Barclays Wealth, rapidly bulking up its U.S. business in the wake of the financial crisis, intends to accelerate its hiring efforts over the next two years. The Barclays unit on Monday said it hired seven advisers with a combined $2.24 billion in client assets and who generated $17 million of revenue in the past year. The new investment representatives expand the London-based bank’s presence in Boston, New York, Atlanta and Chicago. Barclay’s says it has hired 50 advisers in the Americas this year, giving it 250 representatives across the region.