A resident of Killingworth, CT, John Sulzbach serves as plant manager at Astroseal Products. Also a graphic designer and carpenter has been in the tree industry since 2013, when he obtained his Connecticut arborist license. Beginning this year, John Sulzbach will be registering a new tree business named Proper Tree. Proper Tree will serve the Killingworth, CT, area in the pruning and removal of trees as well as tree health and tree danger assessment.