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Meet Our Team

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Thomasina Wilson

Environmental Consultant and Monitor 

Thomasina Wilson is an accomplished professional with over 40 years of experience 

in the technical field of management and strategic development. She earned her 

master's degree in Environmental Protection and Management from the University 

of Edinburgh in Scotland with a specialty in solid and hazardous waste management 

and excels at advancing organizational development through creative leadership 

and effective teamwork.  Throughout her career, she has held key positions in the 

private and government sector, where she successfully has managed cross-functional 

teams and implemented projects that enhanced operational efficiency. She is skilled 

in project management, institutional training, and stakeholder engagement, making 

her an asset to any organization.   

 

After retiring from her government service, Mrs. Wilson continues to function as a 

freelance environmental consultant and monitor. She also liaises with builders and 

contractors in the planning stages of sanitary landfill construction sites and transfer 

stations. She continues to work as an environmental monitor for projects to ensure 

best environmental practices are being adhered to according to the project 

guidelines. 

Thomasina Wilson

Environmental Consultant and Monitor 

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Thomasina Wilson is an accomplished environmental management professional with more than 40 years of experience in strategic development, organizational leadership and technical management. She holds a master’s degree in Environmental Protection and Management from the University of Edinburgh in Scotland, specializing in solid and hazardous waste management. Throughout her career in both the public and private sectors, she has led cross-functional teams, implemented projects that improved operational efficiency and developed expertise in project management, institutional training and stakeholder engagement. Following her retirement from government service, Mrs. Wilson continues to work as a freelance environmental consultant and monitor, collaborating with builders and contractors during the planning and development of sanitary landfills and waste transfer stations. She also provides environmental monitoring services to ensure projects comply with established guidelines and adhere to environmental best practices.

Dexter Griffith

Site Manager/ Supervisor

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Dexter Griffith is a seasoned Site Manager and Supervisor with over 30 years of experience 

in industrial logistics, offshore operations, and specialized waste management. His career 

spans high-risk, high-performance environments where safety, precision, and operational 

efficiency are critical. 

Dexter began his professional journey with Caroni (1975) Limited in Trinidad and Tobago, 

where he developed strong technical expertise operating heavy-duty equipment, including 

bulldozers and tractor trucks. He later served as Acting Supervisor for aerial spraying 

logistics, gaining early leadership experience in complex operational coordination. 

He went on to work with Schlumberger (M-I SWACO), where he played a key role in 

managing the full logistics cycle for drilling fluids and chemicals—from land-based facilities 

to offshore platforms. His work ensured seamless operations across both onshore and 

offshore drilling environments. 

 

Currently serving as Site Manager / Supervisor at Wilkem, Dexter brings over three decades 

of safety-focused leadership to the Spring City team. He is known for his strong commitment 

to health, safety, and environmental standards, as well as his ability to lead teams effectively 

in demanding and high-risk environments. 

Dexter has completed extensive in-house training with Schlumberger / M-I SWACO, 

including Advanced HSE & First Aid, Personnel Supervision and Leadership, Logistical 

Time Management, and High-Risk Operations in offshore and remote settings. 

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Dexter 
Griffith

Site Manager/ Supervisor

Dexter Griffith is a seasoned Recycling and Recovery Operator with over 30 years of experience 

in industrial logistics, offshore operations, and specialized waste management. His career 

spans high-risk, high-performance environments where safety, precision, and operational 

efficiency are critical. 

Dexter began his professional journey with Caroni (1975) Limited in Trinidad and Tobago, 

where he developed strong technical expertise operating heavy-duty equipment, including 

bulldozers and tractor trucks. He later served as Acting Supervisor for aerial spraying 

logistics, gaining early leadership experience in complex operational coordination. 

He went on to work with Schlumberger (M-I SWACO), where he played a key role in 

managing the full logistics cycle for drilling fluids and chemicals—from land-based facilities 

to offshore platforms. His work ensured seamless operations across both onshore and 

offshore drilling environments. 

 

Currently serving as Site Manager / Supervisor at Wilkem, Dexter brings over three decades 

of safety-focused leadership to the Spring City team. He is known for his strong commitment 

to health, safety, and environmental standards, as well as his ability to lead teams effectively 

in demanding and high-risk environments. 

Dexter has completed extensive in-house training with Schlumberger / M-I SWACO, 

including Advanced HSE & First Aid, Personnel Supervision and Leadership, Logistical 

Time Management, and High-Risk Operations in offshore and remote settings. 

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