On March 28, 2014, the Board of Directors of US Nuclear Corp. elected Dr. Gerald Entine to serve as a member of the Board, effective immediately. Dr. Entine is the founder and former majority stockholder of RMD Inc. and RMD Instruments, LLC.

He still retains a substantial interest in Dynasil. He has more than 40 years of experience in both applied and basic scientific research in optics, nuclear sensors and instrumentation and related physics or biophysics-based technologies.