Diversity drives performance: your goal in focus.
Our team combines two decades of industry experience with a wide range of skills. We develop solutions that do more than meet standards, they move markets. At Interactive Performance, strategy meets a passion for marketing that delivers measurable results.
Mathias Seidler
Chief Executive Officer
Mathias has been founder and CEO of Interactive Performance since 2017. With over 20 years of experience in performance marketing, he combines entrepreneurial vision, technical expertise and efficiency. His leadership shapes the strategic direction of the company and drives innovative campaigns and measurable results that clients value. He develops talent and creates an environment that enables lasting success.
Sarah Oberlein
Head of Account Management
Sarah has been part of the team since November 2025, bringing over a decade of experience in sales and account management. She combines broad expertise from a variety of roles with a clear focus on performance growth. Her strategic perspective ensures that client potential is fully realised. Her commitment delivers not just efficient processes, but results.
Maria Langenbacher
Account Managerin
Maria has been strengthening the Interactive Performance team since July 2025. As project manager she brings valuable experience from working in large international corporations. With her structured way of working and fresh perspective, she ensures smooth processes and supports the efficient delivery of our client projects.
Alexandra Knipper
Senior Software Developerin
Alexandra has been an integral part of the team since 2017. With many years of industry experience, much of it working alongside Mathias, she combines technical expertise with clear communication and strategic thinking. She ensures that client projects are delivered smoothly, efficiently and successfully.
Lia Jo Köhler
Senior Projekt Managerin
Lia bringt seit 2023 ihre umfangreichen Erfahrungen im Projektmanagement in das Team ein. Als Leitung des Projektmanagements beeindruckt sie mit außergewöhnlicher Organisation, strategischem Weitblick und einem klaren Fokus auf Kundenbedürfnisse. Sie sorgt dafür, dass innovative Kampagnen effizient umgesetzt werden und unsere Kunden begeistert sind.
Steffen Witte
Head of Ad Operations
Steffen strengthens the team with comprehensive expertise in media optimisation and programmatic advertising. His many years of experience mean he knows exactly how to scale campaigns efficiently. His focus is always on data driven decisions. With analytical sharpness and technical know how he ensures that budgets are deployed optimally and deliver measurable performance gains.
Marie-Elène Vignol
Working Student, Ad Management
Marie has been part of the Interactive Performance team since April 2026, supporting ad management. She knows the operational side of performance marketing, works in a structured way and thinks analytically. She asks the right questions and brings solid practical experience alongside her online marketing studies at IU. Her work stands out for its calm, clean and reliable execution.
