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Microbiology Expert Witnesses

Microbiology disputes arise wherever microscopic organisms and their effects intersect with commercial, regulatory, and product-safety questions. Food and beverage companies face regulatory and business disputes over contamination testing, quality assurance protocols, and compliance with food safety regulations following a recall or regulatory inspection finding. Environmental and property disputes, including disagreements over indoor air quality, mold, and industrial contamination, frequently require microbiological analysis to determine the source and extent of contamination and whether remediation met accepted standards. Biotechnology and pharmaceutical companies also generate patent and licensing disputes over antimicrobial agents, diagnostic assays, and fermentation or bioprocessing technologies. At the center of most matters is whether a company's testing, quality control, or remediation practices met the microbiological standards the industry and regulators require.

A microbiology expert helps counsel interpret laboratory testing data, contamination sourcing, and quality assurance protocols relevant to the dispute. In food safety and regulatory matters, experts can assess whether a company's testing and quality control practices met accepted industry and regulatory standards, informing both compliance and liability arguments. In environmental and property disputes, experts can identify the likely source of contamination and evaluate whether remediation efforts were consistent with accepted microbiological practice. In biotechnology and patent disputes, experts can analyze whether a claimed antimicrobial agent, assay, or bioprocessing method meets patent claim limitations or departs from prior art. This analysis gives litigators the scientific grounding needed to argue compliance, causation, and intellectual property questions credibly.

Because microbiology spans applications from food safety and environmental forensics to biotechnology and pharmaceutical development, matching an expert's specific research and industry background to the case is essential. The microbiology professionals Round Table Group can provide have worked across food safety, environmental science, and biotechnology, with experience spanning pathogenic bacteria, diagnostics, and fermentation technology, and several have published extensively and testified on matters involving contamination, quality assurance, and biotechnology patents. We've completed more than 75,000 expert searches for litigators, and we apply that experience to match counsel with a microbiology expert whose specific background fits the case. Let us help you find the right microbiology expert for your case by calling us at (202) 908-4500.

Kinds of Cases We Work On

Round Table Group helps our clients find a wide variety of Microbiology expert witnesses for cases like:

01

Listeria Contamination Traced to Raw Ingredient.

A ready-to-eat food manufacturer sued its raw ingredient supplier after a nationwide recall triggered by Listeria monocytogenes contamination was traced to a specific ingredient lot, alleging the supplier's environmental monitoring program failed to catch a persistent contamination source at its facility. We identified experts with experience in food microbiology, environmental monitoring program design, and Listeria control in food manufacturing. The program had repeatedly detected Listeria at a specific drain location for months without triggering the required enhanced sanitation response, supporting a settlement covering the recall costs.
02

Preservative Failure Sparks Cosmetics Recall.

A cosmetics brand sued the contract manufacturer that produced one of its facial care products after a batch failed a routine microbial challenge test post-launch, revealing inadequate preservative efficacy that allowed bacterial growth in units already on shelves. We identified experts with experience in cosmetic microbiology, preservative efficacy testing, and microbial challenge test validation. The preservative system had been validated at a different surfactant concentration than actually used in production, invalidating the original results and supporting a recall-cost settlement.
03

Sterility Test Failure Halts Drug Batch.

A pharmaceutical sponsor sued the contract manufacturing organization producing its injectable drug product after a sterility test failure forced destruction of a substantial production run and delayed a critical launch. We identified experts with experience in pharmaceutical microbiology, aseptic processing, and sterility assurance validation. A documented breach in the fill line's unidirectional airflow pattern matched the organism identified in the failure, supporting a settlement covering the lost batch and launch delay.
04

Water Treatment Vendor Blamed for Legionella Outbreak.

A hotel management company sued the water treatment vendor responsible for its cooling tower system after a Legionella outbreak forced an extended closure, alleging the vendor's chemical treatment program failed to maintain the contracted biocide levels. We identified experts with experience in water microbiology, Legionella control programs, and cooling tower treatment standards. Biocide dosing had repeatedly fallen below the contracted minimum in the months before the outbreak, a pattern the vendor's own data should have flagged, supporting a settlement covering closure and remediation costs.
05

Bottled Water Lab's False Negative Disputed.

