Environmental Health and Analytical Services (EHAS) Team
Kearion Simpson
Position: Team Lead, Microbiology
Ms. Kearion Simpson is a trained analyst with over seventeen years’ experience conducting chemical and microbiological analyses on a variety of matrices such as food, air, environmental swabs, water & wastewater. She has significant experience developing and maintaining Quality Management Systems and adhering to quality control procedures which allows her to ensure that the work she produces, and by extension the laboratory, is accurate, traceable, and reproducible. Ms. Simpson’s experience in Quality Management Systems has also allowed her to lead and/or provide support to the team in both internal and external audits.
As Team Lead, Ms. Simpson is instrumental in ensuring that the laboratory’s Quality Management System and all applicable standards of quality are met and maintained. Her training in implementing and maintaining the ISO 17025 standard, as well as HACCP Auditing, Documenting of HACCP Prerequisite Programs and Development of HACCP Plans allows her to be of support to the manufacturing sector.
Ms. Simpson is a vital member of the ESL team and has contributed significantly to its growth and development over the years. Her experience, customer service skills, keen eye to detail and her passion for quality makes her a valued member of the team.
Monique Mighty
Position: Quality Control Officer
Monique Mighty is Quality Control Officer and she holds a BSc. in Applied Science from University of Technology with a major in Environmental Science. She is an Analytical Microbiologist and the Deputy Technical Manager for the Microbiology Laboratory. She specializes in Food, Water and Environmental Microbiology. She has training in food safety systems including HACCP/GMP and other ISO management system. Ms. Mighty is a Preventive Controls Qualified Individual trained by the Food Safety Preventive Controls Alliance (FSPCA). She is tasked with ensuring that the operations of the Microbiology lab are consistent with the requirements of EHAS’ Quality System and other standards. This includes but is not limited to; the upkeep of reference microorganisms, research and development of new analytical methods/techniques. Ms. Mighty is also a client manager who is responsible for the liaison with clients re sample analysis, sample handling and reporting. Her areas of expertise includes:Microbiological Investigations, Assessment of threats to Food Safety, Microbiological, Quality Control and Laboratory Audits
Trevaughn Thompson
Position: Analyst, Chemistry
Mr. Trevaughn Thompson is a Chemical Analyst in the Environmental Solutions Limited’s EHAS Quality & Environmental Health Lab and has over 10 years experience working in a lab.
Mr. Thompson has a keen interest in graphic design, which allows him to combine his analytical skills with his creativity to produce stunning designs.
His dedication to academic excellence has not gone unnoticed, and he received the Canadian Association scholarship for outstanding grades in his first year of college. Mr.Thompson is currently pursuing a degree in Physics, which he finds be both challenging and fascinating.
He has a love for science and mathematics which started early on in life, and during high school, he received a Caribbean Award in technical drawing, which further fueled his passion for technical fields.
When not busy with work or school, he enjoys spending time with his family, staying in, and listening to music
Vianzo Rowe
Position: Sampling Technician
Rowe is a sampling technician with training in sampling techniques that meets international standards. He has over twenty years’ experience collecting samples of various matrices including air, water, and soil from different sites across Jamaica.
Mr. Rowe is a key member of the QEHL team. He is responsible for ensuring samples are transported to the laboratory in the time and conditions required to ensure quality data is obtained from the analysis. Mr. Rowe has demonstrated the ability and willingness to complete moderately labour intensive tasks and also perform basic maintenance of equipment used in the field.
Valerie Paisley-Downer
Position: Lab Technician
Mrs. Paisley-Downer is a Laboratory Technician in the Environmental Solutions Limited’s EHAS Quality and Environmental Health Lab and is responsible for the maintenance of the Microbiology Laboratory environment. She plays an integral role in the daily operation by assisting with media and reagents preparation, equipment maintenance activities. She participates in, and assists, with the execution of training exercises and conducts quality control checks ensuring that the testing environment meet the requirements necessary for analysis.
