top of page
Timothy Negley
Managing Director
Data Analytics & Visualization Services Lead
  • Chemical fate and transport assessment

  • Statistical analysis and data visualization

  • GIS and advanced spatial modeling

  • Relational database management / engineering (MS Access / SQL Server)

  • Computer programming (R and VBA)

  • Web applications and website development

  • Microsoft Power Platform (SharePoint / Power BI / Power Automate / Power Apps)

Tim Negley provides data-driven solutions to governmental and private sector clients. As Practice Area Leader for Data Analytics & Visualization, Mr. Negley is responsible for advising clients on data strategies and solutions that help them make better decisions. He provides leadership and technical expertise to multi-disciplinary teams charged with assessing, identifying and elucidating trends in the data. Areas of expertise include pollution source identification, data monitoring systems, and data analytics. Applications of data analytics and visualization include environmental forensics, predictive analytics, product stewardship, and evidentiary applications for various types of litigation. He has led projects across the United States, Canada, and Europe and has multiple publications in the peer-reviewed literature.

Years of Experience:
Education & Certifications
  • Master of Science, Marine, Estuarine, and Environmental Science, University of Maryland

  • Bachelor of Science, Natural Resources, Cornell University

News and Events


Nick Rose, Tim Negley, and Dr. Michael Bock Published Article in Environmental Forensics


TIG Environmental at the 2023 Battelle Sediments Conference


TIG Environmental at Battelle Chlorinated and Recalcitrant Compounds Conference


Speaking Data - How all Stakeholders can Access and Use Data


PFAS Fingerprinting: A Multivariate Forensic Analysis, PFAS Contamination in Italy


Evaluation of Polytopic Vector Analysis (PVA) Performance for Forensic Source Identification at Multi-Source Site.

bottom of page