Contributing author to "Contagious Optimism" David Martin is certainly an up-beat guy! He is also a CEO of INDX Strategies Wealth Management and also founder of Marin the Hiking Club. That is an indicator about David's balance, his passion keeps him vibrant in a life he dearly appreciates. His optimism permeates all aspects of life and he doesn't have his head in the sand. Engaging, introspective and just plain fun.