John Kray
Founder CEO at Hydra Research LLC
Portland, Oregon, United States
Summary
👤
Senior🎓
Top SchoolJohn Kray is the Founder and CEO of Hydra Research LLC, bringing eight years of hands-on experience in additive manufacturing, product design, and hardware entrepreneurship. With a BA in Physics from Lewis & Clark College, he designed and engineered the Nautilus 3D printer and oversees everything from material testing to marketing and business operations. He excels at turning physics-driven insight into practical, manufacturable products and thrives in roles requiring both technical depth and operational grit. Based in Portland, Oregon, John has built a small hardware company end-to-end, giving him rare cross-functional fluency across engineering, supply, and customer-facing activities. He is particularly adept at FDM material testing and iterative product development, often balancing rapid prototyping with production considerations. Colleagues value his blend of scientific rigor and pragmatic entrepreneurship.
8 years of coding experience
Bachelor of Arts - BA, Physics, Bachelor of Arts - BA, Physics at Lewis and Clark College
Github Skills (24)
slicer10
printer10
gcode10
cnc10
3d-printer10
3d-printing10
pyqt10
cnc-controller10
slicing10
qml10
hardware9
python9
code-generator9
atmel7
firmware7
Programming languages (5)
Github contributions (5)
HydraResearchLLC/Nautilus-Configuration-Macros
May 2019 - Feb 2020
OO C++ RepRap Firmware
Contributions:2 releases, 11 commits, 13 pushes in 8 months
reprapcppc-plus-plusfirmware
HydraResearchLLC/Nautilus-Config-Cura
Aug 2019 - Jan 2022
Contributions:1 release, 56 pushes, 1 tag in 2 years 5 months
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