Jeff Keljik has been teaching at Dunwoody Institute for over twelve years and is now the Department Head of Electrical, Electronics, and Computer Technology. As a licensed journeyman electrician he is also in charge of electrical construction maintenance at Dunwoody. Before beginning his career in education, he worked for five years as a maintenance electrician. In addition to his teaching and administrative duties, Mr. Keljik is chairman of the Minnesota Technical, Trade and Industrial Association (Electrical Section). He is also a consultant with industry and serves as an electrical coordinator on several international projects in Jamaica, Indonesia, and Saudi Arabia.Keljik, Jeff is the author of 'Electricity 4 Ac/dc Motors, Controls And Maintenance', published 2005 under ISBN 9781401897239 and ISBN 1401897231.