Tom Deierlein, the Co-Founder and Chief Executive Officer of ThunderCat Technology and the TD Foundation, joins Happy Marketer Connection to discuss Grit. Hear why grit is the most important success factor and how to train yourself to have more, why you need to be setting SMART goals, leading during times of crisis, and how Tom survived and thrived after receiving a Purple Heart in the Army. Connect with Tom on LinkedIn and Twitter at @TomDeierlein and at TDfoundation.org