the Criminal Lawyers’ Association. She is on various committees around London, including St. Joseph’s Hospice.

When Cassandra isn’t practicing law, she enjoys spending time with her husband, Josh, who also owns his own business as a Personal Trainer. She is an avid dancer, loves to travel the world, and enjoys spending time with her large Portuguese family.

About Katie



Katie Heathcote is a native of Windsor, Ontario. She studied Criminology, Sociology, and French at the University of Windsor, graduating with an Honours Bachelor of Arts. Katie earned a Canadian law degree at the University of Windsor and an American law degree at the University of Detroit Mercy in 2017. In law school, Katie focused her studies in criminal law and volunteered at the Community Legal Aid Clinic where she honed in on her criminal advocacy skills.

Katie worked as an articling student at a well-known criminal defence firm in Windsor and was admitted to the Bar of Ontario in June of 2018. Since this time, she has worked as an associate lawyer at DeMelo Law.

Katie is the London Regional Director of the provincial Criminal Lawyers’ Association and the Social Director of the London Criminal Lawyers’ Association.  Katie also sits on the Board of Directors for Big Brothers and Big Sisters of London and Area, is a member of the Governance Committee for that organization and is a dedicated mentor.

Outside of practising law, Katie enjoys cooking, travelling, spending time with friends, family and her dog, Checky.

About Tayzia


Articling Student 2022/2023

Tayzia Collesso made London her home after she completed her undergraduate degree at Western University in 2017. She graduated with an Honours Specialization in Psychology and completed her law degree at Western University. Tayzia has dedicated her legal studies to the field of criminal law and has been involved with both the Community Legal Services clinic and the Ontario Court of Justice Placement program. She was also the VP of Communications for the Black Law Students’ Association – Western Chapter.

During her free time, Tayzia enjoys playing soccer, going to the beach and spending time with her friends and family in Guelph.

About Aiden


Office Manager & Paralegal

Aiden Ross is a newcomer to London. He studied Criminal Justice and Public Policy at the University of Guelph and went on to Conestoga College where he took the Paralegal Program. He has previously worked for defence counsel in Kitchener, Ontario where he discovered his passion for criminal law.

When he’s not in the office, Aiden enjoys, reading, hiking, and playing board games.

About Haley


Office Assistant

Haley Moir calls London, Ontario home. She studied Public Relations at Conestoga College in 2012 but decided to pursue a diploma in Paralegal studies, as she has always been passionate about Criminal and Social Justice. She graduated the program with distinction and is thrilled to be working in the industry.

Outside of work, Haley enjoys spending time with her two young boys, snowboarding and traveling.

About Brandon


Accounts Manager

Brandon Clarke was born and raised in London, Ontario. He graduated with distinction from the University of Western Ontario with an Honours Specialization in Criminology and a Minor in Dance. Brandon is a recognized award-winning student, after obtaining the prestigious Principal Regis Entrance Scholarship for his academic success. He was also given the Golden K Award from the King’s University College Students’ Council for his contributions to the community both on and off campus.


During his undergrad, he co-founded a research team called the Not Asking for It (NAFI) project, with the objective of increasing student feelings of safety through policy change, and education surrounding sexual and gender-based violence.

Outside of DeMelo Law, Brandon can also be found instructing classes, choreographing routines, or working the front desk at Dance Extreme Inc. here in London.

Fair Representation in the Courts

Cassandra has a reputation for fighting vigorously for her clients, and for recognizing that a criminal charge does not define an individual.

Community Legal Involvement

Cassandra has worked tirelessly with the Community Legal Services clinic at Western University, as both a student and Review Counsel.

You hope to never need the advice of a criminal defence lawyer. But if you do, you will be glad you called us.