Our Team

William E. Halbert, LH.G, L.E.G.
billh@insightgeologic.com

Title
Owner, Principal Geologist

Areas of Expertise
Environmental Site Assessment
Groundwater Modeling
Hydrogeology
Public Testimony and Expert Witness

Interests
Skiing
Engineers Without Borders
Bossing Around Two Teenage Daughters

Hometown
Long Beach, California

Education
B.A. in Geology, University of Santa Barbara
M.S. in Geology, California State University of Los Angeles





Calvin McCaughan, PE
calvinm@insightgeologic.com

Title
Principal Geotechnical Engineer

Areas of Expertise
Ports and Harbors
Bridges and Roadways
Municipal Water and Wastewater
Seismic Engineering
Pile Design
Critical Areas Studies

Interests 
Fishing
Golf
Baseball
Toddler Whisperer

Hometown
Olympia, Washington

Education
B.S. in Civil Engineering, University of Wyoming





Kevin Vandehey
kevinv@insightgeologic.com

Title
Geologist

Areas of Expertise
Licensed Driller
UST Removal and Remediation
Infiltration Testing
Environmental Sampling
Soil Characterization
Groundwater Quality Assessment and Monitoring
Hydrogeology


Interests 
Boating
SCUBA Diving
Skiing
Camping

Hometown
Fossel, Oregon

Education
B.S. in Geology, University of Puget Sound





Renee Osorio
reneeo@insightgeologic.com

Title
Project Coordinator

Areas of Expertise
Environmental Site Assessment
CAD Drafting
ArcGIS
Graphic Design

Interests 
Hiking
Kayaking
Biking
Traveling

Hometown
Moreno Valley, California

Education
B.S. in Urban and Regional Planning, California State Polytechnic University of Pomona 





Sheelah McCaughan
smccaughan@live.com

Title
Marketing Manager

Areas of Expertise
Marketing
Media Relations
Publications
Web Site Design

Interests 
Bargain Hunter
Diet Coke Connoisseur
Mom of the Year

Hometown
Olympia, Washington

Education
B.A. in Communication, Washington State University