About Our Team

Collaboration, and individual expertise.

We are a good, dedicated team of mixed background – overall 12 persons, and growing. Below some of our key persons.

Andreas Ciroth

Andreas Ciroth

Founder, CEO

Andreas Ciroth finished his PhD (error calculation in LCA) in 2001 at the TU Berlin and is working since then as sustainability consultant in research, industry, and policy contexts. Andreas is leading the openLCA project to create a free, open source sustainability assessment software. He holds a lecturer position at the Technical University Darmstadt in Germany, and is author and co-author of several publications about life cycle sustainability methods and application, software, and databases.

Diana Bizarro

Diana Bizarro

Environmental Consultant, Data Analyst

Diana has studied Urban and Environmental Engineering at the Federal University of ABC (Brazil) and environmental science at the University of Cologne. Since 2012 she worked as environmental analyst in the area of environmental management systems according to ISO 14000. Her focus at GreenDelta is in regionalised LCA methodology and LCA case studies.

Franziska Eisfeldt

Franziska Eisfeldt

Sustainability Consultant, Lead Social LCA

Franziska E. has a master in ‘Geography: Environment, Culture and Tourism’ from Passau University and has been working for GreenDelta as sustainability consultant since 2014. She is an internationally renowned social LCA expert, and responsible for the PSILCA database, a new and comprehensive database for social Life Cycle Assessment, which she is developing together with Andreas.

Sebastian Greve

Sebastian Greve

Software Developer

Sebastian is a trained IT specialist in the area of application development. Before starting his apprenticeship he already worked for GreenDelta as freelance software developer. Since 2013 he is again part of the team. Sebastian is responsible for software development, design and implementation of Java client applications and JEE web-based tools.

Franziska Möller

Franziska Möller

Environmental Consultant & CR

Franziska M. holds a degree in industrial engineering and management of the Technical University of Berlin specialising in energy and resource management. Environmental Life Cycle Assessments case studies, trainings and quality assurance are her focus area at GreenDelta. Additionally, Franziska manages our customer relations and partner network.

Oliver Henneick

Oliver Henneick

Software Developer

Oliver is Software developer and working as an apprentice at GreenDelta for obtaining the degree of software application developer, in German Fachinformatiker (Anwendungsentwicklung).

Michael Srocka

Michael Srocka

Lead Software Developer

Michael Srocka works with GreenDelta since more than 10 years; environmental engineer by education (TU Berlin, 2004) he also holds a degree in practical informatics from Fernuni Hagen. Michael leads the IT development in GreenDelta. He is a highly skilled senior programmer, with a special dedication to Java and databases, and has written most of the parts of the openLCA software.