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 and Indonesian.

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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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.

Julian Rickert

Julian Rickert

Sustainability Consultant

Julian holds a M.Sc. in Industrial Engineering with a major in Mechanical Engineering and a specialisation in Resource Efficiency and Sustainability (TU Braunschweig). At GreenDelta, he works on life cycle assessments for the circular economy, as well as on trainings, and database developments.

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.

Thaís Barreiros

Thaís Barreiros

Sustainability Consultant

Thaís is a Brazilian Chemical Engineer. In Europe, she completed the Sustainable and Innovative Natural Resource Management master’s program SINREM. She started in the company as an intern working on social assessments and LCA case studies. Now she is a sustainability consultant, working on guidelines, LCA projects and trainings.

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: a central web platform trying to solve the data gap within LCA. At GreenDelta, she works on sustainability assessments and on establishing international partnerships and external communications. 

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

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.
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).

Adroaldo Borges

Adroaldo Borges

Software Developer

Previously, Adroaldo worked as a software developer for Samsung Electronics and LG Electronics in Brazil. He holds a bachelor’s and a master’ s degree in computer science. Since November 2019, he is working in the GreenDelta software development team. His main responsibility is programming Java Web-based applications.

Léo Jan

Léo Jan

Software Developer

Léo has recently graduated from Polytech Grenoble, France, with a master’s degree in information technology. After having gained working experience in several internships, he joined GreenDelta as part of the software development team in 2021. He’s currently working on building web widgets in order to improve data visualization.

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.

Ferik Yongko

Ferik Yongko

Working Student

Ferik is at his third year studying Environmental Engineering (Technischer Umweltschutz) at the Technical University Berlin (TUB), where he plans to continue with his masters. Being very interested in sustainable engineering, he joined GreenDelta as an intern and is now working on data research and modelling support in LCA projects with openLCA.

Sunah Yu

Sunah Yu

Working Student

Sunah is doing her last bachelor semester in environmental engineering (Technischer Umweltschutz) at the Technical University Berlin. She firstly joined GreenDelta as an intern and she is currently writing her bachelor thesis at GreenDelta. In her work, she’s developing an LCA model and assessment methods to introduce sustainable solutions for a private innovative technology.

Elias Zipfel

Elias Zipfel

Intern

In his bachelor’s in industrial engineering, Elias wrote his thesis on eco-design. Afterwards, he worked for several years in product development in the automotive supply industry, where LCA and eco-design was part of his work. At the end of 2020, he started a master’s degree in industrial engineering and is now working as an intern at GreenDelta, wanting to expand his LCA knowledge further before starting his master thesis. 

Meret Jürgens

Meret Jürgens

Intern

Meret is finishing her master’s degree in Mechanical Engineering at Leibniz Universität Hannover and has joined GreenDelta as an intern for 3 months. After learning about Life Cycle Assessment during her studies and an exchange semester at the University of Southern Denmark, she is now working on sustainability assessments and getting practical insights into GreenDelta’s work.

Lingjie Ji

Lingjie Ji

Intern

Lingjie is doing her internship at GreenDelta for 3 months. She is studying environmental engineering at the Technical University of Berlin at her 7th Semester. Before she came to Greendelta, she has already been interested in ecodesign. She plans to acquire more knowledge about ecodesign and Life Cycle Assessment during the internship for her later bachelor thesis and master’s study.

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