Mrs. Paisley-Downer is also responsible for inventory management thus ensuring that supplies are always available. Additionally, she assists with the receiving and examination of reagents and equipment to ensure they meet the labs specific requirements, at all times ensuring that the Quality Management System is adhered to. Her constant determination to complete any given task makes her an important asset to the ESL team.
Trevor T. Mighty
Position: Laboratory Technician
Mr. Mighty is a Laboratory Technician whose primary focus is report preparation and providing other administrative assistance such as maintaining good client relations with both internal and external clients.
He is trained in document management and is competent with the use of computer system and the quality control procedures of the lab.
Shedrack Walker
Position: Laboratory Assistant
Mr. Shedrack Walker works as a Laboratory Assistant in the ESL 17025 accredited Laboratory. He is tasked with aiding the Microbiological Analysts by preparing glassware, reagent and media. He also plays a critical role in conducting quality control checks of the analytical environment.
Mr. Walker is a detail-oriented and efficient worker. He has a pleasant personality with a ready smile.
Jaidene Webster-Jones– BSc.
Position: Assistant Manager, Chemistry
Mrs. Jaidene Webster-Jones is a graduate of the University of the West Indies who majored in Environmental Chemistry and minored in Psychology. During her tenure at the University of the West Indies, she was awarded multiple academic commendations and inducted into the Chemistry Honours Society. She was also the recipient of the Avinash Potluri Prize in Animal Diversity from the Department of Life Sciences for the 2015/2016 academic year and a recipient of the Ambassador Glen A. Holden Bursary.
Her role at ESL involves participating in research and process improvement exercises as well as collecting, inspecting and analyzing samples from a variety of matrices. Mrs. Webster-Jone is very passionate about the environment and is involved in numerous community activities.
Travis Garnett, B.Sc.
Position: Senior Analyst, Microbiology
Mr. Travis Garnett is driven, friendly and dedicated to personal growth and success – He is the holder of a BSc. In Biotechnology from the University of the West Indies, Mona and is a trained Microbiology
Analyst, Sampling Technician and Client Manager. Mr. Garnett is tasked with ensuring that clients receive timely results of an exceptional quality in keeping with the ISO 17025 accreditation.
As an Analyst he specializes in conducting microbiological analyses on water, food and environmental samples. Mr. Garnett has further competencies is molecular biology techniques as well as plant tissue culture.
Shellion Brown
Position: Operations Technician
Nicholas Harris
Position: Administrative Assistant – EHAS
Mr. Nicholas Harris is employed to Environmental Solutions Limited as an Administrative Assistant and Junior Procurement Officer for the Environmental Health and Analytical Services Division.
He has several years experience as a customer service repersentative, telemarketer, sales and marketing representative and public relations. Mr. Harris is passionate about professionalism and ethics and principles.
He loves people and is a champion in providing humanitarian aid for all and is a Youth Leader.
Nicholas McCalla
Position: Senior Analyst, Chemistry
Mr. Nicholas McCalla is a graduate of the University of the West Indies who majored in Pharmacology. He was awarded the Government Exhibition Award during his tenure at The University of the West Indies.
Mr. McCalla is a Senior Analyst in the ESL’s Environmental Health and Analytical Services Division – Chemistry Lab and is tasked with the day-to-day analyses of various parameters on water samples, sample collection and client management.
He is also an aspiring author, publishing fictional novels on online platforms such as Amazon.
Reena M. McKenzie -M.B.A (Hons.)
Position: Quality Management Systems Manager
Ms.Reena McKenzie is the Quality Management Systems (QMS) Manager for the Environmental Health and Analytical Services Division at ESL. She holds a Bachelor of Science degree in Applied Chemistry (Major) and Food Chemistry (Minor) as well as a Master of Business Administration post graduate degree in Banking and Finance (Distinction) from the Mona School of Business and Management at the University of the West Indies, Mona Campus.
She has garnered significant experience working as an analytical chemist with a background in analytical testing using gas/liquid chromatography instrumentations (GC-MS, LC-Pickering, GC/ECD and LC-QQQ), method research and development, personnel training and management, internal audits and ensuring compliance with international quality standards and industry regulations.
