cryonicist

noun2

1. •
   One who works in the field of cryonics.

   • Cryonics was in its infancy then, and cryobiologists were hard to find, let alone cryonicists. The former believed the body could be frozen in pieces; the latter that it could be frozen whole. — 2008
2. •
   A person who is, or who wishes to be, preserved cryonically.

   • This will not always be the fault of the patient or anyone else; a cryonicist may die in a plane crash, reduced to ashes with nothing left to freeze. — 2000