Head of Data Science / Head of Data Science

On AG - April 19, 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 designed to elevate our marketing and commercial performance by delivering industry-leading machine learning and AI solutions. Your ability to simplify complexity and leverage your deep expertise in science, ML, and AI will drive significant impact and support On's growth.

About the Team

We're a growing team of passionate Data Scientists and Engineers working across On. We build creative and impactful models end-to-end that personalize experiences, optimize decision-making, and predict future trends. Positioned within Technology, we have the opportunity to collaborate across the entire organization. If you're excited about optimizing how we utilize and consume data to support On's growth, we'd love for you to be a part of our fast-paced environment.

Your Mission

  • Provide strategic leadership and execution for Commercial AI initiatives.
  • Set priorities and implementation strategy for Commercial AI in partnership with stakeholders in the Commercial, Marketing, and Technology teams. Anticipate and integrate the interests of various teams, ensuring output aligns with On's broader strategy.
  • Build and nurture a high-performing AI team. Actively promote formal and informal mentoring opportunities for team growth.
  • 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 recommendations, and churn prediction, incorporating advanced ML techniques and the latest GenAI technologies.
  • Oversee algorithm performance, ensuring robust 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 and engage others to achieve objectives while fostering cohesiveness and alignment.
  • Drive decision-making and provide input on wider topics such as platform strategy, integrating supply chain and commercial decision-making, and talent strategy.

Your Story

  • You are a proven data science leader and domain expert poised to lead and strategically influence our Commercial AI future.
  • You possess expertise in ML and AI design and production implementation, with a strong understanding of ML Operations principles and a track record of identifying the right problems to maximize business impact.
  • With experience in the digital marketing landscape, you have a clear understanding of prediction models, classifiers, user behavior, and website performance.
  • You have successfully managed high-performing teams, providing space for growth while ensuring quality outputs through appropriate frameworks and monitoring. You effectively identify and resolve issues within the team.
  • Adept in conveying the behavior of complex systems to executives and non-technical audiences, you have experience with data visualization tools and techniques.
  • Your excellent interpersonal skills enable you to influence stakeholders and drive consensus, while you adeptly identify root causes and address issues that hinder the efficient delivery of high-quality AI.
  • Thriving in a dynamic and fast-paced environment, you possess a proactive attitude and are passionate about solving complex challenges.
  • Familiarity with cloud-based machine learning platforms (e.g., Vertex AI), Google Cloud, and both 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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