Pacific Northwest Regional Sales Manager and USA Semiconductor Sales Specialist

Paul Daniel Koh is the Pacific Northwest Regional Sales Manager and USA Semiconductor Specialist at Lighthouse Worldwide Solutions, a global leader in contamination monitoring and cleanroom solutions. With more than 14 years of hands-on experience in contamination control and cleanroom monitoring, Paul has become a trusted advisor for companies striving to boost their environmental quality, process efficiency, and production safety.

Paul’s journey with Lighthouse began as an intern in 2011. Since then, his roles have spanned Inside Sales, Regional Sales Manager for Northern California, and up to his current post. He specializes in helping top-tier companies across technology and manufacturing set up advanced monitoring systems for cleanrooms and controlled environments — improving compliance, ensuring safe products, and reducing costly process disruptions.

Based in White City, Oregon, Paul works with clients across several different high tech sectors such as Semiconductor, Electronics and Life Sciences, providing expertise from project planning to system integration and support. His customer-first mindset, knack for translating technical jargon into simple advice, and friendly, practical outlook make him the go-to for organizations facing the unique challenges of modern cleanroom environments.

Whether he’s troubleshooting in the field or mapping out a new monitoring strategy, Paul collaborates closely with engineering and production teams to build reliable, scalable solutions. Colleagues describe him as approachable, driven, and always ready to share a laugh — even when the stakes are high.