RATLOG
YC F26Dresden, DE · Founded 2026 · 4 employees · 1 known investors
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RATLOG develops reusable heavy-lift rockets for space launch and transport.
Founders & leadership· Y Combinator alumni (F26)
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Charlie WeiseFounder/CEOHe previously interned at the Aerospace Institute of the Technical University of Dresden, contributing to ESA's Argonaut Moon Lander, co-founded Innuendo to develop an air-breathing cruise missile powered by a rotating detonation engine, and worked as a research assistant at Fraunhofer IWS on an ESA space telescope project.
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Felix KelmFounder/EngineeringHe previously served as Electronics Lead at Innuendo, where he worked on an air-breathing cruise missile driven by a rotating detonation engine, designed PCBs for medical devices at dresden elektronik, and contributed to a printable BioPatch for blood glucose monitoring at TU Dresden's Institute of Fine Measurement Technology; he studied Electrical Engineering at TU Dresden and Telecommunication at INSA Lyon.
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Paul KunhartFounder/CTOPaul Kunhart is Founder/CTO of RATLOG, an aerospace engineer who designed rocket engine nozzles for ESA's Argonaut lunar lander at TU Dresden's Aerospace Institute. He previously co-founded Innuendo, where he led engine design on a rotating-detonation-engine-powered air-breathing cruise missile, and is studying Aerospace Engineering at TU Dresden.
Investors · 1
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Frequently asked questions
- What does RATLOG do?
- RATLOG develops reusable heavy-lift rockets for space launch and transport.
- Who are RATLOG's investors?
- RATLOG's investors include Y Combinator.
- Where is RATLOG headquartered?
- RATLOG is headquartered in Dresden, DE.

