Leader Bank | 6,963 followers on LinkedIn. Modern banking with a personal touch | Founded in 2002, Leader Bank is a Massachusetts-based entrepreneurial financial institution that approaches banking differently. The core tenets of Leader Bank include client services, exemplary products, and innovation to meet the needs of its clients. Leader Bank’s best-in-class staff has been at the forefront of supporting the bank’s rapid growth and client-oriented solutions, as the bank has continued to expand its commercial and retail products and solutions over the last two decades.