John St John
About John St John
John St John is a Senior Quality Engineer with extensive experience in quality management and engineering across various manufacturing sectors. He holds a Bachelor of Science in Information Technology from DeVry University and a Master of Science in Business Administration from Southern Illinois University.
Work at Plexus
John St John has been employed at Plexus Corp. as a Senior Quality Engineer since 2019. In this role, he serves as the primary customer contact for quality-related issues. He leads the development of Corrective and Preventive Action (CAPA) in response to customer requests. His responsibilities include leading continuous improvement efforts to enhance outgoing yield and customer parts per million (PPM), with a focus on reducing the cost of quality and achieving customer excellence.
Education and Expertise
John St John holds a Bachelor of Science (BS) in Information Technology from DeVry University in Addison, Illinois. He also earned a Master of Science (MS) in Business Administration and a Bachelor of Science (B.S.) in Industrial Technology from Southern Illinois University, Carbondale. His expertise includes advanced quality planning, robust engineering methodologies, and mission deployment techniques such as EOS, SWOT analysis, and key performance indicators (KPIs).
Background
Prior to his current position at Plexus Corp., John St John held several roles in quality engineering and management. He worked as a Manufacturing Quality Engineer at Power Solutions International from 2016 to 2019. He also served as a Quality Manager at Methode Electronics from 2007 to 2010 and at Interplex Industries, Inc. from 2013 to 2016. His experience includes contract work in quality engineering at Northstar Aerospace and corporate quality management at InserTech LLC.
Achievements
John St John has authored and led the certification process for multiple quality standards, including seven ISO9001, three AS9100, two TS16949, and one ISO14001 certifications, along with NADCAP and UL certifications. He has trained three quality staff members from basic skills to multiple ASQ certifications, such as CQI, CQA, CQE, and CSSBB. His extensive experience spans various manufacturing processes, including machining, castings, and electronics.