Meet the knowledgeable, caring staff members at Lakeland Behavioral Health System. Executive TeamNate Duncan, LCSW Chief Executive OfficerJohn Kellerman, RN Chief Nursing OfficerDamon Longworth Chief Financial OfficerRichard Aiken, MD. Medical DirectorNate Schwartz, BA Director of Risk ManagementMichaela Hill Director of Human ResourcesMark David Director of Rehabilitation ServicesKaycia Turner, BS, BA Director of Business DevelopmentPamela, LCSW Intake DirectorSam Gerla, EdD LRH School PrincipalRebecca Granden, LCSW Chief Operations Officer