Pat Hoban

President & Senior Geologist

As a Senior Geologist for Weber, Hayes and Associates, Mr. Hoban has conducted hundreds of environmental assessments of properties located throughout California. Current responsibilities include the management and implementation of contaminant delineation studies; hydrologic assessments, remedial action and property transfer assessments. He has worked closely with local, State and Federal regulatory agency personnel while conducting agency-required investigations.

Craig Drizin

Senior Engineer

As a Senior Civil and Environmental Engineer for Weber, Hayes and Associates, Mr. Drizin designs and engineers water supply and wastewater treatment systems, and leads environmental cleanups.

Jered Chaney

Project Geologist

Mr. Chaney leads management and field work for conducting environmental investigations and remediation, including the supervision of UST closures, remedial excavations, soil and groundwater contaminant characterizations, soil vapor intrusion assessments, and management of groundwater monitoring programs.

Josh Hannaleck

Staff Engineer

As a Staff Civil and Environmental Engineer for Weber, Hayes & Associates, Mr. Hannaleck leads the field activities for the construction, operation and maintenance of environmental cleanup systems, small drinking water supply systems, with and without treatment, and small on-site wastewater treatment systems. He also assists in the design and engineering of drinking water supply systems, wastewater treatment systems, and environmental cleanups, including interfacing and communicating with all regulatory agencies from the local to state levels.

Sean Abbey

Field Technician

Mr. Abbey is a Qualified Industrial Storm Water Practitioner. As one of our primary field technicians, he is constantly at the source sampling water and vapor wells, providing us with the data we need to assess our job site operations. He also assists in the monitoring of all operational machinery, and equipment making sure everything is running without error.

Laura Garcia


Ms. Garcia manages all phases of corporate accounting including payroll, accounts payable, accounts receivable, business insurance, purchasing, ESOP administration, and financial planning. She also performs the responsibilities of Human Resources Benefits Administrator and Office Manager. Ms. Garcia has previously served roles at the City of Watsonville Community Development Department, County of Santa Cruz and as CFO of a local Concrete Construction Company.

Harrison Hucks

Staff Scientist/Technical Writer

As a Staff Scientist and Technical Report Writer, Mr. Hucks conducts environmental site assessments and provides support to Engineers and Geologists here at Weber, Hayes and Associates.

Elizabeth Fisher

Administrative Support

Elizabeth is our eyes and ears in the office. She supports with all in house office duties to keep us up and running.

Shaun Ersoy

IT Support Technician

Shaun is our information technology specialist. He supports our network infrastructure, providing us with up to date technology and services to better support our business processes and roles which in turn helps us better serve our customers and community.