Ron Berger

Chief Executive Officer & Founder

Ron Berger serves as the CEO and Founder of VRL, Inc. He purchased the simian laboratory from Esoterix in 2004. The business has seen significant growth under Mr. Berger’s leadership with the addition of new products and services that have helped to improve the quality of research. In 2006, Mr. Berger established VRL China, offering a complete line of diagnostic services then in 2014 growth continued when he purchased the BioReliance Animal Health Services division as part of an expansion plan for offering diagnostics of rodents, rabbits and other research service models. Mr. Berger earned his B.A. in Mathematics (minor in Chemistry) in 1971 from St. Mary’s University, San Antonio, Texas. He has spent most of his career working in IT and specifically programming. His knowledge and expertise of programming has enabled the company to maximize efficiencies and turnaround times for clients.

Dennis Pitts


Dennis Pitts serves as President of VRL, Inc. He earned a B.S degree from Purdue University in Animal Agribusiness and an EMBA from University of Wisconsin. He had stints as Director of Business Development at SNBL USA and as Non-human Primate Manager at Harlan Laboratories. Pitts joined VRL in 2018 as the Director of Business Development and Marketing after working with VRL as an outside consultant focusing on sales and growth strategies. His scientific background combined with his marketing expertise has given VRL a strong vision for moving forward in the competitive area of animal diagnostic testing, and he looks forward to expanding VRL’s diagnostic testing offerings.

Javier Mota, PhD

Director & Senior Scientist

Dr. Javier Mota serves as the Director and Sr. Principal Scientist at VRL Laboratories. Dr. Mota is a graduate of the prestigious National Autonomous University of Mexico, considered the top University in Mexico and a top-100 university worldwide. There, he obtained his Masters and Doctoral degrees in Biochemistry and Molecular Biology. For much of his career, Dr. Mota has studied many of the world’s deadliest Infectious Diseases, including Dengue Fever, Malaria, Chagas disease, HIV, and Tuberculosis. Throughout his career, Dr. Mota worked at some of the world’s most influential institutions in Infectious Diseases, such as The National Institute of Public Health of Mexico, Texas Biomedical Research Institute, Baylor College of Medicine, and The University of Texas institutions. Dr. Mota received many awards in his early career from notable organizations, such as UNICEF and WHO, and has been the co-investigator in many funded research projects. Among his many achievements, he developed a unique humanized mouse to study the infectious process of Dengue fever and developed an immunohistochemistry/immunofluorescence analysis to track vaccine expression in tissue from SIV infected/vaccinated non-human primates. Dr. Mota’s research has been cited by many of his peers, and his contributions to the field of flaviviruses have been instrumental in better understanding disease pathogenesis and progression. Dr. Mota joined VRL Laboratories in January of 2022, joining us from the Greehey Children’s Cancer Research Institute where he served as a Research Scientist. Since then, Dr. Mota has been presenting VRL’s Research and Development projects in national and international scientific conferences, emphasizing VRL’s interest in the gene therapy field and other bioanalytical areas. Since 2023, Dr. Mota serves as the Director, based in VRL San Antonio, where he oversees the day-to-day operations of all our scientific teams. As the Sr. Principal Scientist, Dr. Mota is also personally involved in all Preclinical Bioanalysis operations and is always looking forward to assisting VRL’s customers achieve their scientific goals through carefully developed diagnostic tools.

Gabriela Martinez, PhD

Director of Operations, Canada

Gabriela Martinez holds a B.Sc. degree and a PhD in Microbiology from the University of Rio Cuarto, Argentina. She moved to Canada in 1997 for a postdoctoral training in molecular biology at the University of Montreal.

Prior to joining VRL Canada, Dr. Martinez worked as Scientific Director for FoodChek Systems and Labplas. She significantly contributed to the growth up and success of these companies, which had benefited from her capacity to lead and innovate in the development of diagnostic and environmental sampling products. Additionally, she has extensive experience in planning, managing, and implementing Level 2 containment facilities, with markedly improved laboratory security as well as compliance with regulatory requirements. Respect for others, implication and concern for good work guarantee her customers’ satisfaction.

In 2023, she joined the VRL family to leverage her knowledge and experience in establishing VRL Canada to effectively serve the Canadian market.