Her main responsibilities include the daily overseeing of the ISO/IEC 17025 accredited Quality & Environmental Health Laboratory, where she ensures that all activities are compliant with the applicable standards and industry best practices.
She actively participates in environmental and community outreach projects through her membership in the Leo Club of Mona and has gained experience working as a consultant on projects, budgets, and curriculum proposals. Ms. McKenzie is an avid outdoors person who enjoys hiking, exercising, and eating good food. She is a proud Glenmuir High School alumnus, whose mantra is “Live, Love, Laugh and have Faith!”
Risan Ford, B.Sc.
Position: Laboratory Support & Digital Media Management Officer
Risan Ford is a dedicated Chemical Analyst with a passion for applying science to real-world environmental and forensic challenges. She holds a Bachelor’s degree in Chemistry, majoring in Applied Chemistry with a minor in General Chemistry, from the University of the West Indies. Always eager to expand her skill set, Risan is currently pursuing a Master’s in Forensic Drug Chemistry at the University of Florida, blending her curiosity about chemistry with a focus on forensic applications.
At Environmental Solutions Limited, Risan’s role goes beyond just chemical analysis. She’s involved in everything from sample testing to quality control, ensuring environmental standards are met. She also lends her IT skills to support the company’s digital side, managing the domain, keeping an eye on social media activity, and maintaining internal systems. Known for her versatility and problem-solving approach, Risan is valued for her ability to bridge chemistry and IT, helping her team stay both scientifically rigorous and digitally connected.
Shanice Robinson
Position: Senior Analyst, Chemistry
Miss Shanice Robinson is a chemistry analyst employed in the Environmental Health and Analytical Services Division. As an analyst, Shanice is tasked with sample collection, client management as well as the analysis of various parameters.
She is currently focused on continuing her professional and personal development.
Ricaldo Pryce, BSc – PhD Candidate
Position: Team Lead, Chemistry
Ricaldo is currently the Chemistry Team Lead in the Environmental Health and Analytical Services (EHAS) Division of ESL. He is also in the final stages of completing his PhD in bio-organic chemistry at the University of the West Indies, Mona. He is a young professional that is growing in the field of green chemistry and sustainable development and is actively developing strategies in his research to make certain chemical reactions a lot “greener” and environmentally friendly. Ricaldo was also selected to take part in the annual ACS summer school on Green Chemistry on Sustainable Development in Golden, Colorado 2023, where young professionals in the field got the chance to learn about the newest innovations in the field of green chemistry from the leaders in the area. He has also presented his research findings at several international conferences including The 9th Annual IUPAC Conference on Green chemistry and Engineering in Athens, Greece, The South Easter Regional Meeting ACS (SERMACS) in San Juan Puerto Rico, and the Mona Symposium on Natural Products and Medicinal Chemistry in Kingston Jamaica.
Garfield Williams, BSc – PhD Candidate
Position: Officer, Specialized Services – OSH Division
Bio-Organic Chemist | Industry Expert in Medicinal Cannabis & Analytical Chemistry | OESH Specialist
Garfield Williams is a seasoned Bio-Organic Chemist with a diverse and robust background in medicinal cannabis processing, natural product chemistry, and advanced analytical techniques. With over 10 years of experience in scientific research, product development, and team leadership, Garfield brings deep expertise in both the academic and industrial sectors. Currently an advanced PhD candidate in the Department of Chemistry at The University of the West Indies (UWI), he specializes in areas including synthetic and computational chemistry, fungal biotransformation, enzyme modelling, and molecular docking.
Garfield has worked across various roles, including as a medicinal cannabis processing manager, project officer, and analytical/environmental chemist. His work spans critical areas such as Good Manufacturing Practices (GMP), ISO17025, HACCP, and Quality Assurance/Control (QA/QC), with an emphasis on regulatory compliance, environmental monitoring, and risk assessment. He has played a key role in the development of innovative products, process flow optimization, and the design of GMP-compliant facilities for the medicinal cannabis industry.
