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Archstone Behavioral Health

Our Staff


At Archstone, we want our clients to find their village, their community. We understand that quality care starts with a caring community. Archstone Behavioral Health has been a part of the Lantana, Florida community for almost twenty years. We have strong community ties and support a continued family of alumni with weekly meetings and other events. We invite you to learn more about our mission and about our unique cutting-edge programs.

Our team is made up of industry leaders that promote clinical excellence, compassionate care, and individualized treatments. You can learn more about our team by checking out their bios below.

Moshe A. Yachnes,(LCSW, SCAT)

Chief Executive Officer

Mo Yachnes is known for his visionary approach in building organizations through strategic leadership within the healthcare space. He has a proven track record of successful patient outcomes by combining his clinical knowledge and ability to successfully track and direct function area leads. He has successfully leveraged payer-mix optimization into healthy financial conversions within addiction treatment programs. He is known for his hands-on leadership approach and works closely with his team on a daily basis.

Aron Hacoen

Chief Financial Officer

Aron, serves in the capacity of CFO for Archstone Behavioral Health. Aron is also the co-founder and CFO of Prosperity Behavioral Health (a leading provider of revenue cycle and back-office services and advisory support to mental and behavioral health facilities). With 10 years of healthcare finance and back-office experience, Aron began his career in public accounting at Loeb & Troper, where he specialized in healthcare and not-for-profit clients.

Jose R. Toledo, MD

Medical Director

Dr. Toledo is a neurologist with 25 years of experience and has been in private practice since 1991 on the Treasure Coast of Florida. Dr. Toledo completed his neurology training at the State University of New York and his Fellowship training at the University of Pittsburgh in Epilepsy and Clinical Neurophysiology. He also completed 24 months of acute inpatient psychiatry at the Western Missouri Mental Health Center, University of Missouri in Kansas City.

Brianne Messisco

Director of Operations

Brianne serves as the Director of Operations here at Archstone Behavioral Health. She has been working in the substance abuse and mental health field for over 20 years. She has worked locally at long standing facilities with wonderful reputations. Brianne oversees the day to day operations with clinical, housing, all staff management, as well as compliance.

Christin Protesto MSN-Ed, RN

Director of Nursing

Christin is a registered nurse with 15 years of clinical experience working with individuals with substance use disorders. She has also recently worked as a professor of nursing for a local state college. Christin earned a master's degree in nursing education in 2017 and will graduate with a doctorate in nursing practice in 2020. She enjoys working in substance use because it is still poorly understood and is an emerging science.

Marie Kraemmer, LMHC

Clinical Director

Marie Kræmmer is a licensed Mental Health Counselor from Palm Beach Gardens, Florida. She earned her Master’s degree in Mental Health Counseling from Nova Southeastern University graduating with honors. The core of Marie’s passion is believing that healing is a collaborative endeavor that requires evidence-based practices and interventions applied with an honest and non-judgmental approach.

Daria Pankova

Director of Admissions

Daria Pankova is originally from Brooklyn, New York and serves as the Director of Admissions at Archstone Behavioral Health. She moved down to South Florida in 2013, and began work in the addiction field shortly after. Her determination to help struggling addicts and alcoholics started in alumni services, where she helped support her clients post treatment. She moved on to the admissions field, and took pride in being the first contact, the voice that guides prospective clients through the hardest part of the journey of recovery - taking the first step to getting help.

Tyler McLain

Alumni Coordinator

Tyler McLain is the Alumni Coordinator at Archstone Behavioral Health, where he focuses on creating and maintaining relationships with the Archstone alumni community. He was a past client over 3 years ago and recently joined our team! Tyler uses his past experience, high energy, and personal passion for recovery, to be an asset to all the alumni on their path through recovery. He has a Bachelors Degree in Biological Sciences from Arizona State.

You can take a tour of our facility and find out more about why Archstone Behavioral Health is second to none for addiction treatment and recovery care.

Want to learn more? Contact us at (561) 264-4961.

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