Bank Policy Institute | 8,284 followers on LinkedIn. At the Bank Policy Institute, We Put Research at the Center of Everything We Do | The Bank Policy Institute (BPI) is a nonpartisan public policy, research and advocacy group, representing the nation’s leading banks. Our members include universal banks, regional banks and the major foreign banks doing business in the United States. Collectively, they employ almost 2 million Americans, make 72% of all loans and nearly half of the nation’s small business loans and serve as an engine for financial innovation and economic growth.