Indoor Air Quality Expert Witnesses: 6

I bring diverse, combined education, licensing, and credentialing in geology, biology, and hazardous materials management. Indoor air quality as related to asbestos, mold, lead, building hazards, vapor intrusion, OSHA worker and occupant complaints.

I manage a firm of environmental and industrial hygiene professionals while serving as an expert in my diverse field; I have over 85 retained cases complete. I can cost effectively support engagements that may require extensive data gathering across an expanded time frame. I apply my capabilities and credentials across commercial, industrial, and oil & gas settings, with a technical focus on highly regulated industry and real estate.

I have been steadily retained for expert witness services since 1995.

I specialize in structural fire forensic investigation and testing, routinely leverage post-flood emergency response expertise in buildings, specific to microbial disinfection, mold mitigation, and source mold under forensic methods of investigation that may exist under alleged building construction defects. I possess expertise in building systems and mitigating hazards from structures in advance of demolition for asbestos, lead, and other regulated materials.  I prepare, implement (and/or critically review) asbestos specifications, mold remediation protocols, OSHA-driven lead specifications, and remediation soil management plans.

I have evaluated diverse workplaces following loss reports due to alleged safety and public health concerns and offered mitigation strategies for worker safety under OSHA complaints, especially regarding respiratory protection. I have served as an expert for multiple worker injury and wrongful death allegations within the context of environmental exposure.  

View Ms. Franks' Consulting Profile.

Professor Christopher J. Tennant, PhD, CIH, has over 40 years of experience in the field of Environmental Health and Industrial Hygiene. He is Board Certified in the Comprehensive Practice of Industrial Hygiene. Dr. Tennant is currently President, CEO, and Principal Consultant at San Joaquin Environmental, in Fresno California, where he consults with Federal, State, County, City, various public agencies, and private industry sectors from public housing to Aerospace. His services are available in all 50 US States and the United Kingdom.

Dr. Tennant also serves as Professor Emeritus for the Department of Public Health at Fresno State University where he's taught Environment Health, Industrial Hygiene, and Occupational Health and Safety for 35 years at both undergraduate and post graduate levels.

Litigation Support - Dr. Tennant has been retained by numerous insurances companies and law firms on various Industrial Hygiene matters throughout the US, including workers compensation, property damage, personal injury, and wrongful death. He has testified as an expert witness in Federal Court, Superior Court, and Workers Compensation Appeals Board over 100 times. He's been deposed many more times. 

Areas of Expertise:

RedSpire, LLC delivers end-to-end Exposure Science and Occupational Epidemiology services to support data-driven decision making. RedSpire's expert analysis is fast, deep, and cost-effective and their technology amplifies their expertise. RedSpire's scientists turn strategy into actionable outcomes.

Litigation Support - Ideal clients are attorneys or firms involved in toxic tort litigation, particularly those with occupational exposures, who are interested in a technology-forward approach to streamline the expert witness work. RedSpire is interested in clients who want to transform how the industry integrates science into legal cases, through more systemic applications of technology that can bring the science of a case to the forefront in ways that reduce the reliance on expensive and time-consuming expert witness work.

Dr. Kristen Good is an Epidemiologist and Public Health Professional with over 15 years of scientific background and experience in risk assessment, toxicology, exposure assessment, and environmental sciences, across academia/research, private industry, and government sectors. She is passionate about identifying data-driven, scientifically-supported solutions to complex problems - and communicating those solutions to stakeholders and the public. She has a Ph.D. in Environmental Health with an epidemiology concentration from Colorado State University, a Master's degree in Environmental Management, toxicology focus, from Duke University, and a B.S. in Biology from Boston College.

Dr. Good has served as the leading technical authority in occupational health and indoor air quality at the Colorado Department of Public Health and Environment (CDPHE) since 2020. She manages the state’s indoor air quality improvement programs and occupational health surveillance and response initiatives. She regularly advises partners, workplace managers, and the general public on health and safety regulations and best practices, PPE and administrative controls to reduce exposures/safety risks, employer liabilities related to occupational health and safety, and post-incident response related to a variety of occupational health and safety concerns and scenarios.

From 2020-2022, Dr. Good led the Industry Response Team of the state’s COVID-19 pandemic response. She was responsible for advising on workplace outbreak prevention, investigation, and response for hundreds of workplace outbreaks, and employer responsibility across a wide variety of industry sectors. She also worked with the Governor’s Office and other state agencies on COVID-19 guidance and policy development.

