Gary Hudson is currently Co-Founder and Chief Architect[2] of Gravitics, Inc. a space station manufacturing company.

[3] is Previously, Hudson was the founder of Rotary Rocket Company, which in spending ~$30 Million attempted to build a unique single stage to orbit launch vehicle known as the Roton.

The book "They All Laughed at Christopher Columbus - An Incurable Dreamer Builds the First Civilian Spaceship" by Elizabeth Weil is about the Roton project and Gary Hudson.

Hudson is also a founding partner of Oisin Biotechnologies,[4] which is developing a liposomally-delivered suicide gene senolytic therapy (a treatment that removes senescent cells from the body).

Hudson provided an initial seed donation to help fund the creation of the SENS Research Foundation.