Evansville-based Vectren Corp. has announced changes to its executive leadership team. Susan Hardwick and Rick Schach have both been promoted to executive vice presidents. Hardwick currently serves as senior vice president and chief financial officer. She has worked for the company since its inception in 2000. Schach currently serves as senior vice president of utility operations and president of Vectren Utility Holdings Inc. He will also keep the title of chief operating officer. Jon Luttrell, who currently serves as vice president of energy delivery, will take over Schach's role. Lynnae Wilson, who is currently the director of engineering and systems operations, will take over for Luttrell.