Alexander Rinke Started Celonis as a Student in Munich
Alexander Rinke is co-founder and co-CEO of Celonis, a software company based in Munich with a second head office in New York. He founded it in 2011 with Bastian Nominacher and Martin Klenk while all three were students at the Technical University of Munich. Rinke and Nominacher share the CEO role, and Klenk is CTO.
| Role | Co-Founder and Co-Chief Executive Officer |
|---|---|
| Company | Celonis |
| Headquarters | Munich, Germany |
| Industry | Technology |
| In role since | 2011 |
| Education | Studied at the Technical University of Munich (TUM) |
| Company website | www.celonis.com |
From a Broadcaster’s Hotline Project to Co-CEO
- 2011: co-founded Celonis as a spin-off from TUM
- First project: improving a customer service hotline for the broadcaster Bayerischer Rundfunk
- Co-CEO of Celonis since its founding years
Celonis later leased a full floor at One World Trade Center in New York as it built up its US business. Rinke writes and speaks often on process mining and enterprise AI.
Celonis Staff, Offices and Funding
Celonis sells process mining software. It reads data from systems such as ERP and CRM tools and builds a model of how work actually moves through a company, so teams can find delays and costs.
The company lists more than 3,000 employees and offices in Munich, New York, Madrid and 14 other cities. It raised $1 billion in 2021, and a 2022 Series D extension valued it at $13 billion. Celonis says customers have realised $11.3 billion in value from its platform, and it placed third on the 2025 Fortune Future 50 list. Gartner named Celonis a Leader in its 2026 Magic Quadrant for Process Intelligence.




