Head of Data Science / Head of Data Science

On AG - April 15, 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 aimed at elevating our marketing and commercial performance through the conception and delivery of industry-leading machine learning and AI solutions. Your expertise in science, machine learning, and AI will be pivotal in simplifying complexity and driving significant impact to support On's growth.

About the Team

We are a passionate and growing team of Data Scientists and Engineers dedicated to working collaboratively across On. Our focus is on building creative and impactful models that personalize experiences, optimize decision-making, and predict future trends. Positioned within the Technology department, we have the unique opportunity to collaborate across the entire organization. If you are excited about optimizing data usage to drive On's growth, we invite you to join our dynamic environment.

Your Mission

  • Provide strategic leadership and execution for Commercial AI initiatives.
  • Set priorities and implementation strategies for Commercial AI in close partnership with stakeholders from the Commercial, Marketing, and Technology teams, ensuring that outputs align with On's broader strategy.
  • Build and nurture a high-performing AI team, promoting both formal and informal mentoring while providing growth opportunities to team members.
  • Lead the design and implementation of machine learning and AI pipelines to optimize marketing decision-making.
  • Develop and refine predictive models such as Customer Lifetime Value, product recommendations, and churn prediction, utilizing advanced machine learning techniques and the latest Generative AI technologies.
  • Oversee algorithm performance, including the design of quality assurance metrics and processes, while validating measurable impacts through experimentation.
  • Effectively communicate the impact and efficacy of marketing machine learning and AI applications to all levels of the organization.
  • Simplify complexity and foster alignment to achieve objectives.
  • Drive decision-making and provide valuable input on broader topics, such as platform strategy and integrating supply chain with commercial decision-making.

Your Story

  • You are a proven data science leader and domain expert prepared to strategically influence our Commercial AI future.
  • You possess extensive expertise in machine learning and AI design, coupled with a strong grasp of ML operations principles, demonstrating a track record of pinpointing and addressing the right problems to maximize business impact.
  • Your experience in the digital marketing landscape encompasses a thorough understanding of predictive models, classifiers, user behavior, and website performance.
  • You have successfully managed high-performing teams, allowing for growth while establishing frameworks and monitoring to ensure top-quality output. You adeptly identify and resolve team issues and blockages swiftly.
  • Your communication skills allow you to convey complex system behaviors to non-technical audiences and executives. Familiarity with data visualization tools enhances your effectiveness.
  • With excellent interpersonal skills, you can influence stakeholders and drive consensus on critical decisions. You are skilled in identifying root causes and alleviating issues that slow the delivery of high-quality AI.
  • You thrive in a dynamic and fast-paced environment, possess a proactive attitude, and are passionate about tackling complex challenges.
  • Experience with cloud-based machine learning platforms (e.g., Vertex AI), Google Cloud, and batch and streaming technologies is advantageous.

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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