Meet Our Trusted Team

Here at Interstate Pest Management, we pride ourselves on our reputation of exceeding our customers expectations. This wouldn't be possible without our team of technicians! We give our customers reliable, environmentally-friendly services at an honest price. Learn more about our expert team!

Brad Thorstenson

President and Chief Bottle Washer

Brad was born in The Dalles, Oregon before moving to Kelso, Washington when he was in the 2nd grade.

Brandon Thorstenson

Sales Manager

Brandon is part of the four generations of Thorstensons who have worked at Interstate Pest Management, and has been part of the team since 1997.

Dwayne Clement

Technical Support

Dwayne is from Kelso, Washington and joined the Interstate Pest team in 1978 as technical support for our pest management professionals.

Don Hockett

Pest Control Technician

Don was born and raised in Central California, and has been with Interstate Pest Management since 1998. As a pest control technician, he serves our residential, commercial, and industrial pest control customers.

Herlindo Pascual

Crawl Space Foreman

Herlindo originates from Vera Cruz, Mexico and joined the Interstate Pest team in 2005. His responsibilities are to clean out crawl spaces and install Cleanspace technology.

Zachary Thorstenson

Pest Control Technician

Zachary is Brad Thorstenson’s son and was born in Longview, WA. He has worked at Interstate Pest Management since 2007. Zachary is a Pest Control Technician and is WSDA certified.

Ryan Thorstenson

Pest Control Technician & Customer Service Representative

Ryan is Brad Thorstenson’s son and was born in Longview, WA. He has worked at Interstate Pest Management since 2010.

Thomas Jackson

Service Manager

TJ was born in Great Falls, Montana but raised in Longview, Washington.

Donavan Fuselier

Pest Control Technician

Donavan was raised and grew up in Petal, Mississippi and moved from there and started at Interstate Pest Management in February of 2017.

Tylor Hadley

Pest Control Technician

Tylor was born in Oregon City, and currently lives in West Linn. After attending and graduating college he decided he wanted to do something different, and got into pest control.


Tasha Price

Office Manager

Tasha was born in Portland, Oregon but moved to Kelso, Washington shortly after - where she was raised and grew up. 

Karrie Ortega

Customer Service Representative

Karrie was born and raised in Longview, Washington. She is married with 3 children and has one dog.

Seren Rosas

Customer Service Representative

Seren was born and raised in Longview, WA. Seren joined Interstate Pest Management in January 2017, and prior to that she came to us with years of customer service experience from working at a call center.