From 1984 to 1990 he was the President of Industrial Fermentation Genetics, a biotech Company which manufactured and sold specialty proteins derived from genetic engineering. The Company was acquired in 1990. From 1982 to 1984 he was the President of California Integrated Diagnostics, a manufacturer of kits for the detection of sexually transmitted diseases. The Company was acquired in 1984 by a larger competitor. He was also a senior consultant with Arthur D. Little, Inc. and was involved with strategic and marketing assignments with numerous companies in the medical area. Mr. DiDario currently serves on the Board of three companies with a technology focus and products for the financial services and RFID/GPS asset tracking markets.