John Lesniak
Data Science @ Underdog | ex-Deloitte | AI/ML | Statistical Modeling | Communicator
- Role
- Staff Data Scientist at Underdog
- Location
- Columbus, OH, US
- LinkedIn followers
- 500 followers
About John Lesniak
Accomplished Data Science Leader with a Big 4 consulting background, driving business impact by architecting & implementing cutting-edge AI/ML solutions and data-driven strategies. Proven ability to build and mentor high-performing teams, fostering collaborative and result-oriented environments. Excels at translating complex ideas into actionable strategies for business stakeholders.My experience covers a wide range of data science areas including forecasting, customer cluster analysis and segmentation, predictive modeling, anomaly detection, risk analytics, marketing spend, customer churn and retention, uplift modeling, digital marketing, customer journey analytics, demand generation, A/B testing, workforce and resource allocation, optimization, and recommender systems.I love solving problems, trying new things, and coaching stakeholders through analyses.
Experience
Staff Data Scientist
Oct 2025 — Present
Education
The Ohio State University
Master of Science - MS, Statistics
The George Washington University
Bachelor’s Degree, Marketing
2012 — 2016
Skills
- Research
- Microsoft Word
- Team Leadership
- Sas
- Microsoft Office
- R
- Social Networking
- Stata
- Visual Basic for Applications (Vba)
- Microsoft Excel
- Data Analysis
- Leadership
- Teamwork
- Financial Modeling
- Public Speaking
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