Jan Denneman is the Chairman of the Board of The Good Light Group, a global non-profit organisation promoting the benefits of…
‘We are living in biological darkness’ – In Conversation With Jan Denneman
![The Good Light Group](https://lystechnologies.io/wp-content/uploads/2020/07/good_light_resized_TRANS.png)
Jan Denneman is the Chairman of the Board of The Good Light Group, a global non-profit organisation promoting the benefits of…