Jack Stehn

Data Scientist

Summary

Data Scientist driven by a passion to use data for positive change. My journey from homelessness to graduating top of my class at UC Berkeley fuels my commitment to impact-driven work. Proficient in Python, SQL, AWS, NLP, machine learning, and data visualization, I specialize in building scalable, ethical data solutions.

Experience

October 2024 - Present

Senior Data Scientist

Analyze staff and teacher data to predict turnover and improve outcomes using explainable machine learning algorithms.

  • Built secure data pipelines and data storage systems on Google Cloud, ensuring compliance and efficiency.
  • Developed visualizations and presented actionable insights to cross-departmental stakeholders, including the board.
  • Streamlined onboarding processes for compliance and operational consistency.
September 2021 - January 2023

Data Scientist

Developed machine learning models and optimized data pipelines for real-time analytics and improved sales insights.

  • Revamped data pipeline for near real-time analytics, slashing processing times by 75% and scaling data volume by 400%.
  • Integrated predictive models, including custom-tuned sentiment analysis, into sales platforms, resulting in significant ROI.
  • Architected scalable AWS data infrastructure, enabling seamless integration with large language models (LLMs).
September 2020 - May 2021

Data Science Research Intern

Led a geospatial analysis study on violence against homeless youth to inform evidence-based interventions.

  • Mastered geospatial analysis tools to identify and visualize spatial patterns of violence.
  • Collaborated with experts to develop robust methodologies, ensuring ethical and rigorous research.

Education

University of California, Berkeley

January 2019 - December 2021

Bachelor's Degree Data Science

Volunteer

Bearrison Street Fair

September 2022 - Present
Event Producer

Oversaw logistics, entertainment, and fundraising initiatives for a large-scale LGBTQ+ community event. Secured over $90,000 in sponsorships to support local nonprofits. Managed diverse stakeholders, vendors, and artists to deliver an impactful and inclusive event.

San Francisco Gay Men's Chorus

December 2023 - Present
Data Team Lead

Created and analyzed organizational surveys, providing data-driven insights for policy-making and organizational growth. Utilized qualitative and quantitative analysis to assess progress towards mission goals.

San Francisco Gay Men's Chorus

January 2018 - Present
Mentor and Trans Support Leader

Supported members through mentorship and leadership in trans support initiatives. Scheduled meetings, fundraisers, and events to support the trans community.

Awards

2020-2021 Outstanding Data Science Undergraduate Award

This award recognizes excellence in undergraduate work in Data Science and is presented to the recipients at the Data Science Commencement Ceremony. I was selected because of your distinguished work in Data Science, including performance in the Data Science major, research, and contributions to the Data Science community at Berkeley.