Interviews 2023 Ann Kathrin Lipponer (IRENA) on innovation for green hydrogen Gaone Koma (Polycare) on producing cement Dr. Seamus Garvey (CheeseCake Energy) on long duration energy storage and flexibility tools Dr. Simon Brettschneider (SPRIND) on promoting innovation for long duration energy storage Johanna Schiele (European Commission) on cleantech innovation Dr. Tobias Lechtenfeld (1.5° Ventures) on promoting innovation Bengt Bergt (MdB | SPD) on long duration energy storage in Germany Thore Lohmann (thyssenkrupp) on ammonia and hydrogen for different applications Henning Rehbaum (MdB | CDU) on the North Rhine-Westphalia Green Cement initiative Yazgülü Zeybek (Chairwoman NRW | Bündnis 90/Die Grünen) on