John Williams

John Williams: Email & Phone Number

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Quality Assurance & Technical Director at RCB International Ltd|Portland, Oregon Metropolitan Area, United States

Position:

Quality Assurance & Technical Director at RCB International Ltd

Location:

Portland, Oregon Metropolitan Area, United States

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Last updated: 2026-04-15
Updated: 2026-04-15

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Work Experience 16 years

Quality Assurance & Technical Director at RCB International Ltd

Jan 2025 - Current

Essential Oil Chemist at RCB International Ltd

May 2020 - Jan 2025

Director of Chemical Analysis at Analytical 360

Dec 2016 - Jun 2020

Chemist 2 at Washington State Department of Agriculture

Sep 2016 - Dec 2019

Graduate Research And Teaching Assistant at Western Washington University

Jan 2014 - Jan 2016

Speech and Debate Assistant Coach at Clark College

Feb 2011 - Aug 2011

Port of Vancouver Grain Lab Technician at National Quality Inspections

Jan 2010 - Jan 2011

John Williams started working in 2010, then the employee has changed 5 companies and 6 jobs. On average, John Williams works for one company for 2 years 4 months.

Education

Bachelor of Applied Science - BASc at Western Washington University

Master of Science - MS at Western Washington University

John Williams Namesakes

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Company
Position
John Williams
los angels fire dept
Fire Inspector
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John Williams
CDL Truck Driver
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john williams
besels homeimprovement co.
carpenter
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Other employees at RCB International Ltd

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Company
Position
Robyn Biza
Regulatory Affairs Manager
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Michael Hartenstein
Manager of grower services
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