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
Founder, CEO

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.


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
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
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
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
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
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
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
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
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
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.

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.

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.

Lingie Ji
Working Student
Lingjie is currently a student at the Technical University of Berlin, where she is majoring in environmental engineering. 2021 she spent 3 months as an intern at GreenDelta and gained a lot of experience about LCA. Right now, she is writing her Bachelor’s thesis at GreenDelta. At the same time, she is also involved in a number of projects and trying to learn more about sustainability and LCA.

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
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.