About Us

CATLAB, LLC: The Faces Behind Our Mission Of Bringing You The Best In Analytical Testing & Regulation Compliance

The Professional Officers & Lab Analysts Behind Our Laboratory Testing Services

Meet The Team That Brings You Accurate Analytical Data & More

All of us who work here at CATLAB, LLC are passionate about bringing you up to par with regulation compliance and beyond. Whether you’re testing for potency, analyzing specific cannabinoid profiles, or desire analytical testing for contaminants to make sure your product is in compliance with safety guidelines. Our owners, officers, and lab analysts are here to help you with kindness, professionalism, and an involved approach. To look into our services, click below. But to learn more about us, read on.

The Senior Management Team at CATLAB, LLC has a combined experience of over 100 years in environmental testing and industry.

Guy Sylvester, CEO

He has worked in the environmental industry since the early 1980's, holding roles ranging from General Manager through Director, Vice President, President, and CEO. Since Guy began working with federal, state and military regulators to draft and enforce industry regulations, he has a unique insight of the regulatory process. Guy has over 35 years of experience in Industrial Hygiene and Environmental Indoor Air Quality, as well as the American Lung Association (ALA) Leadership Board and the Indoor Air Quality Association (IAQA), and has served on several other industry boards. (ACAC.org).

Geoff Sylvester, CFO

CATLAB's President and Chief Financial Officer has extensive experience in company transformation in both small and Fortune 500 firms. Prior to joining CATLAB, Geoff managed a $25 million Arizona firm. It took him less than five years to increase the size of his division as a Department Manager at an Environmental Laboratory. Geoff has also worked as a Federal Site Superintendent, Federal Site Safety and Health Officer (SSHO), and Project Manager. His skills in accounting, account management and raw material management have earned him accolades for his ability to develop excellent relationships, enhance procedures, engage team members, and preserve integrity.

Jane Stratton, CRO

Jane Stratton, CRO of CATLAB, has vast experience in business management and customer relations, as well as in the environmental services industry. With over 15 years of experience in Business Management, Environmental Compliance, and Customer Relations all contribute to Jane's skill set at CATLAB. Jane's expertise in Environmental Compliance, Laboratory Information Management System (LIMS), Sales, Marketing, Accounting, and Human Resources make her an invaluable contribution to the firm and our clients. Jane is committed to building and maintaining client connections and offering a consistent customer experience.

CATLAB's analysts excel in chemistry and customer service. Our entire CATLAB team is dedicated to winning our clients' trust through integrity and outstanding performance.

Rebecca Whitney, Analyst

Rebecca grew up in Downeast Maine. She is CATLAB's first Organics analyst. She is in charge of UPLC-UV potency testing. She earned a BS in Chemistry from Elmira College in 2018 and an MS in Forensic Chemistry from Virginia Commonwealth University in 2020. Rebecca's thesis study explored the persistence of gasoline and diesel fuel on arson investigators' clothing. Rebecca began her career as a medical laboratory technologist for a COVID-19 testing facility in central Virginia before moving to Maine with her family. Rebecca, who currently lives in Seacoast, enjoys hiking, Sudoku, and true crime podcasts.

CJ Langley

CJ was raised in Northern Maine and obtained her BS and MS from the University of Maine (Bachelor in Botany 2011; Masters in Ecology and Environmental Science 2017). CJ brings considerable expertise operating a plant physiology lab, a strong foundation in microbiology and organic chemistry, and a strong belief in the cannabis industry's economic impact on Maine. CJ manages the PCR lab at CATLAB, which tests for yeast, mold, and bacteria. CJ grew up exploring the Haynesville woods and still enjoys hunting, sledding, ice fishing, skiing, canoeing, hiking, and rock climbing.

Deisy Pena-Romero, Analyst

A PhD in Chemistry from the Venezuelan Institute for Scientific Research in 2014 follows Deisy's B.S. in Chemistry from Central University of Venezuela. Deisy moved to the US in 2014 to work as a postdoctoral research associate in synthetic organic chemistry at University of Notre Dame. Deisy later moved to New Hampshire to complete a four-year postdoctoral program at University of New Hampshire. Deisy joined CATLAB in October 2020 and enjoys learning about the cannabis industry. Deisy enjoys spending time with her young family, and exploring new places for walks, treks, and other outdoor activities.

Lisa Harding, Analytical Scientist

Lisa is an analytical scientist with more than 25 years experience in chemical analysis in the pharmaceutical, medical device, and cannabis testing industries. She specializes in chromatography and mass spectrometry as well as development and validation of robust laboratory testing methods. Her experience with operation and maintenance of a variety of lab instrumentation including LC/MS and GC/MS makes her an invaluable member of the CATLAB team! Lisa has her BS degree in chemistry from Bates College, and started career at Pfizer in Groton, CT. She moved back to Maine to be closer to family and continued her career in chemistry at UNE College of Pharmacy. Lisa has been in the cannabis testing industry for over three years and brings a tremendous amount of knowledge and experience to our team!

Ian Guite

Ian obtained his Bachelor of Science Degree in Biological Sciences from the University of New England in 2010. He brings with him over a decade of experience doing heavy metals testing on environmental samples using a variety of instrumentation. Ian heads up the metals prep and analytical labs at CATLAB! His vast experience with metals analysis and the ICP-MS adds enormous strength to our team. In his off hours he enjoys reading, writing, and working on sewing projects.


CATLAB's Technology Department manages the company's testing equipment, methods, data, computer network, and information systems. In addition to chemistry, our IT team has extensive experience in project management, computer systems, and network administration. Over the years, we've worked with analysts to improve turnaround time, quality, and performance.


Our marketing team has over 50 years of combined experience in social media, internet and SEO marketing.

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Our Services

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Knowledge Is Power

Looking to learn more about our processes and what it means to be regulation compliant? Check out our education page below for more info.

Get In Touch With CATLAB

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