B astian Nominacher is a German technology entrepreneur and one of the three co-founders of Celonis, a Munich-based software company that has become a global leader in process mining. He, along with his friends Alexander Rinke and Martin Klenk, founded the company in 2011 while they were students. The idea was born from a university project where they developed a way to analyze and visualize business processes to uncover inefficiencies.

Their software, which helps large corporations optimize their operations by analyzing data from their IT systems, quickly found a strong market. As co-CEO, Nominacher has been a key driver of the company's business operations and its expansion across Europe. Celonis has experienced phenomenal growth, attracting billions in funding from major international venture capital firms and achieving a valuation of over $10 billion, making it one of Germany's most valuable startups and its founders some of the country's youngest billionaires.