Areas of Expertise:

Dr. Nicholas Good, Co-Founder and Exposure Science Lead, is an Aerosol Scientist with over 20 years of experience in Scientific Instrument Development, Evaluation, and Deployment. He has worked across academia, research, and private industry in atmospheric chemistry, cloud physics, indoor air quality, and environmental health. Dr. Good focuses on bridging emerging technology—both hardware and software—from the research laboratory into solutions for practical real-world problems. He holds a Ph.D. in Atmospheric Science from Manchester University and a B.S in Physics from The University of Manchester.

Dr. Good provides consulting services supporting clients' needs in occupational health and safety, exposure assessment, and environmental health issues—with particular focus on asbestos and benzene exposure reconstructions. In addition to his role with RedSpire, Dr. Good owns Good Science LLC (2019-present), which provides specialized environmental consulting services primarily for legal clients, and co-founded CloudSci LLC (2023) a company commercializing airborne particle measurement technologies for research and related markets.

Since 2017, Dr. Good has served as Research Scientist at Colorado State University (first in the Department of Environmental & Radiological Health Sciences, and now in the Department of Civil and Environmental Engineering), leading research on air quality and human health with emphasis on indoor air quality, building performance, bioaerosols, and novel health effects of air pollution.

Areas of Expertise:

Dr. Gavin McMeeking, Chief Executive Officer & Co-Founder, is an Aerosol Scientist with over 20 years of experience in Scientific Instrument Development, Evaluation, and Deployment. He has worked across academia, research, and private industry in atmospheric chemistry, cloud physics, indoor air quality, and environmental health. Dr. McMeeking focuses on bridging emerging technology—both hardware and software—from the research laboratory into solutions to practical real-world problems. He holds a Ph.D. and M.S. in Atmospheric Science from Colorado State University and a B.A. in Earth and Planetary Science from UC Berkeley.

Dr. McMeeking leads the company's strategic direction and client services. He co-founded CloudSci LLC (2023), which commercializes airborne particle measurement technologies for research and related markets. Previously, he held leadership roles at Handix Scientific LLC, first as a Senior/Principal Scientist (2015-1010) and then as VP of Research & Development (2020-2022), and worked as a Scientist/Sales Specialist at Droplet Measurement Technologies (2012-2015). He has advised governmental organizations including the Department of Energy, National Science Foundation, and NASA on topics ranging from instrument development, atmospheric measurement techniques, black carbon aerosol impacts, wildfire emission characterization, and technology translation.

Areas of Expertise:

View RedSpire, LLC's Consulting Profile.

Pascal Jean-Baptiste is a Certified Mold Inspector with over six years of experience. He performs approximately 1000 annual mold inspections for residential and commercial clients, including homeowners, property managers, real estate agents, restoration and remediation companies, renters, schools, and local governments.

Mr. Jean-Baptiste holds IICRC certifications for WRT, ASD, and AMRT, InterNACHI Certified Mold Inspector, and Florida Mold Assessor & Remediator certifications. He has written over 300 blog articles on the subject of mold.

Litigation Support - Mr. Jean-Baptiste provides expert witness services to attorneys representing plaintiff and defense. His services include inspections, thorough reporting, depositions, and trial testimony as needed.

Areas of Expertise:

NO COST CASE FILE REVIEW! 

Dr. Eric N. Brown, CIH, CSP, is a Certified Industrial Hygienist (CIH) and a Certified Safety Professional (CSP), with both certifications in good standing with the issuing boards. Dr. Brown holds a Doctorate in Public Health with an Industrial Hygiene specialization from the University of California at Los Angeles, and a Master’s degree in Public Health with an Occupational Health specialization from the Medical College of Ohio. He has over 25 years of experience in:

• Mold
• Thermal Comfort and Heat Stress
• Health and Safety
• Industrial Hygiene
• Indoor Air Quality Exposure 

Litigation Support - Dr. Brown has been a designated expert in thousands of cases, been and has testified in both trials and arbitrations. His expertise has never been successfully challenged. His services are available to attorneys representing both plaintiff and defendant. 

Areas of Expertise:

Retained expert witness with 33+ years in building science associated with Water Damage, Mold Testing, and Indoor Air Quality. Approved expert witness.

SERVICES OFFERED

• Forensic indoor air quality investigation and expert report writing
• Customized remediation and clearance protocol development
• Hazardous material, moisture, and mold assessment
• Deposition and trial testimony
• Billing and document validation for breach of contract and remediation disputes