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
Information TechnologyView LinkedIn profile

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

  1. Staff Data Scientist

    Underdog

    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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John Lesniak — Staff Data Scientist at Underdog in Columbus, OH, US | Unifers