Mr. S. Kent Rockwell has been the Executive Chairman of The ExOne Company since August 2016. Mr. Rockwell served as the Chief Executive Officer of The ExOne Company since January 1, 2013 until August 19, 2016. Mr. Rockwell served as the Chief Financial Officer of SenSyTech Inc., from 2000 to 2004 and Chief Executive Officer since 1998. He served as Vice President of Corporate Development of Sensytech Inc. He served as an Vice President of Corporate Development of Argon ST, Inc. until October 1, 2007. From January 1998 to June 2000, he served as the Chief Executive Officer of ST Research. in 1998. He served as Vice President of Corporate Development of Daedalus Enterprises, Inc. From November 1986 to June 1997. He served as the Chairman, Chief Executive Officer and President of Astrotech International Corporation since August 1987. He served as Chairman of Rockwell Venture Capital, Inc., since 1983, Chief Executive Officer since 1988 and President since 1983. He served as President of Rockwell Energy Products from 1976 to 1979. Mr. Rockwell served as Chairman of the Board of Astrotech International Corp. since August 1989. He served as Chairman of Rockwell Venture Capital Inc. since 1983. He served as the Chairman of McEvoy Oil Field Equipment from 1979 to 1981. He served as Chairman of Rockwell Forest Products Inc. since 1983 and Appalachian Timber Services, Inc. since 1988. He served as the Chairman of SenSyTech Inc. from 2000 to 2004. He served as Chairman of The ExOne Company from January 1, 2013 to August 2016. He served as the Vice Chairman of Argon ST, Inc. until August 5, 2010. From January 1998 to June 2000, he served as Vice Chairman of SenSyTech Inc. He served as the Vice Chairman of Argon ST, Inc. until October 1, 2007. He served as Vice Chairman of Daedalus Enterprises, Inc. He has been a Director at The ExOne Company since 2008. He served as Director of Argon ST, Inc. from 1987 to August 5, 2010. Mr. Rockwell served as Director of Rockwell International Inc. from 1973 to 1983. He served as a Director of Secure America Acquisition Corp. since May 14, 2007. He served as Director of Daedalus Enterprises, Inc. since 1997, Sensytech Inc. since 1987 and Astrotech International Corp. since 1995. Mr. Rockwell holds a Bachelor of Arts in Economics from Lafayette College and attended the Wharton School of the University of Pennsylvania.