Dr. Charles D. Duva, president and CEO of DuvaSawko, is among four new trustees of Embry-Riddle Aeronautical University. The others are: C. Jeffrey Knittel, president of CIT Transportation Finance; David B. O’Maley, chairman emeritus and retired president/CEO of the Ohio National Life Insurance Co.; and Jon W. Slangerup, an executive adviser to Moelis Capital Partners.