A bottled water company sued the contract testing laboratory it had engaged for routine microbial quality testing, alleging a false negative result on a batch that later tested positive for coliform contamination at a retail distribution point forced a costly market withdrawal. We identified experts with experience in water microbiology testing, laboratory quality assurance, and microbial detection method validation. The lab had used an expired growth media lot that its own quality control log should have flagged, supporting a negligence settlement covering the withdrawal costs.
06

Contaminated Raw Milk Spoils Dairy Production.

A regional dairy processor sued the dairy farm cooperative supplying its raw milk after a batch of finished cheese spoiled prematurely across a substantial share of a production run, alleging the milk contained elevated psychrotrophic bacteria levels inconsistent with the supply agreement's specifications. We identified experts with experience in dairy microbiology, raw milk quality testing, and psychrotrophic bacteria contamination analysis. Bacterial counts had exceeded the specified threshold in most deliveries during the disputed period, correlating directly with the spoiled runs, supporting a settlement covering the product losses.
07

Yeast Culture Contamination Ruins Brewery Batch.

A craft brewery sued the yeast culture supplier it had contracted with after a delivered culture was found contaminated with a wild yeast strain, causing an entire production run of a flagship beer to develop off-flavors and be destroyed. We identified experts with experience in brewing microbiology, yeast culture purity testing, and fermentation quality control. The purity testing for the delivered lot used an insufficient incubation period to reliably detect the wild yeast contaminant, supporting a settlement covering the destroyed batch's production costs.
08

Preservative Efficacy Failure Sinks Lens Solution.

A contact lens care product company sued the contract manufacturer producing its multipurpose lens solution after a batch failed post-market microbial testing, revealing the preservative system had lost efficacy well before the labeled shelf life, prompting a voluntary recall. We identified experts with experience in pharmaceutical and cosmetic microbiology, ophthalmic product shelf-life validation, and preservative stability testing. Stability testing had only been conducted at recommended storage temperature without the standard accelerated and elevated-temperature testing, supporting a recall-cost settlement.
09

Sterilization Validation Gap Blamed for Recall.

A medical device manufacturer sued the contract sterilization provider it had engaged for a line of surgical instruments after a subset of sterilized units failed a post-market sterility audit, forcing a recall. We identified experts with experience in medical device sterilization validation, biological indicator placement standards, and sterility assurance auditing. Biological indicator placement had not adequately represented the hardest-to-sterilize location in the packaging configuration, supporting a settlement covering the recall costs.
10

Reference Lab's Culture Misidentification Draws Suit.

A hospital system sued the reference clinical microbiology laboratory it had contracted for bacterial culture and susceptibility testing, alleging a systematic misidentification error in the lab's automated identification system caused a pattern of inappropriate antibiotic treatment decisions across a substantial share of processed cultures. We identified experts with experience in clinical microbiology identification systems, laboratory calibration standards, and antibiotic susceptibility testing quality assurance. The system had not been recalibrated after a documented reagent lot change, correlating directly with the onset of the misidentification pattern, supporting a settlement covering re-testing and clinical review.

Here are a few of our favorite Microbiology Expert Witnesses:

Structural Biology Expert #41582

I have 23 years of experience and specialize in the field of structural biology with specific knowledge in the areas of protein crystallography, molecular motors and protein-RNA complexes. I have published on such topics as protein structure and mechanism, DNA-translocating molecular motor and protein-RNA transcription complexes. I have testified 40 times on topics such as structural biology, molecular biology and microbiology.

 

California Microbiology Expert #7641

I have 35 years of experience, and specialize in the field of microbiology with specific knowledge in the areas of food quality and safety, environmental forensics and indoor air quality. I have published on such topics as food borne pathogen detection, environmental microbial forensics and diagnostic microbiology. I have testified on DNA fingerprinting and indoor air quality. Over the 40+ years as a microbiologist I have had a broad training and experience in clinical, public health and environmental microbiology. I was a pioneer in the area of ancient DNA and its usefulness in scientific applications as well as environmental microbial…

 

Maryland Biotech, Microbiology Expert #9284

I have 40 years of experience, and specialize in the field of pharmaceuticals with specific knowledge in the areas of sterilization, microbial analysis and pharmaceutical waters. I have published on such topics as harmonization of standard and requirements with the pharmacopeias of Europe, Japan, and US, management of laboratories and biotech issues.

