Contamination Expert Witnesses

Oro Valley, Arizona

Entomology, Environmental - Entomologist insect, contamination, Pesticide, Termiticide, Bed bug, Rats, Rodent vermin, Mice, Hantavirus, Pest Control/Fumigation, Habitability, damage, bite or sting, infestation, Cockroaches, Spider, Mites, Birds, Scorpion bee wasp, IPM

BCE Services, LLC... "Entomologist Will travel" I am a Board Certified Entomologist with expertise in Applied Forensic Urban Entomology and Pest Control practices, and hold several Pest Control Licenses in CA and AZ. I held the Qualifying licenses for 2 southern California and several Arizona pest control companies and currently, an Arizona School District. I have previously held licenses in CT, NY and NJ, and additionally managed pest control branches in NM, TX, NV, and Sonora Mexico. I am not geographically bound. A graduate of the University of Connecticut where I focused on medical entomology and parasitology, I have served as Technical Director, Manager, VP and Owner of Pest Control companies across the country since 1983, and I am currently the Technical Director of a pest control company in Arizona. I have been a consultant since 2000 and served as the AZ Governor's appointed Entomologist Advisor to the AZ Office of Pest Management, and am on the BCE Continuing Education C...

Newport Beach, California

Geology, Environmental - Hydrogeology, Wells, Geologic Modeling, PFAs, Drilling, Groundwater and Soil, Recharge, Volatile Organic Compounds - VOC, Bedrock and Karst, CERCLA, Aquifers & Characterization, Aquifer Storage and Recovery - ASR, Chlorinated Solvents, Water Suppy, RCRA, Contamination, Managed Aquifer Recharge - MAR, Well Performance, Water Resources

Eros A. Bilyeu, PG, CHG, CGWP, QSD/QSP is a California-licensed Professional Geologist and Certified Hydrogeologist specializing in groundwater supply, recharge, and contamination investigations. He is the Principal Hydrogeologist of Hydro-Geologic Solutions, Inc., a certified small business headquartered in Newport Beach, California. Mr. Bilyeu provides expert analysis, consulting, and testimony for litigation, permitting, and regulatory matters involving complex subsurface and water-supply issues. Eros has been retained as an an expert witness five times, deposed once, and requested to testify twice in the last four years. Following expert opinion reports/presentations or deposition, cases have ended in settlement and satisfied clients as a result. Mr. Bilyeu has more 18 years of hydrogeologic experience supporting cities, water districts, and engineering firms throughout California and the western U.S. His expertise spans: Well design, construction, and performance testing (...

California

Entomology, Environmental - Entomologist insect, contamination, Pesticide, Termiticide, Bed bug, Rats, Rodent vermin, Mice, Hantavirus, Pest Control/Fumigation, Habitability, damage, bite or sting, infestation, Cockroaches, Spider, Mites, Birds, Scorpion bee wasp, IPM

BCE Services, LLC... "Entomologist Will travel" I am a Board Certified Entomologist with expertise in Applied Forensic Urban Entomology and Pest Control practices, and hold several Pest Control Licenses in CA and AZ. I held the Qualifying licenses for 2 southern California and several Arizona pest control companies and currently, an Arizona School District. I have previously held licenses in CT, NY and NJ, and additionally managed pest control branches in NM, TX, NV, and Sonora Mexico. I am not geographically bound. A graduate of the University of Connecticut where I focused on medical entomology and parasitology, I have served as Technical Director, Manager, VP and Owner of Pest Control companies across the country since 1983, and I am currently the Technical Director of a pest control company in Arizona. I have been a consultant since 2000 and served as the AZ Governor's appointed Entomologist Advisor to the AZ Office of Pest Management, and am on the BCE Continuing Education C...

Lewes, Delaware

DNA, Forensic Science - NGS, Forensic lab accreditation, DVI, Quality assurance, Whole genome sequencing, SNP, Degraded DNA, Kinship, Y chromosomal DNA, FIGG, mtDNA, Unidentified human remains, Population genetics, Analysis interpretation and review, Genetic genealogy, STR, Contamination, Validation, Sequencing, Ancestry

Forensic DNA Expert | Former Deputy Director, Armed Forces DNA Lab | NGS • Whole Genome Sequencing • SNPs • mtDNA • ISO 17025 • FBI Quality Assurance Standards Summary: Charla Marshall, Ph.D., is an award-winning forensic geneticist with over 15 years of experience in human identification. Formerly, as Deputy Director of DNA Operations and Chief of Emerging Technologies at the Armed Forces DNA Identification Laboratory (AFDIL), she led the validation and implementation of next-generation sequencing (NGS), single nucleotide polymorphism (SNP) kinship inference, and mitochondrial DNA (mtDNA) methods for some of the most challenging forensic cases in history including the identification of Korean War and WWII unknowns. She has authored more than 30 peer-reviewed publications and is an editorial board member of two premier journals in forensic genetics. Dr. Marshall is the Founder and Principal Consultant of DNAID Services, where she supports international forensic laboratories and t...

