Thecla C. Deterville, MBA, CMC
Thecla C. Deterville, MBA, CMC, is an esteemed management consultant and business leader with over 40 years of experience in organizational development, business administration, and human resource management.
As Managing Director of Celestial Self Development Centre, Thecla is recognized throughout the Caribbean for her expertise in institutional strengthening, leadership training, and performance management.
A former General Manager and HR Director at Courts (St. Lucia) Limited, Thecla has led transformative projects in both the public and private sectors, optimizing operations and building high-performing teams. As a two-term President of the St. Lucia Chamber of Commerce, she introduced impactful HR development initiatives and was named Businessperson of the Year in 2007.
Thecla’s board experience spans major organizations, including the Bank of Saint Lucia and Sir Arthur Lewis Community College, where her leadership helped shape policy and governance standards. Until 2024, she was the franchise holder for FranklinCovey East Caribbean, delivering world-class leadership and performance solutions across the region.
Known for her practical, results-driven approach, Thecla designs and facilitates workshops that address real organizational needs, from strategic planning and change management to team building and executive coaching. Her national honors, including the Saint Lucia Les Pitons Medal Gold, reflect her significant contributions to business and community leadership.
As an advisor and collaborator, Thecla brings deep insight, proven strategies, and a commitment to client success. Her work consistently helps organizations strengthen management systems, elevate leadership capacity, and achieve lasting, measurable results.
- Institutional Strengthening & Organizational Development
- Strategic HR Leadership & Workforce Optimization
- Board Governance & Policy Development
- Leadership Development & Executive Coaching
- Change Management & Strategic Planning Facilitation
- Business Administration & Operational Transformation
