About Our Team

Collaboration, and individual expertise.

At the heart of GreenDelta, a collection of experts in software development and sustainability come together to shine light on the path towards a more sustainable future.

Located in one of Berlin’s most beautiful quarters, we have fetched talent from all over the world, and you can speak to us in:

German, English, French, Italian, Spanish, Portuguese, Russian, Arabic, Chinese, Telugu, Kannada, and Hindi.

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.
Claudia Di Noi

Claudia Di Noi

Sustainability Consultant

Claudia holds a dual master degree in Building Engineering and Architecture from the University of Trento (Italy). She spent study periods at TU Wien and Cracow University of Technology. At GreenDelta she works on the sustainability assessment of EU projects and conducts research and studies on social LCA. She gives trainings on openLCA and the PSILCA database for social LCA. Given her background in building engineering, she also works on the connection between LCA, EPDs and BIM.

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Shehab Saleh

Shehab Saleh

Sustainability Consultant

Shehab has a bachelor and master’s degree in Environmental Science and Technology from TU Berlin, where he focused on Sustainable Engineering and Circular Economy. Before joining GreenDelta, he helped further develop the ESSENZ-Method for the evaluation of resource efficiency at the Chair for Sustainable Engineering at the TU Berlin and later joined a small start-up, where he was solely in charge for performing LCAs of their products.

Kirill Maister

Kirill Maister

Sustainability Consultant

Kirill got a M.Sc. Environmental Resource Management degree at the Brandenburg Technical University. Currently, he is involved in LCIA and environmental consulting at GreenDelta. Before studying in Germany, he was working in the Russian power engineering sector as a project development engineer for 1.5 years.

Anja Kooymans

Anja Kooymans

Lead Backoffice & Administration

Anja holds a master’s degree in American cultural history and a certificate in financial accounting. She worked in many areas as for example public relations, tv and film production, self employed with her own business in sports and managing a small non-profit organization in the social sector. There being in charge of administration and the public funding process, she now is leading the backoffice at GreenDelta.

Shravya Hebbur Murali

Shravya Hebbur Murali

Sustainability Consultant

Shravya holds degrees in Chemical Engineering (B.E.) from BMSCE, Bangalore and Environmental Engineering (M.Sc.) from TU Hamburg, where her research was focused on water treatment and management. She has previously worked in the wind energy industry for three years in QHSE and project management. At GreenDelta, she works on LCA research projects, databases and other environmental consulting activities.

Amina Sultan

Amina Sultan

Sustainability Consultant

Amina finished both her bachelor’s and master’s at TU Berlin with a focus on sustainable development as well as water and waste management. Before GreenDelta, she worked in environmental research and had experience in carrying out comparative LCA studies. At GreenDelta, she works on a project aiming to develop a digital platform and a reliable database for secondary raw material.

Julia Cilleruelo Palomero

Julia Cilleruelo Palomero

Sustainability Consultant and Communications

Julia holds a master’s degree in General Engineering specialising in New and Renewable Energy from Durham University (UK). Before working at GreenDelta, Julia founded her own startup on the field of LCA. At GreenDelta, she works on LCA private and public projects and on establishing international partnerships and external communications. 

Alexander Koch

Alexander Koch

Sustainability Consultant

Alexander has a bachelor’s degree in Resource Efficiency Management from Pforzheim University of Applied Sciences and master’s degree in Biological Resources from Rhine-Waal University of Applied Sciences. Before joining GreenDelta, Alexander worked as a freelancer applying life cycle assessments. At GreenDelta he continues to work in LCA projects and is involved in various sustainability consulting activities.

Raphael Zimmermann

Raphael Zimmermann

Sustainability Consultant & Data Scientist

Raphael holds two M.Sc. degrees in Environmental and Food Economics as well as Biological Oceanography and Limnology from the University of Milan and the University of Amsterdam. He has a B.Sc. in Ecology from the University of East Anglia. Before joining GreenDelta he was involved in research of Caribbean and Antarctic marine ecosystems. He also worked as a Project Manager in the world of E-commerce. At GreenDelta he is involved in LCA projects and Python-based data analysis and database work.

Friedrich Halstenberg

Friedrich Halstenberg

Sustainability Consultant

Friedrich Halstenberg holds a PhD on Engineering of circular systems from the TU Berlin. Previously, he worked as a researcher for the Fraunhofer Institute for Production Systems and Design Technology (IPK) and the TU Berlin, where he focused on product lifecycle management (PLM) and the development of sustainable products and services. At GreenDelta, Friedrich works in research and consultancy projects focusing on LCA, Circular Economy and product development.

Michael Srocka

Michael Srocka

Lead Software Developer

Michael Srocka works with GreenDelta since more than 15 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.

Sebastian Greve

Sebastian Greve

Lead Software Developer

Sebastian is a skilled senior software developer and works with GreenDelta since 2008. He leads the development of several web applications, including openLCA Nexus and LCA Collaboration Server. Sebastian works full stack with core expertise in frontend and API development, currently React and Spring are his frameworks of choice.

Miguel García Casas

Miguel García Casas

Software Developer

Miguel is finishing a PhD in Industrial Technologies, having worked on LCA, LCC optimisation for industrial processes. He holds an M.Sc in Renewable Energy Engineering and also an MBA (IMF Business School). Now at GreenDelta, he works as a software developer in building Python data analysis tools to construct and manage Environmental Input-Output models (joining his passion and his expertise building tools for sustainability assessment).

François Le Rall

François Le Rall

Software Developer

François graduated from KTH in Stockholm and Centrale Lyon. He previously worked as a robotic engineer in Warsaw. Since March 2022, he is working in the GreenDelta software development team. François is responsible for software development and implementation of Java applications.

Bach Ngoc Tran

Bach Ngoc Tran

Software Developer

Bach has a master’s degree in Web Engineering issued by Technical University Chemnitz and a bachelor’s degree in Computer Science from Hanoi University. Before starting master study, he has worked as a software developer for Vietsoftware, an offshore development center for IBM in Vietnam. He started his work in GreenDelta in August 2022 as a fullstack developer with expertise in Java, Javascript and frontend development.

Marie Loubert

Marie Loubert

Intern

Marie has a Master’s degree in Environmental Engineering from the Technical University of Denmark, and is currently finishing her double degree with Centrale Lyon in General Engineering. As a sustainability consultant intern she is taken part of different LCA projects with companies.

Nico Hieke

Nico Hieke

Master Student

Nico is finishing his Masters in Natural Resource Management at the Humboldt University, specialising in sustainability modelling. In cooperation with GreenDelta, he is looking to improve the accuracy of widely-used road transport LCA datasets. Prior to this project, Nico worked with research institutes on environmental impact assessments in food production, and with a large utility company in promoting the transition into renewable energy. He also held roles in product- and project management in E-Commerce start- and scale-ups.

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