Oxford Exchange owners plan 550-acre wellness retreat near Dade City

TAMPA, Fla. - Blake Casper and his sister Allison Casper Adams, the owners of Caspers Company and Tampa's Oxford Exchange, plan to build a 550-acre wellness retreat called Clay Hill near Dade City. Oxford Exchange owners plan retreat Blake Casper, the CEO of Caspers Company, is partnering with his sister, Allison Casper Adams, to launch the 130-room wellness resort. The 550-acre property spans…