Atmospheric Chemistry Expert Witnesses

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 Certified Industrial Hygienist (CIH) 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.

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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 aerosol exposure sciences, 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.

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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, aerosol measurements, 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.

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