 

Microbial Biotechnology Expert #10503

I have 30 years of experience, and specialize in the field of microbial biotechnology with specific knowledge in the areas of environmental biotechnology, biosurfactant application and oil storage tank cleaning. I have published on such topics as bioremediation, pollution control, biodegradation, oil storage tank cleaning, enhanced oil recovery and fermentation and large scale bioreactor operation. I have over 200 publication in various areas of industrial microbiology and biotechnology applications.

 

Michigan Chemistry and Microbiology Expert #13947

I have 25 years of experience and specialize in the field of chemistry, microbiology and molecular biology with specific knowledge in the areas of medicinal chemistry, DNA based technologies, immunochemistry and fermentation technology, DNA diagnostics and antibodies based diagnostics. I have published on such topics as immunochemistry, DNA technology, medicinal chemistry and enzymology. I have testified 8 times on topics such as DNA-based microbial forensics, DNA-based diagnostic technology and patent matters involving medicinal agents.

 

Your Case Deserves The Best Microbiology Expert Witnesses

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The right expert witnesses and consulting experts can make your case. That’s why we have spent so many hours over the past quarter century making sure our clients have just the right expert team — whether one expert or many, early-stage advice or expert reports and testimony. Across over 50,000 expert search assignments, we have honed a unique, customized approach to identifying, analyzing and connecting with expert talent so you can focus on winning your case.

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Microbiology, Mycology Expert #14624

I have 33 years of experience, and specialize in the field of microbial ecology with specific knowledge in the areas of stream ecology, biodiversity and ecological functions. I have published on such topics as molecular and traditional taxonomy, microbial ecology and stream ecology. I have won the top research award at our university 4 times. I’m member of three editorial boards of scientific journals.

 

Colorado Enzymology, Microbiology Expert #16219

I have 28 years of experience and specialize in the field of enzyme evolution, with specific knowledge of mechanistic enzymology, directed evolution and microbial physiology. I have published on such topics as enzyme mechanisms, enzyme evolution and genome shuffling to improve the biodegradation of a toxic pesticide.

 

Microbiology, Animal Health Expert #16546

I have 30 years of experience in the field of microbiology with specific knowledge of antimicrobial development, veterinary medicine, and public health. I have published on such topics as antimicrobial resistance, antimicrobial efficacy and public health. I have testified 10 times on topics such as public health, antibiotic resistance and general microbiology issues.

 

California Recombinant DNA Expert #17089

I have 11 years of experience in the field of biology, with specific knowledge of recombinant DNA, protein production and applied microbiology. I have published on such topics as protein expression, transcriptional regulation of gene expression, and translational regulation. I teach undergraduate students and maintain an active research lab.

 

Colorado Microbiology, Immunology Expert #18677

I have 18 years of experience, and specialize in the field of microbiology, immunology, infectious diseases with specific knowledge in the areas of mycbactereiology, HIV and infectious pathogens. I have published on such topics as mycobacterium tuberculosis, animal models of infection and human infection.

 

Vermont Microbiology, Diagnosis Expert #20034

I have 35 years of experience and specialize in the field of clinical microbiology, with specific knowledge of Legionnaire’s Disease, laboratory management and molecular microbiology. I have published on such topics as legionella infections, infectous disease pathology and clinical microbiology.

 

Health Safety, Microbiology Expert #22174

I have 2 years of experience and specialize in the field of social development works, with specific knowledge of PVA, PLA and information technology.

 

Nevada Microbiology Expert #22252

I have 20 years of experience and specialize in the field of microbiology with specific knowledge of mold and fungi, bacteria and indoor environmental quality. I have published on such topics as fungal biology and taxonomy, exposure to airborne mold spores and medical mycology. I have testified 10 times on topics such as mold contamination in buildings, mycotoxins and Legionella.

 

Connecticut Microbiology, Tuberculosis Expert #22755

I have 20 years of experience, and specialize in the field of diagnostic medical laboratory with specific knowledge in the areas of microbiology, molecular diagnostics and point-of-care-testing. I have published on such topics as point of care testing, human immunodeficiency virus, diagnostics and diagnostic microbiology.

