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, LIMHP

Vice-President

Mary Michele Ellis, RN, BSN, JD

Director of Nursing

Amanda Hall, BS

Outpatient and In-Home Services Coordinator

Kris Hess-Tevis, MS, MA, PhD Candidate, LIMHP, LPC, NCC

Director of Compliance

Andrea Gregory, B.A.

Director of Residential Services

Teresa Ward, M.S.

Vocational Services Administrator & In-Home Therapist, Omaha

Mindy Marschman, MS

Foster Care and Extended Family Home Supervisor - Greater Nebraska

Kendal M. Osbahr, M.S., LMHP

Director of Foster Care Services

Shannon Sieck, LICSW

Director of Seward Family Support Center Therapeutic Group Home

Kate Sorrell, LICSW

Director of Intensive In-Home Services, Omaha

Lewis Ruberti, B.S.

Vocational Services Supervisor

Audrey Wiener, Ph.D.

Director of Psychological Services

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

Director of Nutrition, Exercise, and Health Promotion

Ashlee Pruis-Trapp, B.S.

Director of Extended Family Homes

Katie Jones, MS, LIMHP, NCC, CPC

Director of Eating Disorders Program