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Siamak Hesar holds a PhD in aerospace engineering from the University of Colorado Boulder with a focus on precise orbit determination. He supported several NASA missions, most notably as a radio science working group member for the OSIRIS-REx asteroid sample-return mission while at NASA's Jet Propulsion Laboratory, and worked as a GN&C systems engineer at Blue Canyon Technologies and as chief scientist at space-situational-awareness firm SpaceNav. He co-founded Kayhan Space in 2019 with childhood friend Araz Feyzi and serves as CEO, building cloud software that automates collision avoidance and spaceflight safety for satellite operators.
Araz Feyzi is the co-founder and CTO of Kayhan Space, which he started in 2019 with childhood friend Siamak Hesar. He holds a master's in information systems and brings more than 15 years in technology and analytics, having been an early employee at the B2B SaaS startup Duetto and a co-founder of the cybersecurity company Syfer before turning to spaceflight safety. At Kayhan he leads the engineering team building the data infrastructure underlying the company's conjunction-assessment and collision-avoidance products.
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Pathfinder is Kayhan Space's subscription software for satellite operators that automates collision avoidance and spaceflight safety. It ingests tracking and conjunction data, screens an operator's spacecraft against catalogs of other objects and debris, and generates prioritized alerts when a close approach is predicted. The platform then helps operators evaluate, plan, and coordinate avoidance maneuvers, reducing the manual analysis that has historically slowed conjunction response. It is aimed at commercial constellation operators and government fleets that must continuously protect assets in increasingly congested low Earth orbit.
Satcat is Kayhan Space's space situational awareness platform that aggregates data on tens of thousands of orbiting objects from many sources into a single cloud catalog. It provides real-time tracking, AI/ML-enhanced conjunction assessment, and tools for operators to coordinate maneuvers with one another, functioning as a shared reference picture of the orbital environment. The product was recognized as a 2025 Fast Company Innovation by Design honoree in the user-experience category, reflecting its aim to make complex orbital-safety data accessible to a broad set of operators.
2 patents on file, but none with both an extractable figure and an abstract on Google Patents yet.
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