I'm a PhD student researching reinforcement learning, state estimation, and sim2real for robotic applications. 
In my research, I develop realistic simulations and train robust manipulation behavior for multi-fingered robotic hands. 
Composing Dextrous Grasping and In-hand Manipulation via Scoring with a Reinforcement Learning Critic
Lennart Röstel*,  Dominik Winkelbauer*, Johannes Pitz, Leon Sievers and Berthold Bäuml
2025 IEEE International Conference on Robotics and Automation (ICRA)
Johannes Pitz*, Lennart Röstel*, Leon Sievers and Berthold Bäuml
2024 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) 
Lennart Röstel, Johannes Pitz, Leon Sievers and Berthold Bäuml
2023 IEEE-RAS International Conference on Humanoid Robots
Johannes Pitz, Lennart Röstel, Leon Sievers and Berthold Bäuml
2023 IEEE International Conference on Robotics and Automation (ICRA)
Get in contact: lennart.roestel@tum.de