Betsy and Ridley Wills have serious street cred in 37205. Generational. They could have kept things cozy, Belle Meade style, but playing it safe just isn’t the way they roll! Ridley started his own company (you’ve heard of it), and Betsy’s had her hand in multiple businesses, most recently eMDiscovery and YouScience. They bought a classical Georgian home a few years back, but there’s not …