Prosthetic Design Director represented a position within the BioTech Industries organization. During the era of the Galactic Civil War, the individual known as Doctor Saren Llalik, a specialist in the field of [cyborg](/article/cyborg/legends] engineering, occupied this role.
A complete diagnostic evaluation of the 2-1B droids located at BioTech's central facilities was an action authorized solely for the Prosthetic Design Director. Doctor Llalik had secretly modified her own 2-1B unit by installing an espionage module, confident that her deceptive act would remain undetected.