Attorney
Family and immigration law
Sheyla Gamboa is an attorney with solid experience in family law and immigration law. She began her professional career in her native country in 2001, where she practiced family law. Upon her arrival to Canada, Me Gamboa began her law studies and in 2013 she joined a Montreal law firm practicing primarily in family and immigration law. With this experience, she decided to open her own law firm in 2018, bearing her own seal, where her main priority is to defend the interests of her clients.
Attentive, understanding and very dedicated to her clients, Me Gamboa handles a variety of cases, especially in matters of divorce, alimony, child custody, filiation, etc. In immigration law, she handles various types of cases, primarily the representation of asylum seekers before the Immigration and Refugee Board.
Me Gamboa is also a family mediator with a human approach to conciliation. In addition, she regularly pleads before the courts and is recognized for her sense of professionalism, courtesy and spirit of service.
Committed to making justice accessible to all, Me Gamboa is actively involved with a variety of community organizations, such as centers for women victims of domestic violence and several legal aid centers.
Attorney
Family and immigration law
Séna Lahaye holds a bachelor’s degree in international relations and international law (UQAM 2008), a master’s degree in international law (UQAM 2013) and a bachelor’s degree in law (UQAM 2017). Interested in family and immigration law, she joined Gamboa Avocat as a legal intern in January 2019, then as a lawyer in July 2019.
Organized and methodical, Me Lahaye has an extensive work experience in an intercultural environment, having worked for many years in the field of international cooperation. In addition, access to the justice system is a very important matter to her, and this was even the subject of her master’s thesis for which she received with distinction.
In family law, Me Lahaye regularly pleads before the Superior Court, among others, in cases of child custody, alimony, school choice and filiation. In immigration, she can assist you with your application for sponsorship or visa.
She wishes to continue to develop her professional expertise all the while being empathetic and attentive to her clients’ needs.
Attorney
Family law
Ouleye Ngame is a lawyer who was recently admitted to the Quebec Bar in 2025. She completed her bachelor’s degree in law at the University of Montreal in 2023, after initially studying biomedical sciences. Passionate about family law and youth protection, she completed her internship at a large firm specializing in this field, where she developed expertise in drafting, research, representation, and negotiation.
Gifted with a keen sense of rigor, autonomy, and excellent organizational skills, Me Ngame demonstrates active listening and empathetic communication, qualities that are essential in the field. Her diverse experience also includes involvement with the University of Montreal’s Legal Clinic, which has allowed her to work on concrete and sensitive cases, developing her professionalism and sense of humanity.
Me Ngame wishes to put her skills at the service of access to justice and to support her clients with dedication throughout the legal process.
Legal Assistant
Sergio Villanueva is a Peruvian lawyer from the Pontificia Universidad Católica del Perú (PUCP). He joined Gamboa Avocat as a Legal Assistant in September 2025.
His professional practice has been developed in the sector of the Ministry of Foreign Affairs of Peru, especially in the areas of human rights, judicial cooperation and international law; and, later, at the Peruvian Agency for International Cooperation where he developed expertise in administrative law and international cooperation.
As part of his academic career, he has a master’s degree in political science and international relations at the PUCP, where he deepened his knowledge of the reality of Latin American countries. He recently completed his master’s degree in law at the University of Montreal, whose research focused on the responsible business conduct in the field of human rights and Canada’s international commitments in this regard.
AWith this multidisciplinary approach, accompanied by his sense of organization, rigor, orientation towards results and, particularly, his vocation for service; Sergio wishes to continue his professional career in Canada, mainly highlighting the human aspect of the law in the assistance he provides to Gamboa Avocat’s clients.
Administrative Assistant
Originally from Haiti, Bernadette Marcéus had the opportunity to develop her skills and broaden her academic horizons in the Dominican Republic. Her career path has enabled her to acquire technical expertise while developing a strong ability to respond to customer needs with efficiency and empathy.
With a degree in Computer Engineering from Universidad Católica Tecnológica del Cibao, and a diploma in Business Administration from La Cité Collégiale de l’Ontario, Bernadette Marcéus has five years’ experience in customer relations and administration. She has the ability to guarantee a high level of customer service, interpret customer needs and find appropriate solutions to best meet them.
A polyglot, she is fluent in four languages – French, Spanish, English and Haitian Creole, which enables her to interact with customers from diverse backgrounds.
Bernadette Marcéus is attentive and efficient, professional and dedicated.
She is motivated by the desire to offer quality services while remaining attentive to people’s needs.
Legal Assistant
Originally from Mexico, Arelly Moreno Delgado is currently studying criminology at the Université de Montréal. With a passion towards the immigration field and learning more about the subject, she joined the Gamboa Avocat team in march 2025 as a legal assistant.
Paralegal
Meriem joined the Gamboa Avocat team as a paralegal in July 2024.
