Promotional graphic for the 2025 EPAZ Conference, March 3-4 in Tempe, Arizona, featuring headshots of three professionals with a cityscape background at sunset. Text highlights Geosyntec’s Technical Contributions.
Published On: February 26th, 2025

Geosyntec Practitioners to Present at 2025 Annual EPAZ Conference

Matthew Bigler, Matt Williams, and Tingting Jiang will present at the Environmental Professionals of Arizona (EPAZ) Conference on March 3 and 4, 2025, in Tempe, Arizona.

Matthew Bigler will present “Understanding PFAS Physical and Chemical Properties: Towards an Informed Remedial Approach” on March 3 at 9:45 a.m. MT. Matt Williams will present “Groundwater Control Using Low Viscosity In Situ Colloidal Silica Solutions” on March 3 at 1:35 p.m. Tingting Jiang will present “Climate Disclosure Compliance: Strategies for Businesses in a Changing Regulatory Environment” on March 4 at 11:00 a.m.

In addition, Geosyntec is sponsoring the annual networking reception on March 3 at 5:20 p.m. MT.

Matthew Bigler is a Senior Staff Professional Scientist who focuses on the fate and transport of per and polyfluoroalkyl substances (PFAS), as well as on interfacial chemistry, soil physics, and vadose-done processes.

Matt Williams is a Senior Professional Scientist focusing on using geology, hydrogeology, and engineering to deliver practical and innovative environmental remediation and water treatment solutions.

Tingting Jiang is a Senior Professional Consultant with more than 10 years of experience focused on air quality, greenhouse gas inventories, corporate social responsibility, and carbon reduction strategies.

The annual EPAZ Conference offers technical and regulatory updates regarding air, soil, water, and waste and allows Arizona’s environmental professionals to share industry-specific information.

EPAZ promotes leadership in environmental management through collaboration, education, and community outreach to cultivate a diverse, connected, and engaged membership of environmental professionals. Membership comprises state, industry, and business leaders, including regulators, academics, environmental consultants, and engineers.

Geosyntec Participation

Understanding PFAS Physical and Chemical Properties: Towards an Informed Remedial Approach
Speaker: Matthew Bigler
Date/Time: Monday, March 3 at 9:45 a.m. MT

Groundwater Control Using Low Viscosity In Situ Colloidal Silica Solutions
Speaker: Matt Williams
Date/Time: Monday, March 3 at 1:35 p.m. MT

Climate Disclosure Compliance: Strategies for Businesses in a Changing Regulatory Environment
Speaker: Tingting Jiang
Date/Time: Tuesday, March 4 at 11:00 a.m. MT

More Information

Learn more about the conference.
Learn more about EPAZ.
Learn more about Matthew: Matthew Bigler | LinkedIn
Learn more about Matt: Matt Williams | LinkedIn
Learn more about Tingting: Tingting Jiang | LinkedIn