Our Team

Aidan Ryan

Project Manager

Aidan is a Program Manager specializing in environmental risk assessment and the evaluation of air, soil, and water contaminants. He applies U.S. EPA and ATSDR frameworks to assess potential cancer and non-cancer health impacts and supports the development of clear, scientifically defensible technical reports. He holds a B.S. in Marine Biology from UCLA with a minor in Spanish.

Mahliya Purificacion

Project Manager

Mahliya is a Program Manager with experience in occupational exposure assessment, GIS, environmental data analysis, and scientific research. Her work at RoseyFields focuses on evaluating environmental and occupational exposures and translating complex datasets into clear, defensible technical analyses. She holds a B.S. in Environmental Science from UCLA.

Alex Martin

Project Manager

Alex is a Project Manager specializing in air quality modeling, environmental research, and human health risk assessment. His work combines technical analysis, environmental data evaluation, and air dispersion modeling to support environmental contamination and exposure investigations. He holds a B.S. in Environmental Science from UCLA.

Ahalya Sabaratnam

Project Manager

Ahalya is a Project Manager whose work includes asbestos exposure assessment, human health risk assessment, environmental research, and technical analysis. She supports the evaluation of historical and occupational exposure scenarios and the preparation of scientifically defensible environmental reports. She holds a B.S. in Environmental Science from UCLA.

Sierra Cheslick

Project Manager

Sierra is a Project Manager with experience in occupational exposure assessment, environmental health, and technical environmental analysis. Her work includes evaluating environmental and workplace exposure scenarios and supporting risk assessment and scientific reporting. She holds a B.S. in Environmental Science from UCLA with additional training in environmental engineering.

Madison Wichert

Environmental Analyst

Madison is an Environmental Analyst whose work includes environmental research, human health assessment, and air quality modeling. She brings a technical background in environmental engineering, water quality analysis, and quantitative environmental studies to the evaluation of environmental contamination and exposure. She holds a B.S. in Environmental Science from UCLA.

Amy Jordan

Environmental Analyst

Amy is an Environmental Analyst who supports exposure assessment, environmental data analysis, GIS, and technical research. Her work includes organizing and evaluating environmental datasets and contributing to clear, defensible exposure and risk assessment analyses. She holds a B.S. in Environmental Science from UCLA.

Megan McKenna

Project Manager

Megan is a Project Manager specializing in AERMOD air dispersion modeling, risk assessment mapping, environmental data analysis, and regulatory review. She manages technical projects involving the evaluation of emissions, modeled concentrations, exposure pathways, and environmental risk, with an emphasis on clear and defensible deliverables. She holds a B.S. in Environmental Science from UCLA.

Lauren Hutson

Junior Environmental Analyst

Lauren is a Junior Environmental Analyst who supports environmental health projects through scientific research, environmental data analysis, and technical project support. Her work contributes to evaluating and documenting environmental contamination and exposure issues. She has academic training in Environmental Science and Geography at UCLA.

Neel Bajaria

Junior Environmental Analyst

Neel is a Junior Environmental Analyst specializing in exposure assessment, asbestos-related investigations, environmental health risk assessment, and quantitative data analysis. His work supports the reconstruction and evaluation of occupational and environmental exposure scenarios. He holds a B.S. in Environmental Sciences from UC Berkeley with training in data science and sustainability.

Elisabeth Weimar

Junior Environmental Analyst

Elisabeth is a Junior Environmental Analyst whose work focuses on asbestos exposure assessment, environmental data evaluation, research, and technical report preparation. She supports the development of historical and occupational exposure analyses for environmental health matters. She holds a B.A. in Environmental Studies from the University of Michigan.

Charles Gravereaux

Junior Environmental Analyst

Charles is a Junior Environmental Analyst who supports personal injury, human exposure, and environmental health assessments. His work includes environmental research, data analysis, and evaluation of exposure-related information for technically complex matters. He holds a B.S. in Environmental Science from UCLA with a concentration in Environmental Health.

Gelary Cardenas

Junior Environmental Analyst

Gelary is a Junior Environmental Analyst who supports AERMOD air dispersion modeling, GIS analysis, environmental research, and data evaluation. Her work contributes to the assessment of emissions, environmental concentrations, and potential exposures in environmental contamination matters. She holds a B.S. in Environmental Science from UC Berkeley.

Joshua Romero

Junior Environmental Analyst

Joshua is a Junior Environmental Analyst with experience in human health risk assessment, cancer cluster investigations, environmental research, and technical analysis. His work supports the evaluation of environmental health and exposure issues using scientific literature and environmental data. He holds a B.A. in Environmental Studies from UC Santa Barbara.

Kara Malone

Junior Environmental Analyst

Kara is a Junior Environmental Analyst who supports GIS analysis, environmental research, data evaluation, and environmental health projects. Her work contributes to the investigation and documentation of environmental contamination and exposure issues. She has academic training in Environmental Science and Environmental Systems and Society at UCLA.

Ansley Riddell

Junior Environmental Analyst

Ansley is a Junior Environmental Analyst who supports GIS and spatial data analysis, environmental research, field data collection, and technical report preparation. She brings experience in coastal biodiversity research, environmental policy, community outreach, and translating complex environmental data into clear, practical findings. She holds a B.S. in Environmental Science from UCLA with minors in Earth and Environmental Science.

Beth Glickman

Human Resources / Billing

Beth provides administrative, human resources, bookkeeping, payroll, billing, and business-management support to RoseyFields through Sum Operations, LLC. She brings a business operations background focused on supporting efficient administrative and financial processes. Beth holds a B.S. in Business Administration from California State University, Los Angeles.