Mtonya Deterville

Mtonya A.G. Deterville



Mtonya is an Associate in the firm’s Litigation and Alternative Dispute Resolution Department.

From 2005, Mtonya served as one of Saint Lucian’s youngest diplomats and was a Foreign Service Officer with the Ministry of Foreign Affairs, Saint Lucia. She was attached to the Consulate General of Saint Lucia in Toronto, Ontario, Canada as Consul until 2012.

Her role involved serving Saint Lucians in the diaspora from Western Canada to the Greater Toronto Area (GTA) and necessarily included high level interactions with Canadian Immigration Officials at the Provincial Level. She also collaborated with other Heads of Missions and members of the Diplomatic Corps including the OECS and CARICOM.

During her LL.B program, Mtonya was a student volunteer with the Law Clinic of the Faculty of Law of the University Of the West Indies in St. Augustin, Trinidad and Tobago.

Integrity, fairness, reliability and continuous improvement are four principal values that Mtonya espouses.


  • Litigation and Alternative Dispute Resolution

Practice Areas

  • Commercial and Banking
  • Litigation and Alternative Dispute Resolution
  • Probate and Administration
  • Employment and Labour
  • Personal Injury
  • Divorce

Education and Bar Admissions

  • BSc. (Hons) Business Administration and Marketing, Berkeley College, New York, 2003
  • LL.B, University of the West Indies, Trinidad & Tobago, 2016
  • Legal Education Certificate, Hugh Wooding Law School, Trinidad & Tobago, 2020
  • Admitted to Practice Law in Saint Lucia, 2020

Membership and Other

  • Member, Bar Association of Saint Lucia