mail@lukedav.is | lukedav.is | LinkedIn | (303)-478-2957 | Queens, NY
Data scientist and analytics leader with twelve years of experience empowering organizations with data and insights. I use a deep knowledge of every part of the data and analytics process to solve intractable problems, deploy transformative models and tools, and create the clarity amidst chaos that enables leaders to confidently make the right decisions.
| Tools | Strategic Skills | Technical Skills |
|---|---|---|
| SQL: Redshift, Snowflake, BigQuery, DBT | People management, strategy, and hiring | R expert, experienced in Python |
| LLMs with OpenAI API and AWS Bedrock | Executive partnership and presentation | Statistical modeling and Machine Learning |
| Dashboards in Tableau, Shiny, Looker, Mixpanel | Project management, agile, Jira, Git | Inference, A/B testing, experimental design |
Experience
Warby Parker
Principal Data Scientist, June 2024 - Present
Rebuilt data science function from scratch for a nationwide omnichannel vertically-integrated retailer. Embedded with product leadership to launch A/B testing program. Hugely increased test velocity and stakeholder confidence in results, leading to significant revenue growth.
Built matched-market testing and measurement program with growth marketing team and oversaw implementation of media mix model vendor. Proved incremental sales impact of new channels and spend reallocation.
Formed company-wide Customer Data Platform strategy. Improved customer demographics and lifecycle / LTV metrics to drive marketing efficiency, customer retention, and product strategy.
Ontra
Sr. Data Scientist, September 2022 - June 2024
Built a groundbreaking customer health program to reduce churn in a B2B business. Created machine learning model with easily understandable factor breakdowns for stakeholders.
Created LLM evaluation guidelines and standards.
Skillshare
Staff Data Scientist, January 2020 - August 2022
Worked with full C-suite on “root cause” analyses for board. Led to major shifts in company strategy, saving millions of dollars.
Led A/B testing cross-functionally for the company’s internationalization efforts. Managed two data analysts as direct reports.
Used k-means to create the company’s first user segments, improving content strategy.
edX
Sr. Data Scientist, February 2019 - January 2020
Analyzed A/B test of full site redesign. Proved 20% lift in conversions.
Created a strategic plan for the data team. Mentored junior data scientists and led adoption of DBT.
Publicis Groupe / Digitas
Sr. Data Scientist, December 2015 - February 2019
Built the company’s big data platform. Led international trainings for over 100 data professionals.
Used time series methods and random forests to project demand for broadway musical tickets. Created price optimizations based on projections and complex business requirements.
Earlier Experience
ACLU of Massachusetts (Pro-bono), 2015-2017
Led data analysis supporting CPCS v. Attorney General, which led to the largest dismissal of convictions arising from tainted evidence in U.S. history.
Analyst at Center for Effective Philanthropy, 2015
Managed internal SQL and Python tools to automate survey data processing.
Analyst at Latitude Research, 2013-2015
Conducted market research surveys and built Tableau dashboards.
Education
Carnegie Mellon University
BS in Psychology, September 2009 - May 2013
Completed coursework in psychology, machine learning, data visualization, and statistics.
Awarded multiple competitive research grants for work on educational video games. Won 2012 Pittsburgh Global Game Jam Judges' Choice Award.