Will Ellis

Senior Product Manager with a track record of building data products that drive revenue and customer value at scale.

Career Break at Career Break - Global Travel (2025-10 – Present)

Planned 10-month career break travelling across 50 countries and 6 continents.

Senior Product Manager at Taboola (2021-10 – 2025-10)

Senior Product Manager for BI data and product data teams, developing internal analytics and external data products.

• Built and scaled a seven-figure revenue product from 0 to 1, defining roadmap, customer requirements, and go-to-market strategy
• Owned product revenue performance in partnership with Marketing and Commercial, defining pricing, positioning and growth initiatives
• Led development of ML-driven product data enrichment, improving product discovery and performance prediction
• Owned data strategy, including migrating internal reporting to Looker, building new reporting in our external data platform and redefining key metrics
• Partnered with customers to lead discovery, define requirements, and launch new features and products
• Mentored Product Managers and presented strategic insights to senior leadership, influencing product direction

Product Manager at dunnhumby (2021-04 – 2021-10)

Product Manager for the Promotions & Data Science team, owning a data platform forecasting revenue uplift from promotions for retail clients.

• Led feature discovery and wireframing, collaborating with engineering and UX to deliver new product capabilities
• Defined and implemented product and delivery metrics, improving visibility, issue identification, and delivery predictability
• Built and owned the data science roadmap, translating research into product features

Product Manager at Booking.com (2019-08 – 2021-04)

Product Manager for two data product teams, owning data and analytics platforms across Booking's transport business.

• Built and scaled a new data product team, setting vision, roadmap, and operating model with strong stakeholder alignment
• Delivered cloud migration and data unification, driving cross-team coordination across the business
• Partnered with data scientists to improve pricing, search, and PPC models, delivering datasets and integrating model outputs into products

Data Analyst at Booking.com (2018-06 – 2019-08)

Data Analyst analyzing marketing and trading data for the Taxi product at Booking.com.

MI Analyst at Principal Insurance (2017-09 – 2018-06)

MI analyst reporting on performance and providing forecasting, renewal price modeling & analysis.

BSc (Hons) in Mathematics and Philosophy – University Of Manchester (2011 – 2015)