Jon Moll, PhD

Director of Operations & Scientific Affairs, Maryland

Jon Moll serves as Director of Operations and Scientific Affairs at the Gaithersburg, Maryland VRL facility. He earned a B.Sc. degree from the University of Michigan in Biology, and his PhD in Biochemistry from the University of Virginia.  Dr. Moll has wide-ranging experience in the field of diagnostic assay development for IVD medical device products as a researcher, as well as director of end-stage product development. This experience includes the successful development of diagnostic tests for genetics-based ailments such as Alzheimer’s disease and thrombophilia, as well as the development of a medical device capable of detecting antibiotic-resistant STIs (sexually transmitted infections). His experience includes stints at Human Genome Sciences, Canon U.S. Life Sciences, and Becton Dickinson at various manager-level and director level positions.  Jon joined VRL diagnostics in 2023 and has been using his diagnostic assay development experience to improve and extend VRL’s capabilities in the field of animal health diagnostics.

Kathy Johnson, PhD

Staff Scientist

Dr. Kathy Johnson received a PhD in Microbiology and a MS in Parasitology from Purdue University. She brings over a decade of experience in clinical diagnostics of infectious diseases within academic research, public health, and veterinary laboratories. Her PhD focused on the development of molecular biology-based assays as well as performing epidemiological studies to characterize Mycoplasma ovis in sheep and goats. Dr. Johnson most recently worked within the COVID-19 molecular diagnostics and virology groups at the Maryland Department of Health State Laboratory in Baltimore.

Danny R. Ragland, BS, DVM, DACVPM


Dr. Dan Ragland earned an undergraduate degree in Biology-Chemistry from South Arkansas University (1972) and received a doctorate in veterinary medicine (1980) at Tuskegee University. He gained valuable clinical research and biocontainment experience during assignments as a laboratory animal veterinarian at Letterman Army Institute of Research, San Francisco, CA, and a 4-year residency in anatomic pathology at the Army’s Medical Research Institute of Infectious Disease (USAMRIID), Ft. Detrick, MD, where he participated in studies investigating viral pathogens and toxins, including Ebolavirus, Lassavirus, Argentine Hemorrhagic Fever Virus, ricin and microcystin. He was a study pathologist for radioprotectant research at the Armed Forces Radiobiology Research Institute (AFRRI) and was the lead veterinarian on the DoD contract that produced heptavalent Botulinum Immunoglobulin (BIG) from hyperimmunized horses (1993-1997). Dr. Ragland was the attending veterinarian and director of the Laboratory Animal Diagnostic Service at BioReliance, Rockville, MD, (1997-2005), where he advised and facilitated development of laboratory animal health programs, and supported GLP toxicology and bioservices teams. From 2005 to 2008, Dr. Ragland directed the laboratory animal program for Lonza Corporation, Basel, Switzerland, where he was responsible for a production animal colony that supported GMP bioproducts and GLP bioservices. Recently (2008-2020), Dr. Ragland was responsible for the animal program at the National Institutes of Health Integrated Research Facility, Ft. Detrick, MD, developing animal models for imaging studies to investigate high consequence infectious diseases. He is a diplomate of the American College of Veterinary Preventive Medicine.

Lisa Tomanek

R&D Lab Supervisor

Lisa Tomanek is the R&D Lab Supervisor at VRL-San Antonio. Lisa has over 16 years of experience in the field of virology, immunology, and microbiology. She received her Bachelors of Science Degree in Biology with an emphasis in Cellular Biology at Midwestern State University in Wichita Falls, Texas. She then began her research career at Oklahoma State University where she studied the Influenza virus at the molecular level. After moving to the University of Oklahoma Health Science Center, she investigated the importance of chemokines in the immunological response of mice to Herpes Simplex Virus Type 2 infection. In 2006 she joined the VRL-San Antonio Research and Development team and since then has been a vital component to the growth of the organization.

Lizeth Garcia

NHP Lab Supervisor

Lizeth Garcia is Lab Manager at VRL San Antonio. Mrs. Garcia has almost 10 years of experience in Molecular Genetics, Microbiology, and Virology. She received a Bachelor’s of Science in Biology with a concentration in Microbiology and Immunology, and a minor in Chemistry from the University of Texas at San Antonio. Years later, she graduated with a Master’s of Science in Clinical Molecular Genetics from Northern Michigan University. She has collaborated in several research studies as part of VRL family. Her experience and knowledge has led to her current position, overseeing VRL San Antonio’s day-to-day diagnostic testing operations.

Jason Lankasky

Maryland Lab Manager

Jason Lankasky is Lab Manager for VRL-Maryland. Prior to joining VRL, Mr. Lankasky worked with the USDA-ARS for 2 years researching genetic anti-bacterial characteristics of tuberous plants. He has also worked with the DoD-NMRC for 7 years researching low grade traumatic brain injury causes and treatments on various animal models. During this time, he gained experience with a wide range of animals, focusing on aquatics and small rodents. The knowledge gained from these positions has led to a smooth transition, now overseeing VRL-Maryland’s day-to-day diagnostic testing operations. Mr. Lankasky earned a B.S. from the University of Maryland in Neurobiology and Physiology, and a M.S. from UMGC in Bioinformatics.