East Lansing, Michigan

Civil Engineering, Environmental Engineering - Groundwater, Wastewater, Remediation, Bioremediation, Modeling, Stormwater, Hydrogeology, Hydrology, Geotechnical, Microbiology, Contamination, Geochemistry, Construction, Demolition, Home Inspection

Dr. TImothy Mayotte is President and CEO of Mayotte Design & Engineering, PC, a civil and environmental engineering design firm based in East Lansing, Michigan. Since 2003, MD&E has proved itself a highly responsive design, advocate and risk management partner for clients in the energy, automotive, commercial printing, textile, pharmaceutical, chemical, real estate, and legal industries. MD&E offers a variety of services, specializing in the design and engineering of treatment solutions for wastewater, groundwater, stormwater and contaminated soil, sediment and air. Dr. Mayotte has assisted clientele across globe, having completed projects in: Alabama; Arizona; California; Colorado; Connecticut; Illinois; Indiana; Iowa; Kansas, Massachusetts; Michigan; Missouri, Mississippi; Nevada; New Jersey; New York; Ohio; Oregon; Tennessee; Texas; Vermont; Virginia; West Virginia; Washington, Wisconsin; Wyoming; British Columbia; Ontario; Quebec; Brazil; China; Czech Republic; Italy; and Mex...

Nevada

Entomology, Environmental - Entomologist insect, contamination, Pesticide, Termiticide, Bed bug, Rats, Rodent vermin, Mice, Hantavirus, Pest Control/Fumigation, Habitability, damage, bite or sting, infestation, Cockroaches, Spider, Mites, Birds, Scorpion bee wasp, IPM

BCE Services, LLC... "Entomologist Will travel" I am a Board Certified Entomologist with expertise in Applied Forensic Urban Entomology and Pest Control practices, and hold several Pest Control Licenses in CA and AZ. I held the Qualifying licenses for 2 southern California and several Arizona pest control companies and currently, an Arizona School District. I have previously held licenses in CT, NY and NJ, and additionally managed pest control branches in NM, TX, NV, and Sonora Mexico. I am not geographically bound. A graduate of the University of Connecticut where I focused on medical entomology and parasitology, I have served as Technical Director, Manager, VP and Owner of Pest Control companies across the country since 1983, and I am currently the Technical Director of a pest control company in Arizona. I have been a consultant since 2000 and served as the AZ Governor's appointed Entomologist Advisor to the AZ Office of Pest Management, and am on the BCE Continuing Education C...

Lancaster, Pennsylvania

Environmental, Hydrology - sinkhole, groundwater, landslide, drilling, hydrogeology, rockfall, karst, vibration, blast, earthquake, contamination, pipeline, fracking, water, erosion, construction, stormwater, physics, leak, cave

Dr. Bechtel is geophysicist/geologist, and a world-renowned expert on sinkholes. But not just sinkholes; bedrock conditions, caves, water pollution, and all issues related to karst terranes. Dr. Bechtel has 25+ years of experience in the engineering/environmental industry, as well as faculty positions at Franklin & Marshall College, the University of Memphis and the University of Pennsylvania, and is an appointed member of the International Karst Commission. Dr. Bechtel has been an expert in dozens of sinkole or karst-related cases - often related to causes of sinkholes and/or water problems. Dr. Bechtel also has expertise and courtroom experience in Unconventional Oil & Gas, hydraulic fracturing (fracking), and fracking-industry-related earthquakes, horizontal directional drilling (HDD), as well as all fields of seismology, seismic hazards, vibration monitoring and analysis, subsidence, soil creep, landslides, rockfalls, non-destructive evaluation of earthen dams and levees, subsu...

Lufkin, Texas

Appraisal & Valuation, Real Estate Appraiser - Agriculture Land Valuation, Ranch Valuation, Farm Valuation, Timberland / Natural Resources, Damages (fire flood etc.), Conservation Easements, Environmentally Sensitive, Wetlands, Contamination, Endangered Species, Clean Water, Value Dispute, Litigation Support, Taxes / IRS, Federal or State Land Acquisition (Yellow Book)

Real estate appraiser and consultant providing litigation support, subject matter expertise, and valuation dispute services. Routinely engaged in agricultural real estate, production agriculture, timberland, conservation easements, wetlands, ranches, farms, rural valuation concerns, and federal or state land acquisition (Yellow Book) assignments. Offers specialized experience in diminution in value analyses related to damages from fire, flood, and other environmental impacts. Regularly involved in complex rural valuation matters within a litigation context. Servicing Texas, Arkansas, Louisiana, and Oklahoma.

Shelburne, Vermont

Chemistry & Chemicals, Manufacturing - Cosmetics, Microbiological Testing, PFAS / Heavy Metals, Adulteration & Misbranded, Contamination, Contract manufacturing, OTC Drug, Product Liability, False Advertising, MoCRA Compliance, Formulation, Claims Substantiation, Cosmetic Labeling, Personal Care Product, Cosmetic Chemistry, Analytical Testing, Adverse Event, Defect, FDA, GMP

My name is Ethan Alden-Danforth and I am a senior executive in the cosmetic and OTC personal care industry with over 15 years of experience in R&D and manufacturing. I hold a PhD in Organic Chemistry from Johns Hopkins University and currently serve as Vice President of R&D for a cosmetic contract manufacturer, where I oversee formulation development, raw material sourcing, product safety and testing, regulatory compliance, and process engineering across cosmetic and OTC drug product lines. I provide expert witness services for plaintiff and defense counsel in state and federal litigation involving cosmetic and OTC personal care products. My litigation work encompasses product liability and class action matters, false advertising and labeling disputes, FDA and MoCRA compliance failures, PFAS and heavy metals contamination, microbial and chemical adulteration, GMP violations, contract manufacturing disputes, recalls, and adverse event investigations. I have experience reviewing tech...