 

New York Microbiology, Infection, Disease Expert #25041

I have 10 years of experience and specialize in the field of microbiology and cell biology, with specific knowledge of host-pathogen interactions, virulence factors and DNA transfer. I have published on such topics as plant diseases, protein trafficking and cell polarity.

 

Tennessee Environmental Biotechnology Expert #23741

I have 25 years of experience, and specialize in the field of environmental remediation with specific knowledge in the areas of microbiology, chemistry and remediation technologies. I have published on such topics as environmental forensics, biodegradation and the use of stable isotopes in environmental applications. I have testified on environmental microbiology, soil chemistry and septic systems. I was the senior private sector scientist working as a contractor for the US Postal Service during a bioterrorism event. I implemented the technology to assess the extent of anthrax spore contamination in the Washington DC (Brentwood) and Trenton NJ post offices. I prepared…

 

North Carolina Microbiology, Virology Expert #25602

I have 13 years of experience, and specialize in the field of HIV/AIDS with specific knowledge in the areas of virology, immunology and microbiology. I have published on such topics as HIV/AIDS, HIV pathogenesis, HIV DNA vaccines and animal len ti-viruses.

 

Alabama Poultry, Litter, Microbiology Expert #26389

I have 20 years of experience and specialize in the field of poultry science, with specific knowledge of microbiology, litter management and broiler management. I have published on such topics as litter management, diseases and microbiology.

 

Pennsylvania Microbiology, Genetics Expert #26584

I have 25 years of experience and specialize in the field of molecular microbial ecology, with specific knowledge of molecular biology, microbiology and genetics. I have published on such topics as microbial diversity in coalmine fire-impacted soils, microbiology of fire-impacted soils and gene mapping in cattle.

 

New York Microbiology Expert #27252

I have 30 years of experience and specialize in the field of microbiology and infectious disease, with specific knowledge of streptococci (STSS), staphylococci (TSS) and MRSA. I have published on such topics as controlling infections by gram-positive bacteria, vaccine development and novel methods to control infections. I have testified on toxic shock syndrome (TSS), hospital misdiagnosis of infection and infection control.

 

West Virginia Microbiology, Diabetes Expert #27967

I have 30 years of experience, and specialize in the field of microbiology with specific knowledge in the areas of HIV/AIDS and actinomycetes. I have published on such topics as internet and distance education and methods for instruction.

 

New Mexico Microbiology, Fuel, Production Expert #28080

I have 20 years of experience and specialize in the field of environmental microbiology, with specific knowledge of pathogen detection and transport, biofuel production and bioremediation. I have published on such topics as development of new methods of pathogen detection, uranium bioremediation, and biofuels such as hydrogen gas. I have testified on pathogen fate and transport public health impacts.

 

Pennsylvania Medicine, Microbiology, Health Expert #28361

I have 27 years of experience and specialize in the field of clinical microbiology, with specific knowledge of campylobacter, gastrointestinal infections and Guillain-Barre syndrome. I have published on such topics as campylobacter, Guillain-Barre syndrome and diagnostic microbiology.

 

Virginia Microbiology Expert #29046

I have 10 years of experience in the field of biology, with specific knowledge of microbiology, genetics and genome biology. I have published on such topics as red tides, introduced species and biogeography.

 

Vermont Biorefinery, Microbiology Expert #30975

I have 10 years of experience, and specialize in the field of microbiology and biofuels with specific knowledge in the areas of business development, strain development and genetics. I have published on such topics as anaerobic physiology, novel biocatalysts and (hyper) thermophiles.

 

North Carolina Bacteria, Microbiology Expert #32999

I have 23 years of experience and specialize in the field of microbiology, with specific knowledge of pathogenic bacteria, pseudomonas and molecular biology. I have published on such topics as pseudomonas aeruginosa, campylobacter jejuni and helicobacter pylori.

 

Indiana Microbiology, Biotechnology Expert #33337

I have 14 years of experience and specialize in the field of immunology, with specific knowledge of microbiology, DNA technology and protein analysis. I have published on such topics as cancer biology, NK cell killing and bioethics.

