Rainer Karcher

Rainer is the founder and CEO of Heartprint GmbH. With his extensive experience in large corporations, he now supports small and medium-sized businesses in navigating digital and sustainable transformation on an equal footing and with a solution-oriented approach. As Chief Sustainability Officer at SustainableIT.org, he advocates globally for open standards in sustainable IT. Previously, Rainer served as Chief Sustainability and Human Rights Officer at Allianz Technology and as Global Director of IT Sustainability at Siemens AG, where he pioneered groundbreaking IT sustainability strategies. With nearly 27 years of experience in the IT industry, he takes a holistic view of sustainability and describes himself as a ‘climate activist in a suit,’ committed to advancing the UN Sustainable Development Goals.