Walter Boltz is a former vice-chair of the ACER Board of Regulators and vice-president of the Council of European Energy Regulators (CEER). Walter headed the Austrian Regulatory Authority E-Control for 15 years. Furthermore, he chaired the ACER and CEER Gas Working Groups for many years. In this period the Third Energy Package, the Security of Supply Regulation and the Energy Infrastructure Package were discussed, developed and implemented. Under his auspices, the first and the second Gas Target Model were developed together with the involvement of market participants.

Walter has worked on electricity and gas issues for more than fifteen years and in management and consulting for more than thirty years. In his role as executive director of E-Control, Walter was responsible for electricity and gas market regulation as well as renewable energies.

He served five years on the advisory board of EPRI (Electric Power Research Institute) and was recently re-appointed to the ERRA Strategic Advisory Council. Walter is also a member of the advisory board of the Florence School of Regulation and a frequent speaker at international energy and gas conferences.