Express Energy Services named Kyle Lorentzen executive vice president and chief financial officer (CFO). Lorentzen, a 25-year finance veteran, will be based at the company’s headquarters in Houston. He previously served as chief executive officer (CEO) of Constellium Rolled Products Ravenswood, a rolled aluminum products plant. He was also the chief operating officer (COO) of Noranda Aluminum. Lorentzen holds a BS in economics from Wake Forest University in North Carolina and an MBA from the University of Massachusetts.