Jan 12, 2022 · New CEO on the Ground at Merit Health Biloxi 1/12/2022. Landon Hise, a tenured healthcare executive passionate about quality and the patient experience, started as CEO at Merit Health Biloxi on Jan. 1. Hise and his family relocated to Biloxi from Oklahoma, where he served as CEO of AllianceHealth Woodward, an 87-bed hospital..