Oliver Hospitality has named Derrek Long as executive chef at The Oliver Hotel Oxford, where he will oversee kitchen operations at Kingswood and the hotel’s food and beverage program, including Nightbird. Long, a Guthrie, Oklahoma native, began working in his family’s steakhouse at 16. He later earned a culinary degree from Platt College and became an instructor there at age 21. His experience includes work across restaurants, country clubs, hot…