Jack Pynn Jack manages all of the activity at our central Castan woodland, and in the East of Suffolk. Prior to working for Green Light Trust, Jack worked as an Arborist, advising on and carrying out tree management operations for a wide range of clients. His career experience also includes time as an FE Lecturer in Forestry and Arboriculture at Easton and Otley College. Whilst there, Jack taught both practical skills and arboriculture theory. Jack is passionate about sharing his knowledge and experience of trees with others.