STEPHEN CHARLESWORTH

Senior Data Scientist | AI/ML Specialist

GitHub | LinkedIn

About

Highly experienced Data Professional with over 15 years of expertise, specializing in Data Science since 2018, adept at transforming complex data into actionable insights. Proven leader in developing and deploying revenue-generating AI/ML models within the healthcare and insurance sectors. Combines deep technical proficiency in advanced analytics and machine learning with strategic collaboration to drive impactful, industry-specific data solutions.

Work Experience

Senior Data Scientist

MILLIMAN INTELLISCRIPT

Dec 2024 - Present

Leads the development and evaluation of advanced revenue-generating models, applying cutting-edge data science techniques to complex healthcare and insurance data while ensuring regulatory compliance.

  • Architected and deployed advanced revenue-generating models for healthcare and insurance applications, optimizing data-driven decision-making.
  • Developed and implemented robust machine learning models using Databricks, MLflow, Jupyter, and scikit-learn, enhancing predictive accuracy and operational efficiency.
  • Collaborated cross-functionally with healthcare and insurance domain experts to design and deliver bespoke, industry-specific data solutions.
  • Contributed to strategic white papers, translating complex research findings into accessible insights for industry thought leadership.
  • Ensured model fairness and compliance with evolving industry regulations and standards, mitigating risk and upholding ethical AI practices.

Data Scientist

MILLIMAN INTELLISCRIPT

Apr 2022 - Dec 2024

Developed and implemented data science models to generate revenue and extract valuable insights from healthcare and insurance datasets, leveraging advanced analytics platforms and tools.

  • Developed and implemented predictive models for healthcare data and insurance applications, directly contributing to revenue generation.
  • Utilized Databricks, posit Workbench, MLflow, and Jupyter notebooks to build and deploy scalable machine learning solutions.
  • Partnered with domain experts to translate complex business challenges into data-driven solutions, enhancing industry-specific insights.
  • Contributed to research initiatives and white papers, showcasing expertise in data science applications within the healthcare and insurance sectors.
  • Evaluated model performance and ensured compliance with industry regulations, maintaining high standards of data integrity and fairness.

Co-Founder

BLOOMINGLABS

Jul 2009 - Nov 2022

Co-founded Indiana's first makerspace, scaling operations from initial meetings to a 3,100 sq ft facility with over 50 members and fostering community technical knowledge.

  • Co-founded Indiana's first makerspace, scaling operations from basement meetings to a 3,100 sq ft facility with 50+ active members.
  • Promoted, prepared, and led numerous technical workshops, significantly expanding community knowledge and engagement.
  • Participated in the Hackerspace Organizer's meeting hosted by the White House, gaining national recognition for community innovation.
  • Contributed to multiple award-winning engineering projects, including the design and execution of a trebuchet for the Bloomington Pumpkin Launch.

Lead Data Scientist

COOK MEDICAL

Sep 2018 - Apr 2022

Led critical cross-functional data science initiatives across manufacturing, quality, finance, and customer experience, driving significant process improvements and predictive analytics solutions.

  • Spearheaded cross-functional data science initiatives, collaborating with Manufacturing, Quality, Finance, and Customer Experience teams to deliver impactful solutions.
  • Automated manual quality trending processes, significantly improving repeatability and traceability while freeing up valuable resources.
  • Developed and deployed a predictive model for identifying 'at-risk' invoices, conducting A/B testing that quantified improvements in collections efficiency.
  • Implemented a large-scale demand forecasting system using R (forecast package), delivering actionable insights via QlikSense dashboards.
  • Applied Hugging Face transformers for advanced NLP tasks including text classification, entity extraction, and question answering applications, enhancing data insights.

Data Architect

COOK MEDICAL

Feb 2017 - Sep 2018

Evaluated and implemented enterprise data technologies, establishing critical standards for API development and managing identity and access solutions to enhance data accessibility.

  • Evaluated and implemented key technologies to support enterprise data needs, optimizing data infrastructure and accessibility.
  • Successfully implemented a robust identity and access management solution using Microsoft Identity Manager (MIM), enhancing data security and compliance.
  • Established a central data repository with MongoDB, significantly improving the accessibility of legacy system information across the organization.
  • Defined and implemented comprehensive standards for API development, selecting and integrating an appropriate API Gateway solution.
  • Prototyped reference APIs and core functionalities using Python, accelerating development cycles and ensuring scalable solutions.

