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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. Prior to launching Arhstone Behavioral Health, Mo worked within the corporate structure managing 10 treatment facilities is several U.S. states ensuring clinical fidelity and oversight of multiple financial metrics cross the network. 20 years ago, Mo began his career as a BHT while attending Fordham University Graduate School for clinical social work, with a primary focus on addiction treatment. He then went on to “wearing several hats” including primary therapist, clinical director, director of operations, and CEO of 2 others addiction treatment companies. Mo lives with his wife Michelle and their 3 children in Boca Raton FL.

Aron Hacoen

Chief Financial Officer
Aron, serves in the capacity of CFO for Archstone Behavioral Health. Prior to joining the Archstone team, Aron Co-Founded 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. Subsequently, Aron served in a number of key operational finance roles at Centers for Care (a large-scale owner/operator of skilled nursing facilities), including AP Director, Purchasing Director, Revenue Cycle Director and Controller. Thereafter, Aron led the development of an in-house back-office, including revenue cycle, accounting and accounts payable, for a national provider of substance use treatment services; Aron successfully managed the company’s financial operations through rapid growth and a sale to a private equity investor.

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. In 2008, Dr. Toledo participated in and was certified in the continuing medical education activity entitled Buprenorphine and Office-Based Treatment of Opioid Dependence from The Medical University of South Carolina during which began his quest to found and head Neuropsychiatric Addiction Clinic. Dr. Toledo is a brain specialist with particular competence in addiction medicine and out-patient detoxification treatment. He is certified to prescribe Buprenorphine (Suboxone). He incorporates his background in neurology into the addiction field . Dr Toledo is member/fellow of The American Medical Association, The Florida Medical Association and The American Society of Addiction Medicine.

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. All while making sure the clients needs are being met daily. It is her passion to help those in need get what they need to start a new way of life. In her time away from Archstone she loves spending time with her daughters.

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. Christin is a dedicated advocate to de-stigmatize substance use disorder and co-occurring mental health issues. She chose to work at Archstone because they offer treatment in a smaller intimate environment that allows our staff to focus on quality care rather than focusing on quantity. The patients at Archstone receive the attention they need as individuals to progress into their best version of themselves.

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. As a licensed therapist, Marie is well versed in treatment of addiction, depression, trauma, anxiety and other psychiatric disorders. Marie has the unique ability to leverage her years of clinical knowledge and deep intuition which enables her to direct the team of clinicians and guide the therapeutic design of Archstone’s core program. Marie is truly dedicated to her work and has high hopes for the advancement of mental health awareness and treatment across the nation.

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. She eventually went on to manage a team of admissions specialists, and had helped place thousands of people in treatment.
Today, Daria and her team ensure that each patient and their families feel as comfortable as possible as they embark on a new chapter of their lives. She oversees the entire admissions process and is involved in every case hands on- from the very first phone call, to their first day on our campus. Daria has had hands on involvement with each and every client that has walked through our doors and is passionate about helping both patients and their families to recover from the effects of addiction, and to get everyone the help they deserve.
Tyler - alumni

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.
Front view of Archstone Behavioral Health

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.