Machine Learning Data Scientist

KRISTOFER STILL

Cincinnati, ***** OH 513-***-**** *******@*****.*** WWW: www.linkedin.com/in/kristoferstill

Summary

Senior data leader and experienced data scientist proficient in Python, R, and SQL with a strong statistics and machine learning background.

Skilled in analyzing complex datasets, developing predictive models, and delivering actionable insights. Proven track record of leveraging

data-driven strategies to drive business growth and optimize decision-making processes.

Skills

● Leadership ● Programming (Python, R, SAS)

● Critical Thinking ● Statistics and Mathematics

● Problem-solving ● Machine Learning (AzureML, Databricks, AWS Sagemaker)

● Collaboration ● Data Visualization (PowerBI, Tableau)

● Adaptability ● Databases and data engineering (SQL/NoSQL, Spark,

BigQuery, Snowflake)

Experience

Mgr. Customer Insights & Analytics

PC Connection Merrimack NH

● Lead data and analytics team consisting of 12 members

● Established strategic partnerships with key industry players, driving business growth and market expansion.

● Build dashboards for internal and customer stakeholders, bespoke machine learning models, and AI tools

● Positioned the company as a market leader, recognized for its cutting-edge products/services and industry impact.

Owner

AfterDarkHorseLabas

● Founded and scaled a successful angel and private equit fund

● Established strategic partnerships with key industry players, driving business growth and market expansion.

● Developed and executed a comprehensive business strategy, achieving consistent revenue and profit growth.

● Positioned the company as a market leader, recognized for its cutting-edge products/services and industry impact.

Founder and Managing Director 12/2019 to Current

DATA SCIENCE CONSULTANTS, LLC Cincinnati OH

● Founded and scaled a successful startup from inception to a $1MM+ valuation.

● Established strategic partnerships with key industry players, driving business growth and market expansion.

● Developed and executed a comprehensive business strategy, achieving consistent revenue and profit growth.

● Positioned the company as a market leader, recognized for its cutting-edge products/services and industry impact.

Head of Data (contract) 10/2023 to 02/2024

ANVL Cincinnati OH

● Led data strategy and governance for multiple projects, ensuring alignment with business objectives.

● Built end-to-end serverless data pipelines in AWS to deliver enterprise PowerBI dashboards and customer analytics.

● Implemented data quality frameworks to improve the accuracy and reliability of data assets.

● Reported to the CEO and maintained relationships with key stakeholders to understand and address their data needs.

Director, Data & Analytics 03/2023 to 11/2023

MAIN STREET APPS Cincinnati OH

● Led the development and implementation of data governance frameworks

● Managed cross-functional teams to deliver data-driven insights and solutions

● Spearheaded the adoption of advanced analytics and machine-learning techniques

● Oversaw the design and modernization of data infrastructure and systems

● Developed and executed data strategies to drive data-driven decision-making for clients in manufacturing, healthcare, and payments.

Director Advanced Insights 09/2021 to 02/2023

COSTRATEGIX Cincinnati OH

● Led the development and implementation of advanced analytics strategies.

● Helped clients in insurance, financial services, and transportation, improving operations and making better decisions using internal

data.

● Oversaw the design and deployment of innovative data visualization tools.

● Led a high-performing team of data scientists, engineers, and analysts, fostering a culture of innovation, collaboration, and excellence.

● Built marketplace data products for 3rd largest grocery retailer in the U.S. using AzureML and Databricks.

Data Science Fellow/Technical Evangelist, Contractor 11/2020 to 04/2021

GUROBI OPTIMIZATION Beaverton OR

● Conducted workshops and presentations on data science concepts and tools to technical and non-technical audiences.

● Collaborated with sales and marketing team to integrate campaign and CDP data (Google Analytics, Marketo, Salesforce) to improve

performance.

● Contributed to open-source projects and communities, fostering knowledge sharing and innovation in data science.

● Provided technical guidance and support to clients in leveraging data science solutions to solve complex problems and drive business

growth.

Senior Applied Data Scientist/Analyst 03/2018 to 12/2019

DUNNHUMBY Cincinnati OH

● Led development and implementation of prescriptive analytics for retail grocery clients.

