As CEO of DeepRoot, Graham leads the development of products and services while managing the sales team and international partners. Since the launch of the Silva Cell in 2007, company revenues have doubled. With 20 years of experience at DeepRoot, Graham has extensive industry knowledge and a clear focus on the challenges and opportunities in green infrastructure innovation. A co-inventor of the Silva Cell integrated tree, soil and stormwater system, Graham is a named patent holder with additional patents pending. Graham holds a B.A. in political science from Brown University. Watch an interview with Graham here.