SANTA BARBARA, Calif.--(BUSINESS WIRE)--Celerus Diagnostics today announced the appointment of Dr. Marc Key as Chief Scientific Officer. The rapid cancer diagnostics company expanded its management team in anticipation of an exciting year of growth and innovation. “We are extremely pleased to have Marc join our team,” said Michael Sarrasin, CEO. “His experience and technical expertise bring valuable insight to the company.” Responsible for new product development, Dr. Key will provide direction in the creation of next generation diagnostic tools.