 BOSTON--BUSINESS WIRE-- Calhoun--TIS Treasury Intelligence Solutions Inc, a leading cloud platform vendor for corporate payments, announced today that it has appointed Chris Calhoun as CEO, Americas, as part of its commitment to its strategic focus on the US market. Chris Calhoun will transition out of his current position as Board Director and join the Executive Team to lead all TIS activities in the US, the companys largest growth market. In this role, he will report directly to Erik Masing, Globa 