Max Fleischer studied technical physics and received the PhD of TU- Munich, his habilitation and honorary professorship from the TU-Budapest and became honorary member of the Hungarian Academy of Science. He has been long-years member of the Corporate Technology of Siemens, advancing gas sensors bio sensor and spectroscopy based chemical process analysis. His recent activities focus to energy related topics: conversion of CO2 using renewable electricity into chemicals and fuel, new energy storage and dispersed photovoltaic energy generation. In 2020 he joined the newly formed Siemens Energy Organization working in the corporate department for Strategy & Technology and Innovation in the role as Siemens Energie’s Chief Key Expert. There he is working with the CTO on a corporate level for Siemens Energy Innovations for the new energy system .