Who We Are

Our administrative and clinical professionals are the defining factor that sets our services apart from others in the community. Omni’s staff works to provide leadership, program direction, and clinical supervision for the existing and emerging array of services to children, adolescents, adults, and their families with developmental disabilities and emotional disturbances.

Bill Reay, Ph.D.

President / CEO

Morgan Kelly, J.D., M.A.

General Counsel / Treasurer

Megan Riebe Reay, LIMHP

Vice-President

Amanda Hall, BS

Outpatient and In-Home Services Coordinator

Kris Hess-Tevis, PhD, LIMHP, LPC, NCC

Chief Compliance Officer

Andrea Gregory, PLMHP, PCMSW

Director of Residential Services

Dena Siedenburg, RN, BSN

Director of Nursing

Mindy Marschman, MS

Foster Care Supervisor - Greater Nebraska

Shannon Sieck, LICSW

Director of Seward Family Support Center Therapeutic Group Home

Kate Sorrell, LICSW

Director of Intensive In-Home Services, Omaha

Audrey Wiener, Ph.D.

Director of Psychological Services

Crystal Zabka Belsky, MS, RDN, CSSD, LMNT, LDN

Director of Nutrition, Exercise, and Health Promotion

Kelsey Whiteley, BA

Director of Foster Care Placement Services

Ashlee Pruis-Trapp, B.S.

Director of Substitute Care

Katie Jones, MS, LIMHP, NCC, CPC

Director of Eating Disorders Program

Andrea Kordik, MS, LIMHP, LMFT

Intensive In-Home Supervisor/Therapist- Greater Nebraska

Crystal Morton, M.S. LIMHP, PLADC, LPC, LMHC, NCC

Director of Foster Care Therapeutic Services