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Chester E. Sievert, Jr., Director, joined SpectraScience as a consultant in June 1996, and held various executive positions including Chairman of the Board, President and CEO. He is currently President of Advanced Photodynamic Technologies. Prior to SpectraScience, Mr. Sievert was a founder and President at two medical product companies; ReTech, Inc. from 1980 to 1986; and FlexMedics Corporation from 1986 to 1985. Both Companies were sold respectively to American Endoscopy, Inc. and Phillips Plastics Corporation. As a former Senior Research Health Science on staff at the University of Minnesota Medical School and the Veterans Administration Medical Center, Mr. Sievert has published more than 50 medical journal articles in the fields of Gastroenterology, endoscopy and fiber optics. He has also been awarded eight United States and international patents. Mr. Sievert has a Bachelor of Science Degree in Comparative Physiology from the University of Minnesota. | 