He wrote his doctoral thesis Temporary gardens in collective spaces researching the phenomenon of ephemeral garden structures and garden as an event. As an artist and designer, he created and was involved in variety of projects regarding shared space – community gardens, local composting networks, community supported agriculture and guerilla gardening. Herman has also worked as a member of an international team on the EU founded (Lifelong Learning Programme) grant ‘EU-teach’ and was engaged in creating an online platform based on knowledge-sharing between landscape architecture departments around Europe.