CANTON, MASS. — Two senior-level executives have been hired at Dunkin’ Donuts to support the company’s focus on leadership marketing and operational excellence. Dan Saia was named vice-president of consumer engagement, and Weldon Spangler was named regional vice-president for the Midwest. Mr. Saia will be responsible for the creation, development and execution of Dunkin’ Donuts’ advertising, media and interactive strategies and plans, working closely with Dunkin’ Donuts franchisees to develop innovative advertising campaigns and consumer messaging to support sales growth and enhance brand equity. Most recently, Mr. Saia was vice-president of marketing and communications at Yum! Brands. Mr. Spangler will be responsible for translating the company’s business strategy into day-to-day execution at Dunkin’ Donuts restaurants in the Midwest region. Most recently, Mr. Spangler was a division vice-president for Knowledge Learning Corp. Prior to joining Knowledge he spent nearly 15 years with Starbucks in positions of increasing responsibility, most recently as regional vice-president for the Pacific Northwest region.