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Constantine (Deno) S. Macricostas

Executive Chairman

Constantine (Deno) S. Macricostas founded Photronics, Inc. in 1969 and has provided the vision and leadership that has enabled Photronics to become the largest independent supplier of photomasks in the world. Mr. Macricostas served as Chairman and Chief Executive Officer until May 2015 when he became Executive Chairman.

Over the years, Mr. Macricostas has received many awards from business groups, including the National Blue Chip Award, the High Tech Entrepreneur of the Year, the Eli Whitney Award for Excellence in Small Business Management and the prestigious Entrepreneurial Success Award from the Small Business Administration. Listed in Who's Who in American Business, he has been recognized by President Clinton and the executives of the U.S. Chamber of Commerce.

After coming to the U.S. from Greece in 1954, attending college and serving in the U.S. Army, Mr. Macricostas began his career in 1960 as a design engineer with National Semiconductor Corporation. From 1965 to 1969, he worked as an engineering manager for Qualitron Corporation, where he designed early photomask manufacturing equipment for the semiconductor industry.