Gustav Kodl graduated in the construction of machines and instruments at the Electrical Engineering Faculty of ZČU in Plzeň in 1994. After university education he became involved in the elaboration of regional energy plans and energy audits at Ökoplan s.r.o. České Budějovice. He then worked at the EGÚ Energy Institute in České Budějovice, where he took part in the design, development and implementation of quenching choke tuning automatics in distribution networks and other parts of distribution networks. In 1999, he joined JČP a.s. České Budějovice as an independent gas regulation station technician. Since 2000, he has been working at SEVEn in České Budějovice, where he is involved in elaborating of regional energy plans, energy audits, technical and economic analyses and the evaluation of energy conservation. In the year 2007 he successfully passed state exam and obtained certificate of energy auditor no. 272.