 

Texas Molecular Biology Expert #36740

I have 30 years of experience, and specialize in the field of molecular biology with specific knowledge in the areas of microbiology, genetic engineering and recombinant DNA. I have published on such topics as gene cloning, bioremediation and DNA technology.

 

New York Microbiology, Ecology, Biofilm Expert #40241

I have 20 years of experience, and specialize in the field of microbiology, with specific knowledge in the areas of bacteriology, bioremediation and environmental health. I have published on such topics as mercury contamination in soil and water, scholarship of teaching and learning and microbes in extreme environments. I have won two major teaching awards in my state.

 

Clinical Microbiology Expert #41484

I have 17 years of experience, and specialize in the field of clinical microbiology with specific knowledge in the areas of hospital-acquired infections, antimicrobial-resistant microorganisms and Legionella pneumophila colonized water supplies. I have published on such topics as pandemic flu, antimicrobial resistant microorganisms and fungal infections. I have contributed to a reduction in Legionella pneumophila infections in our hospital and in our community, mainly through the implementation of prompt diagnosis and surveillance of contamination sources.

 

Microbiology, Biology, Health Expert #41762

I have 35 years of experience, and specialize in the field of clinic diagnostics with specific knowledge in the area of microbiology.

 

Microbiology Expert #42077

I have 25 years of experience and specialize in the field of microbial technology, with specific knowledge of microbiology, separations and reactors. I have published on such topics as design and operation of membrane systems, design and operation of bio-processes, and design and operation of environmental processes.

 

South Dakota Microbiology, Mammals, Anatomy Expert #43852

I have 22 years of experience, and specialize in the field of biology education with specific knowledge in the areas of mammalogy, human anatomy and physiology. I have published on such topics as small mammal ecology, radiotelemetry and distribution of small mammals. I have pulblished and reviewed dozens of articles in the area of small mammal ecology in journals such as Journal of Mammalogy, Journal of Wildlife Management, Canadian Journal of Zoology, and the Prairie Naturalist.

 

Biogeochemistry, Microbiology Expert #44195

I have 50 years of experience, and specialize in the field of arsenic with specific knowledge in the areas of science, history. I have published on such topics as arsenic speciation, arsenic biochemistry and arsenic bioavailability. I have testified on arsenic in chickens, analytical reliability and water pollution from mining activity.

 

Ohio Microbiology, Toxicology Expert #44503

I have 25 years of experience, and specialize in the field of biological sciences with specific knowledge in the areas of consumer products, research and development and safety. I have published on such topics as sunscreens and in vitro toxicology. I have testified 20 times on topics such as products liability and intellectual property. After 25 years working as a corporate research and development executive, I was given the gift of starting a consulting business. The gift is helping people and corporations grow with my interaction. I will always remember the quote from Zig Ziglar “help enough people get what…

 

Texas Microbiology, Image Analysis Expert #46308

I have 25 years of experience, and specialize in the field of electron microscopy with specific knowledge in the areas of 2-D crystallization, image analysis and image processing. I have published on such topics as macromolecular architecture of photosynthesis, electron microscopy in microbiolgy and structure-function relationships of human pathogenic viruses.

 

Put Our Microbiology Expert Network to Work for You

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Our huge network of experts – eminent university professors and practitioners who have achieved renown as thought leaders in their fields – combined with unparalleled research capabilities puts the experts you need at your disposal when and where you need them.

If you’re a litigator or general counsel, we want to put this network to work for you and your clients. Let us know how we can help by calling us at (202) 908-4500 or filling out the form on this page. We’re so confident you’ll love what we do that unless you retain an expert we present there’s no charge!

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Questions Attorneys Ask About Microbiology Expert Witnesses:

A microbiology expert becomes valuable when a case involves food safety compliance and quality assurance disputes, environmental or property contamination matters, or biotechnology patent claims over antimicrobial agents or diagnostic assays. These experts are also useful in regulatory disputes following a recall or inspection finding. Engaging an expert early helps counsel frame discovery around the specific testing and quality control record at issue.
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Microbiology Workshops

A few of the courses and workshops led by our Microbiology experts:

  • Applications of Fluorescence to Biological Studies

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Ecology
Food Safety
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Immunology
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Pathology
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RNA
Recombinant DNA
Science
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