Business

RATLOG

Website
Founded 2026Origin source ↗Checked 2026-10-19

Overview

Reusable heavy-lift rockets

Company description As recorded 2026-11-08

Founders & team

Charlie Weise

Founder/CEO

Founder/CEO at RATLOG (YC F26). YETI G1 Fellow. Previously Research Intern at Aerospace Institute (Technical University Dresden) working on ESA's Argonaut Moon Lander. Co-founded Innuendo, developing an air-breathing cruise missile powered by RDE. Research Assistant at Fraunhofer IWS on ESA space telescope project.

Founder profile As recorded 2026-10-19

Matty Driesnack

Founder/COO

Founder/COO at RATLOG (YC F26). Founding team at Lio (YC S23, a16z), working closely with CEO and COO. MS Business Administration from TU Dresden.

Founder profile As recorded 2026-10-19

Felix Kelm

Founder/Engineering

Founder/Engineering at RATLOG. Previously Electronics Lead at Innuendo, building an air-breathing cruise missile powered by a rotating detonation engine. Developed PCB since age 16. Electrical Engineering at TU Dresden and Telecommunication at INSA Lyon.

Founder profile As recorded 2026-10-19

Paul Kunhart

Founder/CTO

Founder/CTO at RATLOG (YC F26). Designed rocket engine nozzles for ESA's Argonaut lunar lander at Technical University Dresden's Aerospace Institute. Previously co-founded Innuendo, leading engine design on an air-breathing cruise missile powered by a rotating detonation engine. Studying Aerospace Engineering at TU Dresden.

Founder profile As recorded 2026-10-19
4team members reported
Source-reported As recorded 2026-10-19

Founded 2026 · Source

News & product activity

Sources & observations

Y Combinator

Profile depthverified profile
Website observationsite error
Last website check2026-11-11
Location · source statedDresden, SN, Germany
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 2 of 6 areas documented

Source-based assessment · automated evidence rules

The latest website check does not confirm this company’s website.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

  • Product overviewSource description Checked 2026-11-08
  • Product visualsNot documented
  • Founders & originsTeam information
  • Business model & pricingNot documented
  • Funding & ownershipNot documented
  • Dated milestonesNot documented
Stage definitions
independent websitesource corroborationdescriptive evidencesourced peoplesourced founding year