Celli joined the Climate School in 2022 to expand the climate training into the UK and US by supporting large companies in engaging and upskilling all their employees to create the necessary baseline of understanding of sustainability.
In recent years Celli has expanded into in person/online training covering topics from every job is a green job, adaptation, greenwashing, life cycle assessments and sustainability issues concerning AI. This includes lectures, webinars, facilitation or keynote speaking.

Previous experience has always been in this ecosystem from online education delivery with universities, sustainable transport and behavioural change consulting in London and completing a masters in Finland focusing on digital and sustainability education and an undergraduate in international science focusing on chemistry. He is an experienced communicator always focusing on the necessary role education has in transformation all.