Dr. Sarah Bütof

- Designed & launched an AI-led upskilling program for ~500 colleagues as a core pillar of Vista’s Product Operating Model transformation (rated 4.9/5, significant knowledge gain, increased self-reported confidence). - Established a metrics & research framework for product operations, incl. a quarterly product development health check. - Led the Vista Insights Alliance (8 teams) and partnered 1:1 with 17 of ~45 product teams, enabling consistent operating-model adoption and evidence-based product decisions.

- Scaled the Experimentation Ambassador Program from 13 to ~60 ambassadors across Product, Engineering, and Merchandising through targeted training, and lateral leadership. - Roughly doubled the annual number of experiments and teams running experiments. - Provided ongoing consulting and coaching, improving experiment design quality and confidence in data-driven decisions.

Health tech startup client: - Partnered with the CEO, Managing Director, and product team (~20-person company) to design an efficient, aligned operating model and clarify ownership across teams. - Defined and implemented a product and user measurement setup with the dev team and anchored customer-centric decision-making across product and marketing.

- Scaled the experimentation program into an integral part of the product management process across Product, Tech, and adjacent functions, focusing on adoption, quality, and decision impact. - Drove org-wide rollout and ongoing evolution of the hybrid full-stack experimentation platform with cross-functional stakeholders, ensuring it met diverse product and data needs. - Increased annual experiment volume by +220% YoY after introduction and tackled cultural and organizational barriers

- Conceptualised and planned a holistic experimentation program covering methodology, technical foundations, and core product processes. - Defined requirements and roadmap for a hybrid full-stack experimentation platform in close collaboration with Product, Engineering, and Data stakeholders. - Established initial guardrails, workflows, and documentation for running high-quality experiments, forming the basis for later org-wide rollout.

- Planned and executed ~50 A/B and multivariate experiments across 3–4 product teams, covering storefront UI, CRM campaigns, and personalisation/dynamic marketing. - Acted as the analytics partner for a company-wide dynamic multi-channel marketing initiative with 40+ stakeholders, translating project goals into measurable experiment designs.