Rubicon Technology, Inc. announced that Board of Directors appointed Mathew Rich as the Company's Chief Financial Officer. From August 15, 2019 to November 15, 2019, Mr. Rich was a financial consultant to the Company. Prior to August 2019, Mr. Rich, age 46, had been a regional strategy lead for Cargill Inc.’s food ingredients segment. From 2007 until 2016, Mr. Rich held various roles of increasing responsibility across Unilever’s North American foods businesses. Prior to that, Mr. Rich served in various capacities with Abbott Laboratories and The Procter & Gamble Co. Mr. Rich has an MBA from the University of Chicago Booth School of Business and is registered as a Certified Public Accountant.