US Nuclear Corp. has named Richard Landry as its chief operating officer, director of investor relations and business development consultant. Landry will oversee marketing, research on new technologies, raising capital, procuring new contracts and the day-to-day business activities of the Canoga Park company. Landry has a background in finance having worked for vSource 1 Capital, in New York, where he headed business development, marketing and structuring capital for public and private companies.