Donato Cristaldi is the Geschäftsführer at Malmberg Bioerdgastech GmbH since 2025. They have extensive experience in the biogas sector, including serving as Projektleiter Due Diligence at AC Biogas GmbH from 2011 to 2014 and as Geschäftsführer at Anaergia Technologies GmbH from 2021 to 2025. As a co-founder of Alka Impianti Srl from 2008 to 2010, Donato also contributed to developing and marketing photovoltaic projects in Italy. In addition to their leadership roles, they held various positions in sales and management at Bücker & Essing GmbH and ray facility management group. Donato is currently pursuing a degree in Raumplanung at Universität Dortmund.
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