Stampp Corbin

ATAC President

Founding Member

Stampp is the CEO of a Healthcare Consulting Firm. A serial social entrepreneur, Mr. Corbin has successfully built socially responsible organizations that have achieved annual revenues of over $100 million. As a social entrepreneur, Mr. Corbin’s motto is “doing well by doing good.” For eight years, Mr. Corbin served on the Board of Trustees of Mount Carmel Health Systems, a $1.8 billion hospital system in Columbus, Ohio.

He is committed to advancing the rights of those suffering from substance use disorder and advocating for those organizations that provide critical treatment service.

Mr. Corbin is a graduate of Stanford University and Harvard Business School.

Jim Brady

Board Member

Founding Member

Jim Brady is the co-founder and co-owner with his wife, Patricia Brady, of AToN Center, 4 six- bed addiction treatment centers, located in Encinitas. AToN is licensed and certified by the Department of Health Care Services to provide sub-acute detox and residential treatment, and accredited by The Joint Commission. Mr. Brady has served as the CEO since its creation in 1988 and oversees daily operations.

Mr. Brady spends much of his time on insurance related issues involving denial of care or wrongful underpayments of claims in a capacity of client advocate. This experience has given him much insight into some of the toughest issues currently being experienced by ATAC members. Mr. Brady has assisted with the board in preparation of documentation and strategies presented by ATAC to California’s insurance regulators and state legislators with the goal of helping ATAC members collect reimbursement based on the actual benefits of a client’s plan.

Mr. Brady sits on both the ATAC Underpayments and Legal Committees as well as serving as an active board member. He freely shares information from his long experience with the nuances of processing claims and successfully resolving claim disputes.

Josie Herndon

Head of Marketing

Founding Member

Founder and CEO of Addiction Therapeutic Services and RecoveryView., Josie Ramirez-Herndon been working in the field of Healthcare, Behavioral Health and Addiction Services for over 30 years. She was born, educated, and began her professional career at Loma Linda University Medical Center and Behavioral Medicine Center.

Playing an instrumental role to the success of countless addiction professionals and treatment facilities by marketing their services and providing continuing education over the past 17 years, Josie founded and became the CEO of a national marketing and events agency, Villareal & Associates, Inc.

In 2008, Josie expanded Villareal’s function to include an educational component by launching an award-winning CEU website and online journal, RecoveryView.

In 2011, Josie was appointed as CEO of Oregon’s Astoria Pointe. Seeing first-hand that women CEO’s in the behavioral health care field needed a place for support and advisement, she helped found the Women’s CEO Global Alliance.

Harnessing her knowledge and passion for running high-quality treatment centers, Josie launched her own outpatient treatment center in 2013, Addiction Therapeutic Services.

Josie now sits on the Board of Directors of the Addiction Treatment Advocacy Coalition ATAC, expanding her leadership to include industry and political advocacy along with national speaking.

Luisa Davis

Board Member

Luisa E. Ruiz-Davis’ experience spans more than three decades and she has been involved with a diverse array of clients in this time.  These clients include but are not limited to substance abuse and behavioral health facilities, M.D.’s, D.C.’s, D.O.’s, Ph.D.’s, PsyD’s, hospitals, and multi-specialty facilities.  The services that she provides and is considered an expert in are billing protocols, coding, utilization review, claims appeals, utilization review appeals, revenue cycle optimization, and carrier specific insight and required procedures.

She is a credentialed Certified California Medical Bill Reviewer per the California Department of Insurance, and she is a Certified non-attorney Hearing and Lien Representative for the Administrative Law Court System representing providers, facilities, insurance carriers, and third party administrators.  Her focus has always been on mitigating billing issues and ensuring compliance with all aspects of billing, coding and substantiating documentation, and upcoming legislation pertaining thereto.

She is considered an expert in her field, and she is frequently sought as a consultant by law firms as well as insurance carriers that are contemplating litigation.  Her uncommonly diverse knowledge and experience of the system and its ever changing protocols makes her a tremendous asset to those that seek her assistance.

Frederik Schulin

Board Member

Frederik Schulin brings more than 25 years of experience in behavioral healthcare, entrepreneurship, and digital marketing, with a career focused on advancing substance use and mental health treatment for adolescents and young adults. As Managing Partner of Insight Treatment, Frederik led the growth and expansion of outpatient programs built around peer connection and a community-based “clubhouse” model. Under his leadership, Insight scaled successfully and was acquired in 2024 by Your Behavioral Health, a private equity–backed network. Frederik played a key role in capital formation, operational strategy, and post-acquisition integration. Earlier, Frederik co-founded Euromedicin Aps in Denmark, where as CEO he developed a digital platform that challenged the national pharmacy monopoly and gained attention from regulators and industry leaders. He later served as Vice President of E-Commerce in Los Angeles before transitioning fully into behavioral healthcare. Committed to collaboration and data transparency in a consolidating industry, Frederik joined the ATAC Board of Directors in 2025 to support stronger outcomes and long-term sustainability across the provider community.

Miki Hunter

Board Member

Miki Hunter got into this field when she took the course of Alcohol and Drug studies in 1997. With nearly two decades of experience, she brings a unique blend of clinical insight and operational leadership to addiction treatment advocacy.

In 2007, Miki co-founded Cycles of Change Recovery Services, followed by Design for Change in 2014, where she has played a key role in building two rehabilitation facilities in Antelope Valley. Miki has overseen critical administrative and operational functions, including billing, human resources, compliance, licensing, and marketing. Her work emphasizes accountability, ethical practice, and long-term program stability—ensuring that treatment providers can focus on delivering quality care to those in need.

As a board member of the Addiction Treatment Advocacy Coalition (ATAC), Miki is committed to advancing policies and systems that strengthen access to effective, compassionate substance use treatment and support the providers who serve vulnerable communities.

Sherry Daley

Board Member

Sherry Daley is a leading addiction treatment advocate in California, where she has been instrumental in policy development for the alcohol/drug profession and industry for more than 30 years. Her experience in law and regulation includes engagement in crafting and implementing the state’s coverage for substance use disorder; prohibitions against patient brokering; recovery residence civil rights legislation; enforcement of the state’s parity laws; strengthening regulation of licensed and certified facilities; and developing new regulations for certified counselors. Daley has a Bachelor of Science Degree from the University of the Pacific and a Master of Business Administration Degree from the Thunderbird School of Global Management.