Andreu Garcia

Scientist III, Preclinical Bioanalysis
Biosafety Officer

Mr. Garcia Vilanova obtained his degree in Clinical and Biomedical Laboratory from Barcelona, Spain, where he is originally from. He holds several certifications and specializations in different scientific areas. He joined VRL Preclinical Bioanalysis in 2023 and brings over 15 years of hands-on experience in research, having worked at prestigious institutions such as the University of Barcelona, The University of Missouri, The University of Texas at San Antonio, and Texas Biomedical Research Institute. Mr. Garcia Vilanova has worked with some of the world’s most relevant pathogens, including SARS-CoV-2, Mycobacterium sp., Plasmodium sp., Escherichia sp., among others. He also has many years of research animal experience with nonhuman primates and rodents. Additionally, he has experience in human subjects’ research, having managed the regulatory aspects of several clinical studies. He uses his expertise in diagnostics, laboratory animals, and research to develop new assays for our customers. Mr. Garcia Vilanova has co-authored several peer-reviewed publications in the fields of mycobacteriology, virology, immunology, and gerontology. He brings a multidisciplinary approach to VRL, bridging between basic, animal and clinical research, diagnostics, and regulatory requirements to ensure the highest quality assays are developed and offered to VRL’s customers. He also has expertise in state-of-the-art technologies, such as Flow Cytometry, Mass Spectrometry, Microscopy, Data Science, and Single Cell genomics, among others, which he uses to develop custom assays for our customers. Andreu is also knowledgeable in biosafety, biocontainment and chemical safety, working closely with the laboratory teams at VRL to ensure the safety for our employees and communities.

John Firneno

National Sales Manager

Industry veteran, John Firneno has been named VRL National Sales Manager. Fresh off stints with Flagship Biosciences and Envigo, John brings a wealth of experience adding both sales management support and strategic account management to this key area of the country for VRL. From managing vivaria, colony production to in-vivo/in-vitro toxicology, John’s broad experience in delivering both products and services for pharmaceutical, biotech, medical devices and academia provides a unique understanding of client needs. With a B.S. degree in Management, John has also been an ISO Lead and has served as an IACUC Chair. With his success in building client relationships to meeting client needs, we welcome John Firneno to the VRL team.

Ruth Mitchell

Sales Manager

Ruth Mitchell is a Sales Manager for VRL based in Winston Salem, NC. Her experience spans 20 years in pharmaceutical, medical device, and healthcare product and service industries. Miss Mitchell comes to VRL from Eversana Life Sciences and has received numerous industry accolades. Miss Mitchell is responsible for expanding VRL service offerings to portions of the Midwest, Mid Atlantic, and Southeastern United States. Miss Mitchell holds a Bachelor of Business Administration from Campbell University

Mike Engle

Sales Manager

Mike Engle is a Sales Manager for the New England area including Massachusetts, Connecticut, and Rhode Island.  Mike has been in the biomedical research industry for most of his career and has previously worked with several colleagues from the VRL sales team.  Most recently, he was with Inotiv, prior to that he was with SAGE Labs in a business development role specializing in custom rodent model generation services.  Mike brings a wealth of practical experience in commercial team leadership and strategic account management in support of a wide spectrum of organizations including pharma, biotech, and academic groups, and has worked in several geographic areas of the United States.  Mike is committed to serving clients with a consistently high level of service and resolve to deliver a great experience.

Mandy Horn

Sales Manager – Preclinical Services

Mandy Horn received both her Bachelor and Master of Science degrees from Purdue University in Animal Sciences, and has spent the last 15 years in the laboratory animal industry. She most recently managed the Veterinary Science, Research and Support team at Inotiv, focusing on small animal technical support, health monitoring, and project management, as well as serving on the IACUC. She enjoys interacting with customers and problem solving through scientific solutions.

Kevin Simonds

Client Service Specialist

Kevin Simonds is a Client Service Specialist, with over 10 years’ experience in developing client relationships. He understands the needs of clients and ensures expectations are met or exceeded. Kevin enjoys assisting clients and providing them with the tools they need to be successful. Kevin has been involved with technology companies providing a variety of services and products. He contributes his success to being able to help clients get the information they need quickly and efficiently. Kevin is always working to better understand his clients.