Leadership Team

Donna L. Johnson has over 25 years of experience working with substance use disorders, criminal justice and integrated care. She has a long history of increasing profitably, growing and enhancing programs, while ensuring quality services for programs in all levels of care.  Donna has significant knowledge of legal/judicial issues and an excellent understanding of organizational systems and processes. She has a special interest in international work, providing consulting, Matrix model training and various behavioral health and criminal justice topics training to many countries that include: South Africa, Netherlands, New Zealand, Australia, Germany, Canada, United Kingdom, to name a few.   Donna believes that staff training, demonstration of skills and clinical supervisions are the keys to quality care and she values the role that Matrix offers to agencies through the training, consulting process and Key Supervision component.

Donna has been a consultant and trainer for the Matrix Institute on Addictions for over 17 years and is the lead author on the Matrix Model for Criminal Justice.  She has also worked as a contributor on several other Hazelden publications, and she is a trainer for Hazelden Betty Ford Foundation.  Donna has written numerous magazine articles and has been featured on CBS Atlanta, PBS, CNN and Fox News on various addiction issues.

She served as the Director for a large community mental health center, overseeing all levels of care including detox, inpatient, crisis stabilization, intensive outpatient, residential, women’s programs and adolescent services.  In addition, she worked in several areas of the criminal justice system including:  corrections, drug courts, community supervision and youth justice.  Donna also worked with a large hospital system to integrate behavioral health and trauma informed care into their primary care system.

Donna founded her own company, Addiction Solutions of Georgia, Inc., where she specialized in consulting and training in substance use disorders, criminal justice, tele-mental health and integrated care. She has provided consulting and training to numerous state addiction authorities, CSAT projects, hospitals, drug courts, agencies, Fortune 500 companies and many criminal justice programs.  Donna has been a speaker and keynote for numerous national and international conferences, including the National Association for Drug Court Professionals Conference and the National Conference on Addictive Disorders and the United Kingdom and European Symposium on Addictive Disorders.

Shireen Ossanlo is a development professional with over 13 years of experience working for established nonprofit organizations, such as the YMCA and Archdiocese of Los Angeles. Shireen has dedicated the past eight years to the marketing and advancement of youth through education. Most recently serving as the Executive Director for the Torrance Education Foundation, which funds 31 schools and 23,000 students per year.

Shireen possesses a background in fundraising, capacity building, marketing, event planning, grant writing, capital campaigns, major gifts, planned giving, nonprofit operations, board development, alumni relations, management, and customer service for small to medium-size nonprofit organizations. She specializes in board development with certificates from the Annenberg Foundation- Alchemy and Alchemy+ programs and the Executive Service Core- Developing Development Program.

A West Los Angeles native, Shireen is passionate about making a difference in the community she grew up in. Shireen has a Bachelor of Arts degree in Communications from California State University of Northridge. She is dedicated to positively impacting people’s lives and advocates for those marginalized by society.

Ken Simms is a proven professional in the Greater Los Angeles Area; he has over 20 years of experience working with small to medium-sized organizations as a key member of executive management. He has worked in multiple industries including service, technology, manufacturing, commercial real estate, and not-for-profit sectors. He has been responsible for business planning, strategic development, cash management, vendor management and monthly closing process. He specializes in systems conversions, operational streamlining. He has participated in due diligence for merger and acquisitions, post-acquisition restructuring, and implemented cost cutting initiatives. He has been responsible to report to bank officials and various board of directors. Additionally, he has managed numerous standard, forensic and municipal audits. Mr. Simms has a BA from the University of Southern California in Business Administration with an emphasis in Accounting.