John Stefan Email & Phone Number

• Led the effort of starting a new research and development department.• Presented an R&D growth plan to the company president and engineering manager that included personnel responsibilities and future project goals.• Attended trade shows in the medical and automotive industries to find new customers and observe the latest technologies.• Collaborated with R&D in Taiwan for manufacturing process improvements, including injection molding gate removal and thin film die cutting.• Developed design standards for mini-LEDs, a new optical technology application.• Started weekly engineering update meetings and encouraged brainstorming sessions for innovating ideas.

• Worked one-on-one with customers to design custom LED edge-lit light guides.o Participated in project kickoff meetings with the customer to establish all product requirements.o Used LightTools simulation software to observe light output for all optical design iterations.o Produced light guide prototypes using laser cutting and etching machines.o Analyzed luminance data using BM-7 colorimeter.o Created and revised engineering drawings during the design process.

North Canton, Ohio

• Conducted long-term research projects with the goals of improving product performance and provide design guidelineso Studied tread pattern 3D void and its effects on uniformity, giving design suggestions to the development teamo Introduced a new cap ply material to improve tire uniformity and save over $300,000 a year on material costso Coordinated testing in Vietnam and analyzed data to determine the growth effects of post cure inflation• Acquired a uniformity correlation between factory uniformity machines and local machines to help improve uniformity specs• Communicated with Vietnamese factory for the setup of force grinding machines that help improve tire uniformity• Developed a tire noise field test using a recording device and Artemis software to improve tire noise levels• Organized warranty claim database using pivot tables and VBA code in excel to track real time warranty data• Initiated the development of finite element analysis capabilities with bicycle tires to implement tools in the design processo Performed tensile testing on tire cords to acquire the correct material characteristicso Created an AutoCAD process for a layout drawing along with a meshing technique in Abaqus CAEo Developed a simulation in Abaqus CAE that mounts and inflates the tire on a wheel• Experimented with laser etching to help speed the process of manually laying out a tread pattern for hand carving prototypes• Helped with the validation of newly designed tire analysis tools, such as an automated tire layout generator and meshing tool• Assisted Kenda-affiliation Dexstar Wheel in Elkhart, Indiana for four months to execute facility and process improvementso Participated in the planning of the purchase of $8 million in capital for a new, upgraded rim lineo Created AutoCAD drawings of critical machine parts to provide local machine shops to manufacture and replace. This increased up-time on machines by 20%• Trained and mentored new research engineering employee

Rittman, Oh

Led a project and meetings involving contractors replacing a $75,000 piece of equipmentCreated layout drawings using Inventor and AutoCADCalculated friction losses through pipe routes to increase productivitySized new pumps to ensure maximum efficiencyDesigned a new building to protect pump from outdoor elementsGathered testing data to identify deficiencies in product flowDesigned platforms to gain access in constrained areas and avoid safety hazardsTrained and mentored new co-ops

Cleveland, Oh

Modeled combustion air blowers and valves using CreoRan field tests on regulators to confirm they were fully functionalUpdated drawing database to complete part inventory

Painesville, Oh

Contacted vendors for quotes on new equipmentModeled small parts using SolidWorks