Rajnar Vajra is an American Science Fiction and Fantasy writer with a wide range of interests and education stretching from astrophysics to Zen. He has been a lead guitarist, singer, and songwriter in a professional original rock band; a sound designer and recording engineer; a high school music teacher; a guitar instructor in the Performing Arts Division at the University of Massachusetts; a craftsperson designing and creating jewelry; and involved in doctorate-level biochemistry research. He has been a Hugo finalist and his work has appeared in several anthologies including Visions of Tomorrow and Into The New Millennium, also magazines such as Absolute Magnitude and especially Analog where his writing has been frequently featured, including a full novel serialization.

Currently, he lives in Amherst, Massachusetts and divides his time between writing, performing, composing, and recording music, and providing private lessons for guitar, keyboard, bass, and voice students.