Recovery Knowledge Base

Addiction & Recovery Articles and Resources


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recovery knowledge base

These articles are intended to provide help for those struggling with addiction, as well as their loved ones. Learn about the treatment and recovery process and how Cornerstone can help you through this difficult process. 

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Meet Our Recovery Knowledge Base Contributors

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Estil Wallace


Estil is a well known recovery expert who has over 13 years of experience in the recovery field. He has served as the organization’s’ Executive Director, Board Member and President.

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Susana Spiegel

Recovery Writer

Susana is a recovery, mental health, and addiction education enthusiast with 8 years in addiction recovery. Susana holds a Bachelor’s in Theology from GCU and is committed to providing factual information on addiction and recovery.

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Dane Perikly

DUI Education Writer

Dane is the Director of Virtual services at Cornerstone. He also contributes factual guides on DUI education so that you can understand all there is to know about DUI laws, DUI education, getting through the process of dealing with a DUI, and getting back on the road. 

julie miller recovery writer and author

Julie Miller

Recovery Writer

Julie is a recovery advocate, with over two years sober. She is a recovery speaker who believes people can change for the better. Her mission is to write factual, helpful information about addiction, treatment, and recovery. She believes that no one should be left in the dark at any stage of their recovery. 

Meet Our Recovery Knowledge Base Clinical Reviewers

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Lionel Estrada, LISAC

Content Reviewer

Lionel, a Licensed Independent Substance Abuse Counselor (LISAC) with over 4 years at Cornerstone. Passionate about helping those with addiction, he has trained as an EMDR therapist adopting a trauma-informed approach to treat the underlying issues of addiction, providing an empathetic approach to addiction.

karen williams, lpc

Karen Williams, LPC

Content Reviewer

Karen is a Licensed Professional Counselor who specializes in Addiction Treatment, EMDR, and Family Systems at Cornerstone.  Karen has a Master’s Degree in Professional Counseling from GCU and 15 years of experience. She was Cornerstone’s Clinical Director for over 3 years. 

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