● Spearheaded data visualization efforts to communicate complex findings to non-technical stakeholders.

● Conducted in-depth data analysis to identify trends, patterns, and anomalies.

● Led training and coaching for 20 incoming data scientists, analysts, and interns in open-source tools

● Led cloud migration of analytics platform in North America, resulting in annual cost savings of $500K

Data Analysis II (Contractor) 08/2017 to 01/2018

84.51 Cincinnati OH

● Conducted advanced statistical analysis on large datasets to identify trends and patterns.

● Authored validation and testing scripts using SQL to transition data products from Exadata to Hadoop, reducing processing times by

5%

● Created visualizations and reports to communicate findings and insights to stakeholders.

● Collaborated with cross-functional teams to gather requirements and deliver actionable recommendations.

● Utilized machine learning algorithms for optimization and automation tasks.

Senior Business Intelligence and Data Analytics Manager 04/2015 to 05/2017

FIFTH THIRD BANK Cincinnati OH

● Led cross-functional teams in developing and implementing intelligence features in the commercial bank’s sales operations platform.

● Managed end-to-end BI projects, from requirements gathering to implementation and maintenance.

● Developed and maintained executive dashboards for real-time performance monitoring.

● Oversaw the integration of multiple data sources to create comprehensive analytical reports.

● Provided strategic guidance on data-driven decision-making processes to senior leadership.

Assistant Adjunct Professor 01/2014 to 12/2016

UNIVERSITY OF CINCINNATI Cincinnati OH

● Developed engaging lectures on Python, SQL, and data science case studies.

● Provided mentorship and guidance to undergraduate and graduate students.Served on faculty committees for graduate student projects.

● Assisted in curriculum development and course planning.

● Conducted research in collaboration with faculty members.

● Graded assignments and provided constructive feedback to students.

Lead Human Capital Analytics Consultant 11/2014 to 04/2015

FIFTH THIRD BANK Cincinnati OH

● Led the development and implementation of human capital analytics and measurement strategies

● Designed and managed data-driven HR projects to improve organizational performance

● Advised senior leadership on workforce planning and talent management based on data insights

● Conducted advanced statistical analysis to extract meaningful patterns from HR data

● Collaborated with cross-functional teams to integrate analytics into HR processes and decision-making

Data Scientist, Manager Analytics 01/2013 to 01/2014

UNIFUND GROUP Cincinnati OH

● Led cross-functional teams in developing predictive models for sales forecasting.

● Implemented data-driven strategies resulting in a 20% increase in customer retention.

● Managed end-to-end analytics projects, from data collection to model deployment.

● Conducted A/B testing to optimize website performance and enhance user experience.

● Provided actionable insights to senior leadership through data visualization and storytelling.

Analyst / Decision Scientist 01/2008 to 01/2013

UNIFUND GROUP Cincinnati OH

● Developed predictive models to optimize inventory management, reducing costs by 15%.

● Conducted A/B tests, leading to a 20% uplift in customer engagement and retention.

● Analyzed large datasets to identify market trends, resulting in targeted marketing strategies and a 10% increase in sales.

● Collaborated with cross-functional teams to implement data-driven solutions, improving operational efficiency by 25%.

● Utilized machine learning algorithms to forecast financial performance, guiding strategic decision-making and driving a 5% increase

in profit margins.

Business Analyst and Project Manager 01/2007 to 01/2008

UNIFUND GROUP Cincinnati OH

● Led cross-functional teams to deliver multiple projects on time and within budget successfully.

● Conducted comprehensive business analysis to identify opportunities for process improvement and cost reduction.

● Utilized Agile methodologies to streamline project workflows and increase team productivity.

● Developed and maintained project plans, schedules, and budgets to ensure project objectives were met.

● Collaborated with stakeholders to gather requirements, define project scope, and communicate status updates.

Education and Training

MS: Master of Science in Business Analytics (Formerly MS Quantitative Analysis)

University of Cincinnati

Cincinnati, OH

● Outstanding Graduating MS student (#1 GPA rank)

BS: Bachelor of Science in Finance

Miami University Oxford, OH

● Honors: magna cum laude

● Minor: Interdisciplinary Studies

Project Management Certification Program

Xavier University Leadership Center Cincinnati, OH

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