As Officer-Specialized Service (OSS) at Environmental Solutions Limited (ESL), Garfield is responsible for managing projects and providing technical consultations in environmental health and analytical services. Additionally, he is a part-time Lecturer of Analytical Chemistry at the University of Technology Jamaica, where he mentors the next generation of scientists and researchers.
With a passion for advancing scientific discovery and ensuring the highest standards in quality and safety, Garfield is a trusted leader and consultant in the fields of bio-organic chemistry and medicinal cannabis research.
Raheem Stephens
Position: Analyst, Chemistry
Raheem Stephens is a graduate of the University of Technology, where he acquired his BSc. in Pharmaceutical Technology. He is employed in the Environmental Health and Analytical Services Division as a Chemistry analyst. Raheem is helpful individual who enjoys playing videogames and engaging in outdoor activities.
Natasha Thompson
Position: Assistant Manager, Microbiology
Natasha Thompson is the Assistant Manager for the Microbioly Laboratory at Environmental Solutions Limited. She is accomplished in the area of food science with specialization in microbiology and food safety, with over ten years of experience. Natasha has extensive experience in food safety audits, food testing, quality assurance, and laboratory operations and has a proven track record in implementing and maintaining ISO/IEC 17025:2017 and ISO 15189:2022 quality systems while ensuring laboratory processes and operations meet the highest standards of quality and compliance.
With a focus on optimizing laboratory efficiency and client satisfaction, she has played a pivotal role in establishing and overseeing multiple laboratory facilities while providing strategic direction. As a food safety auditor, she is deeply committed to advancing food safety practices in the industry through the development and ongoing review of standard operating procedures (SOPs) and work instructions tailored to daily operations, specific product testing and the production of safe and quality foods. She also conducts audits and training in food safety, quality assurance and microbiological testing tailored to the client’s needs.
Natasha is also skilled in conducting internal audits, risk assessments and root cause analyses, and she ensures that corrective and preventative actions are effectively implemented. She consistently stays up to date with the latest food testing technologies and methodologies and applies this knowledge to enhance the laboratory’s capabilities. Her technical expertise includes troubleshooting issues related to the performance of analytical methods, interpreting data and providing recommendations as well as ensuring all data produced by the laboratory are accurate and credible. With her keen attention to detail, strategic mindset, and strong leadership abilities, she ensures that laboratory operations run smoothly, customer needs are met, and quality systems are continuously optimized.
Natasha has a Masters Degree in Food Science and Technology from the University of West Indies.
Lavonne Wilson
Position: Analyst, Microbiology
Lavonne is a skilled microbiology analyst with experience in microbiological testing, quality control and laboratory analysis. She has a degree in General Chemistry and Biotechnology with research experience.
Lavonne is proficient in aseptic techniques, microbial culture and identifying contaminants using advances laboratory protocols. Know for her attention to detail and commitment to accuracy, along her team she plays a key role in maintaining compliance with regulatory standards.
Outside of the laboratory Lavonne is passionate about music, hair care, skin care and makeup. She is passionate about fitness and always has a positive outlook on life.
Jody-Ann Williams
Position: Analyst, Microbiology
Jody-Ann is a passionate microbiology analyst with an Honors Bachelor’s degree from the University of the West Indies, majoring in Biochemistry and minoring in Psychology. She began her professional journey as a chemistry analyst at Environmental Solutions Limited before transitioning to her current role in microbiology, where she continues to apply her expertise to ensure quality and compliance.
As a dedicated Youth Leader, Jody-Ann actively volunteers and engages in community outreach initiatives, striving to make a meaningful spiritual impact. An avid photographer and graphic designer, she channels her creativity as a key member of the communication department at her local church. With a deep passion for scientific discovery, Jody-Ann aspires to pursue a Master’s degree in Plant Biochemistry, combining her analytical skills and dedication to research to make significant contributions to the field.