UNSER TEAM Dipl.-Ing. Mark Wechselmann Vorstand +49 511 90 58 94 10 *protected email* Diana Kroll Büroleitung Hannover +49 511 90 58 94 10 *protected email* Dipl.-Ing. Dipl.-Wirtsch.-Ing. Wilhelm Stock Energie-Revision +49 511 90 58 94 12 *protected email* Cedrik Behrens Energieberater +49 511 90 58 94 15 *protected email* Erblina Vranovci Assistentin des Vorstandes +49 511 90 58 94 10 *protected email* Maxim Geiger Energieberater +49 511 90 58 94 10 *protected email* Naoh Nawabi Energieberater +49 511 90 58 94 10 *protected email*