AI/ML Engineer with focus on regression models for cartridge consumables, hardward sales forecasting models, optimizers for maximizing corporate results, and data science accelerator notebooks• Led machine learning model development for printer supply items that are used daily to make millions of predictions. Development included training set cleansing, training, testing and evaluation for multiple models. Implemented model monitoring notebook for both drift and performance over time. Identified ways to improve performance and spearheaded retraining • Development and continued refinement of financial and sales forecasting models. Extensive experience with univariate & multivariate forecastors, ensembles, and forecasting with deep learning• Financial optimizer development to boost corporate profitability and provide guidance to business leaders• Internal Lexmark mentor for NC State AI Academy program - https://ai-academy.ncsu.edu. Have been mentor for 3 different program cohorts• Extensive use of Databricks and Pyspark for big data along with MLflow for model management and registration• Broad knowledge of time series forecasting and libraries like Sktime, Statsforecast, and deep learning• Proficient with Azure DevOps for user story management, and repositories

Metals selection, testing, failure analysis, and part reviews for Lexmark laser printers. Significant skills include the following: • Experience with electro-galvanized sheet steels, stainless steels, free machining steels, and sintered bronze bushings and other metals. • Expertise with platings and coatings for wear and corrosion resistance.• Nanomechanical testing: quasi-static indentation, nanoDMA, nanoscratch and nanowear testing. • Microhardness testing, porous bearing oil impregnation analysis, and material analysis using SEM energy dispersive X-Ray analysis. • Electrochemical corrosion testing using linear polarization techniques as well as EIS testing.• ASQ certified reliability engineer with strong background in experiment design and data analysis.

Developed and delivered custom ceramic substrates, electronic adhesives, and flexible printed circuits (FPCs) for inkjet printhead product lines to improve performance, increase reliability and lower cost. • Worked with international and domestic suppliers to deliver custom solutions for our unique product requirements. • Responsible for materials selection, characterization, supplier sourcing, project schedules and qualification test planning.• Solved technical issues, assisted suppliers with production and process problems, wrote component and process specifications.• Performed corrosion, adhesion, and materials testing; coordinated analytical testing with other departments. • Used life data analysis and accelerated aging with temperature, humidity, and bias to model reliability and mean time to fail (MTTF) vs. requirements. • Trained and supervised technicians of all skill levels. • Developed expertise across many technical areas.> Dry pressed and laser cut Al2O3 ceramic substrates, manufacturing processes and tolerancing. > Polyimide films for FPCs and FPC adhesives for corrosion resistant circuits.> Epoxy adhesive chemistry, dispense, curing, adhesion and surface cleanliness. > Surface modification with RF and microwave plasmas.

Used Chemical Engineering background to develop and optimize inkjet printhead manufacturing processes. • Key contributor in developing silicon wafer lamination process for Lexmark's Vizix inkjet technology. • Led team of engineers and technicians developing adhesive dispense process for microelectronics encapsulation.• Led efforts to improve inkjet nozzle machining technology for increased print quality and consumer satisfaction.

• Process Engineering: Supported two Werner-Pfleiderer ZSK twin screw extruders (92 & 58 mm) compounding nylon 6, 66, and 46 with glass fiber, flame retardants, impact modifiers. Responsible for process recipes, improvements, documentation, and troubleshooting as well as maintenance projects, and customer complaint resolution.• Additional Accomplishments : Served on cross functional product teams, completed capital projects, Allen-Bradley PLC, Delta-V and HMI programming.