ACI Worldwide, the payment systems firm, has appointed Daniel Frate as executive vice president for global markets and product management. He was previously executive vice president and head of products and pricing at PNC Bank. He will be based in Naples, Florida. David Morem, the current executive vice president for global products and a senior executive of the firm, will become executive vice president for global maintenance. Ralph Dangelmaier, executive vice president for global markets, will lead to head a privately-held company.