Our Team

Your time and care are important to all of us at Oxford Recovery Center.
You will have our full attention when receiving therapies at our center. We look forward to serving you.

Executive Directors

Tami Peterson, PhD

Founder & CEO

Gary Marken, CHT

Executive Director of Operations

Blake Powell

Executive Director of Special Projects

Casey Diskin, MA

Executive Director of ARTS

Medical Team

Christian Bogner, MD

Medical Director

Elizabeth Terry, RN, BSN

Lead Nurse – Brighton

Laura Tate

Director of Patient Care – Troy

Cara Egan, RN

Director of Patient Care – Brighton

Maggie Yaklin

ARTS Nurse – Troy

Administrative Team

Cheryl Wasilewski, MBA

Director of Marketing

Jeff Mosteller

Troy Manager

Melissa Borgman

Bookkeeper, Human Resources Administration

Bowen Geng, EMT-B

Research Coordinator & Lead Neurofeedback Technician

Rebecca Horning

Administrative Assistant to Special Projects

Madison Kautman

Administrative Assistant in Communications

Brendan Merians


Hospitality Team

Christina Prince

Barb Morrissey

Shauna Madden

Danielle Fraser

Scheduling Team

Amy Sussman

Billing Team

Cristina Uribe-Long

Medical Biller

Sherrie Siebert


Emma Newhouse

Billing Cycle Manager

Therapy Team

Andrea Walker, DPT

Physical Therapist

Priyanka Villanassery, DPT

Physical Therapist

Denise David, OT

Occupational Therapist and Pilates Instructor

Kelly Hartigan

Speech Therapist

Julie Jump, OTR

Occupational Therapist

Rachael Smith

Clinical Fellow Speech Therapist

Hannah Zwiernik

Occupational Therapist


Applied Behavior Analysis (ABA) Team

Alaina Voller, MS, LBA, BCBA

Lead BCBA – Brighton

Lisa Mosa, MA, LLPC, LBA, BCBA

Lead BCBA – Troy

JeAnnah Powell

Program Manager, Culinary Nutrition Chef

Lindsey Brockie

Supervising Technician

Nicholas Pfent

Music Therapist

Hyperbaric Technicians

Blake Hague, EMT-B

Hyperbaric Technician – Brighton

Andrew McMullen, EMT-B

Hyperbaric Technician – Brighton

McKenna Graham

Hyperbaric Technician – Brighton

Samuel Manees

Hyperbaric Technician – Troy

Estevan Osorio, EMT-B

Hyperbaric Technician – Troy

Neurofeedback Technicians

Bowen Geng, EMT-B

Research Coordinator &
Lead Neurofeedback Technician

Andrew McMullen, EMT-B

Neurofeedback Technician

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