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William Notardonato

William Notardonato

Founder, Eta Space llc
United States

Dr. William Notardonato is co-founder and Chief Executive Officer of Eta Space LLC.  He started Eta Space in 2019 to enable sustainable space exploration using cryogenic propellant depots throughout cis-Lunar space, making high impulse orbital transport vehicles refuellable.  Eta Space has developed LOXSAT, a technology demonstrator set to fly to low Earth orbit in late 2026, and is designing Cryo-Dock, a full scale LOX/LCH4 depot that will launch by 2030.  Prior to joining the private sector, Dr. Notardonato was a Senior Principal Investigator at the Cryogenic Test Laboratory NASA Kennedy Space Center. He became an internationally renowned expert in cryogenic refrigeration, LH2 storage and transfer, and in-space cryogenic solutions. Prior to joining the CTL, William was a Space Shuttle Operations Engineer, servicing the Fuel Cells System with supercritical hydrogen and oxygen. Dr. Notardonato earned his Ph.D. in Engineering from the University of Florida, and he has published over 50 papers in the field of cryogenics and space exploration and holds 4 patents for related work

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