Donald ChiarellaDon has 40 years of civil service as a programmer, computer specialist, DBA, MVS Systems programmer, Telecom Specialist, Supervisory DBA, IT Policy Manager, and Cybersecurity Manager at military, federal, and state levels. He has been teaching adjunc computer sciences for 35 years. He is an INTJ and worked hard to learn to teach effectively. He holds 6.5 degrees and is always learning. He holds many certifications and teaches those too. He is CEO of Gray Consulting in Hanover, Maryland. He is a Knight Templar Mason and Glen Mar Church Trustee. He was also a presidential scholar appointed to USAFA in 1974 and worked in Washington agencies for 20 years. His books website is www.lulu.com/donchiarella for other books. Read More Read Less