Dave Winters Email & Phone Number

Saint Paul, Mn, Us

Saint Paul, Mn, Us

St Paul, Mn, Us

Responsible for screening medical devices for compliance to EU MDR, RoHS 3, and EU REACH.

7 Sigma, Inc. – Minneapolis, MN 11/2005 – 06/2020Designer, manufacturer and supplier of high-performance polymer and metal components and assemblies for the printing, medical, aerospace, and industrial markets. Analytical Chemist – Lead Chemist• Performed material testing for high profile clients using analytical instrumentation.• In charge of testing, evaluating and approving product raw material according to Internal Specifications as well as ISO 14001 EMS. • Reviewed MSDS sheets to determine harmful effects of materials to be used, trained personnel on the use of PPEs. • Built and maintained Analytical/NPD Laboratory which included Chromatography, Spectroscopy, and Thermal Analysis methods to support product development efforts and to provide information for Quality Assurance. • Evaluated and tracked chemicals and raw materials used with newer products in development per ISO 14001 Environmental Management System.• Developed test methodologies for physical and chemical characterization of polymeric materials, including rubber and plastics and methods for environmental analysis of products. • Wrote internal specifications for all materials used in current products and evaluated physical and chemical properties using them before approval for use. • Assisted in troubleshooting as the main key contact for product material issues. Employed testing methods to gain information and resolve the problem. • Lead Chemist responsible for lab operations. Supervised Assistant Chemist and delegated inspection work from 2012 – 2016. • Trained Engineering and Production personnel in Laboratory etiquette and worked closely with EHS Coordinator to ensure safety in all parts of the facility.• Audited areas in the facility for adherence to ISO 14001 procedures and made changes when necessary.

Minneapolis, Mn, Us

• Operated, calibrated, and maintained laboratory equipment and analytical instrumentation within various laboratories.• Worked with Thermal Analysis (TGA, DSC, DMA), HPLC, GPC (Gel Permeation Chromatography), FTIR, Physical Properties Testing including Stress / Strain tensile testing, Rheology, and Surface / Volume Resistivity. • Worked on numerous Green Belt Projects generating and analyzing data for presentation to Corporate Scientists.• Gained good experience in running instrumentation in a corporate setting and learned laboratory etiquette and good practices.