Independent Consultant

INDIANA UNIVERSITY BLOOMINGTON

Aug 2016 - Dec 2017

Provided expert consultation and training for STEM education projects, developing innovative curricula and hands-on projects for local high schools.

  • Provided expert consultation and training for STEM education projects in local high schools, enhancing student engagement.
  • Developed comprehensive class materials focused on Arduino and electronics skills, empowering students with practical technical knowledge.
  • Collaborated with IU's Center for P-16 Research and teachers to successfully implement new technology curricula.
  • Created innovative projects involving lasers, music, Bluetooth wireless control, and LED technologies (Neopixels), fostering hands-on learning.

SQL Server DBA

COOK MEDICAL

Jan 2012 - Feb 2017

Managed and optimized enterprise-wide SQL Server systems, ensuring data integrity, performance, and providing essential guidance to ETL developers.

  • Managed SQL Server systems across the enterprise, ensuring high availability through proactive monitoring and problem resolution.
  • Ensured robust data integrity by implementing comprehensive backup strategies and routine database maintenance procedures.
  • Optimized query performance and server parameters, significantly improving system operation and efficiency.
  • Provided expert guidance to ETL developers, influencing SQL Server best practices across the organization to enhance data pipeline quality.
  • Utilized a comprehensive suite of tools including SSIS, BIML, SSDT, SSMS, PowerShell, and RedGate tools for effective database management.

Secretary

BLOOMINGLABS

Mar 2010 - Dec 2016

Managed organizational communications and administrative functions for Bloominglabs, supporting its growth and community initiatives.

  • Managed administrative functions and communications to support the growth of Indiana's first makerspace.
  • Facilitated community engagement by coordinating technical workshops and events.
  • Supported organizational participation in high-profile events, including a White House-hosted meeting.
  • Contributed to the successful execution of award-winning engineering projects.

Business Intelligence

COOK MEDICAL

Apr 2005 - Jan 2012

Contributed to all facets of reporting and data warehousing, including database design, ETL development, and administering critical business intelligence servers.

  • Contributed to all aspects of reporting and data warehousing, including database design, ETL development, and tool evaluation, enhancing data accessibility.
  • Administered databases and Business Objects servers, ensuring reliable support for enterprise reporting needs and business intelligence initiatives.

Education

Mathematical Science

Clemson University

Jan 1992 - Dec 1994

Courses

  • Statistics
  • Operations Research
  • Simulations
  • Modeling
  • Neural Networks
  • Physical System Simulations

Skills

Languages & Programming

  • Python
  • R
  • SQL
  • PowerShell

Machine Learning & AI

  • scikit-learn
  • XGBoost
  • Hugging Face Transformers
  • Neural Networks
  • Predictive Modeling
  • Text Classification
  • Entity Extraction
  • Question Answering

Database Technologies

  • SQL Server
  • MongoDB
  • ElasticSearch
  • RDBMS
  • NoSQL
  • Database Administration
  • ETL Development
  • Data Warehousing
  • Data Integrity

Cloud & Platforms

  • Azure
  • AWS
  • Databricks
  • QlikSense
  • RStudio Workbench
  • RStudio Teams

Tools & Frameworks

  • MLflow
  • Jupyter
  • RMarkdown
  • posit Workbench
  • SSIS
  • BIML
  • SSDT
  • SSMS
  • RedGate tools
  • logstash
  • Microsoft Identity Manager (MIM)
  • API Gateway

Statistics & Analytics

  • Statistical Modeling
  • Factor Analysis
  • Demand Forecasting
  • Graph Analytics
  • A/B Testing
  • Key Drivers Analysis
  • Correspondence Analysis
  • Business Intelligence

Soft & Transferable Skills

  • Cross-functional Collaboration
  • Strategic Planning
  • Problem Solving
  • Project Leadership
  • Technical Training
  • Curriculum Development
  • Community Engagement
  • Compliance & Regulations
  • Process Improvement

Interests

Personal Interests

  • Running
  • General Fitness
  • Juggling
  • Technology Exploration
  • Making Things

Professional Associations

  • IEEE (Member since Sep 1995)

Speaking & Publications

  • Podcast Appearances
  • Talks at IU
  • Event Appearances
  • White Papers