David Yussen
Director of Data @Gain Theory
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WORK HISTORY
Director of Data @Gain Theory
Led a multinational squad (US, Brazil) providing data acquisition, QA, and model-ready transformations for and decisioning products; partnered with UK-based modelers and product teams. Reduced a recurring data refresh from 5 days to 3 hours by replacing static SQL with dbt pipelines and ML-assisted QA, accelerating refresh times and enabling faster optimization decisions across markets. Directed marketing analytics engineering for Fortune 500 clients, enabling actionable recommendations for effective media investment, and campaign optimization. Centralized ingestion and raw data transformation in Snowflake and standardized documentation, increasing accuracy and on-time delivery while supporting double-digit client growth across Lululemon, Nestlé, Ford, Perfetti Van Melle, and BetMGM. Advanced new measurement product pilots by defining processes and developing an in-market test, improving time-to-insight, and setting the stage for broader rollout. Enabled BI consumption by staging model outputs and decision-ready datasets in Snowflake and Tableau, aligning data delivery with analytics and executive reporting priorities.
EDUCATION
Lehigh University
Bachelor of Arts (B.A.), Psychology, Minor: Computer Science
University of Minnesota
Master of Business Administration (M.B.A.), Marketing, Information & Decision Science
ABOUT DAVID YUSSEN
I am a data-driven marketing and analytics leader who helps brands and agencies turn complex data into clear decisions that drive business growth. I specialize in digital performance, marketing effectiveness, and modern measurement programs that connect investment to outcomes.Throughout my career, I have built and led cross-functional analytics teams across brand, agency, and consulting environments. I have directed data intelligence and optimization programs for global brands including Lululemon, Nestlé, Ford, Perfetti Van Melle, BetMGM, Mars, Hillman Group, Caribou Coffee, eBay, BEHR Paint, Red Wing Shoe, Great Clips, Thrive PetCare, Generac, Kraft Heinz, and Best Buy.I have a strong track record of modernizing marketing measurement through marketing mix modeling, multi-touch attribution, and incrementality tests. I enjoy partnering with senior leaders to design KPI frameworks, conduct scenario planning, and deliver executive-ready storytelling that supports smarter, faster decisions. I am equally comfortable in the details of data analysis and engineering, and collaborating with senior leaders, translating insights into recommendations that drive impact. Developing and mentoring teams is a core part of my leadership philosophy.AREAS OF EXPERTISE: Marketing Measurement and Optimization Media Performance and Insights Marketing Mix Modeling and Attribution Incrementality Testing and Experiment Design Forecasting and Scenario Planning Data Design and Visualization, Dashboarding Business Intelligence and Decision Science Executive Communication and Storytelling KPI Frameworks and Scorecards Client Consulting and Insight Storytelling Team Leadership and Mentorship Stakeholder and Vendor Management Data-Driven Decision Making Retail Media and Investment Strategy Customer Analytics and Cohort Modeling Customer Lifetime Value Analysis Conversion Rate Optimization Funnel and Path Analysis ETL and ELT Pipelines Decision-Ready Data Products Executive Dashboards and Self-Service Analytics Digital Analytics and Tagging Strategy Campaign Performance Optimization CRM Strategy & Personalization
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