John Tulk Email and Phone Number

Direct several production departments: high margin / low volume lighting phosphors, tanning phosphors, EL phosphors and lamp chemical Lead teams in several departments to improve quality and reduce costs through Lean Manufacturing and Six Sigma methodologies.Act as a technical resource to users of GTP phosphors.

• Managed all aspects of suspension making process• Responsible for quality of neon tubing and specialty lamps• Responsible for new vendor and raw material approvals• Participated in scheduling from raw material ordering to production floor filling• Designed fluorescent coating blends to customer and industry specifications. • Standardized suspension formulas yielding multi-phosphor blends that were cost effectively produced and controlled.• Responsible for all… Show more • Managed all aspects of suspension making process• Responsible for quality of neon tubing and specialty lamps• Responsible for new vendor and raw material approvals• Participated in scheduling from raw material ordering to production floor filling• Designed fluorescent coating blends to customer and industry specifications. • Standardized suspension formulas yielding multi-phosphor blends that were cost effectively produced and controlled.• Responsible for all production coating processes related to application and quality validation.• Reduced the time needed to get suspensions approved for production. by 80% through use of analytical equipment, data tracking and software development. • Faster turn-around times, smaller blend sizes and accurate tracking. , reduced suspension inventory by $160K, a 30+% cost saving. • Developed new and improved existing products such that mercury staining in aperture lamps was eliminated, perfected coat-after-bend process for military specified serpentine lamps, formulated tanning blends which reduced harmful wavelengths and developed a vitamin D therapy lamp for the medical market. Show less

• Directed production of high margin, low volume lighting phosphors as well as standard high volume phosphors.• Developed new and improved existing products and processes while keeping costs under control.• Maintained and updated QC data, coordinated phosphor development between Sylvania divisions and performed research on the lamp finishing steps to maximize phosphor performance.• Developed an advanced quality data computer program resulting in a more versatile, user friendly and… Show more • Directed production of high margin, low volume lighting phosphors as well as standard high volume phosphors.• Developed new and improved existing products and processes while keeping costs under control.• Maintained and updated QC data, coordinated phosphor development between Sylvania divisions and performed research on the lamp finishing steps to maximize phosphor performance.• Developed an advanced quality data computer program resulting in a more versatile, user friendly and faster system thus reducing time on routine tasks by over 50%.• Developed new processes, improved product quality and reduced material costs for the manufacturing of fluorescent lamps• Implemented coating improvements for a high margin specialty lamps resulting in a 4% increase in lumen output, giving Sylvania an outstanding marketing advantage. Show less