Head of Data Science (Commercial AI) / Head of Data Science (Commercial AI)

On AG - May 4, 2026

In Short

As the Head of Data Science: Commercial AI, your mission is to set the direction for the Commercial AI team, ensuring that your projects align seamlessly with On's broader strategy. You will lead complex, high-impact projects to elevate our marketing and commercial performance by conceiving and delivering industry-leading machine learning and AI solutions. Simplifying complexity and leveraging your deep expertise in science, ML, and AI will be key to driving significant impact and supporting On's growth.

About the Team

We are a growing team of passionate Data Scientists and Engineers working across On. Our focus is on building creative and impactful models that personalize experiences, optimize decision-making, and predict future trends. Situated within Technology, we have the opportunity to collaborate across the entire organization. If you're excited about optimizing data usage to support On's growth, we would love for you to be a part of our fast-paced environment.

Your Mission

  • Your primary goal is to provide strategic leadership and execution for Commercial AI initiatives:
  • Set priorities and implementation strategy for Commercial AI in close partnership with stakeholders in the Commercial, Marketing, and Technology teams, ensuring alignment with broader On strategy.
  • Build and nurture a high-performing AI team, promoting both formal and informal mentoring while providing growth opportunities.
  • Lead the design and implementation of machine learning and AI pipelines to optimize marketing decision-making.
  • Develop and refine models such as Customer Lifetime Value, customer product recommendation, and churn prediction, incorporating advanced ML techniques and the latest GenAI technologies.
  • Oversee algorithm performance, including the design of QA metrics and processes, while validating measurable impact through experimentation.
  • Effectively communicate the impact and efficacy of marketing ML and AI applications to all levels of the organization.
  • Simplify complexity to foster alignment and achieve objectives with the team.
  • Drive decision-making and provide input on wider topics such as platform strategy and integrating supply chain and commercial decisions.

Your Story

  • You are a proven data science leader and domain expert ready to shape our Commercial AI future:
  • Expertise in ML and AI design and implementation, with a strong grasp of ML Operations principles and a history of identifying impactful problems to solve.
  • A solid track record in the digital marketing landscape, with an understanding of predictive models, classifiers, user behavior, and website performance.
  • Experienced in managing high-performing teams, creating space for growth while ensuring high-quality output and resolving issues promptly.
  • Adept at communicating the behavior of complex systems to executives and non-technical audiences, with proficiency in data visualization tools and techniques.
  • Excellent interpersonal skills, capable of influencing stakeholders and driving consensus, with experience in identifying root causes and resolving delivery issues.
  • Thriving in a dynamic and fast-paced environment, you possess a proactive attitude and a passion for solving complex challenges.
  • Familiarity with cloud-based machine learning platforms (e.g., Vertex AI), Google Cloud, and batch and streaming technologies is a plus.

Apply online using the form below. Only applications matching the job profile will be considered.

Location : Zürich
Country : Switzerland

Application Form

Please enter your information in the following form and attach your resume (CV)

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