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The Cornerstone Team

Everyone on staff at Cornerstone Healing Center is living a life free from active addiction. We’ve helped hundreds of people find long-term, meaningful sobriety — and we can help you, too. But you have to take the next step.

TEAM 1

Estil Wallace

Founder/CEO

TEAM 2

Karen Kritzstein

Clinical Lead

TEAM 3

Leslie Renkin

Trauma Therapist

Brayden Younghusband Phoenix

Brayden Younghusband

Operations Supervisor

TEAM 4

Lisa Gilbert

Yoga Instructor

TEAM 5

Marcus Clark

Executive Director

Dr. Stephen Locnikar D.O

Dr. Stephen Locnikar

Medical Director

TEAM 6

Celia Cacciotti

Human Resources

TEAM 7

Max Perez

Behavioral Health Technician

TEAM 8

Yun Wang

Yoga Instructor

TEAM 9

Scott Brunst

Director of Admissions

Dr. Rebecca Knowles, OTD, OTR/L, RYT

Dr. Rebecca Knowles

Occupational Therpist

TEAM 10

Sead Hasic

Admissions Coordinator

Nate MacKamie - Behavioral Health Technician

Nate MacKamie

Behavioral Health Technician

TEAM 11

Sharmyn Townsend

Life Coach

TEAM 12

Stacey Smith PhD

Chief Clinical Officer

TEAM 13

Lionel Estrada

Counselor

TEAM 14

Jake Graham

Fitness Instructor

TEAM 15

DJ Cruse

Navigator

TEAM 16

Erin Cardin

Music & Art Therapist

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We are top-rated for drug and alcohol addiction treatment. With a surge in opiate addiction, our team knows first hand the dangers that are accompanied by addiction. Cornerstone uses science & spirituality to help addiction treatment in the Scottsdale and Phoenix areas. If you or a loved one is struggling with addiction, we have a solution that can help you reclaim your life.

7655 E Redfield Rd Suite 4
Scottsdale, AZ 85260

800-480-1781