Wells had been a senior Internet manager with A.G. Edwards in St. Louis.
Erin Eschen Liford, meanwhile, joined Scottrade as search marketing lead and Web master of Scottrade.com. She will manage the firm's paid and natural search marketing and serve as the manager and Web master of the firm's public Web sites, including Scottrade.com, which is one of the Internet's busiest Web sites.
Prior to joining Scottrade, Liford held multiple positions at Belleville, Ill.-based MonsterCommerce.