Our Staff

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 Archstone Behavioral Health, Mo worked within the corporate structure managing ten treatment facilities in several U.S. states ensuring clinical fidelity and oversight of multiple financial metrics across 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 “wear several hats” including primary therapist, clinical director, director of operations, and CEO of two other addiction treatment companies. Mo lives with his wife Michelle and their three children in Boca Raton, Florida.

Aron serves as the 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 health and behavioral health facilities. With ten 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, managing 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.

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 at the University of Pittsburgh studying 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 he started the Neuropsychiatric Addiction Clinic. Dr. Toledo is a brain specialist with particular expertise 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 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 at Archstone including clinical, housing, compliance, and staff management while making sure our patients’ 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.

Originally from Brooklyn, Daria moved to South Florida a decade ago and joined the behavioral health field shortly after. Today, she serves as Archstone’s Director of Admissions, where she has helped thousands of individuals struggling with mental health conditions and substance use disorder improve the quality of their lives through treatment.  Her role focuses on the ‘behind the scenes’ of the admissions and treatment process – from insurance verification to intervention.  Daria prides herself in leading a team of compassionate and empathetic individuals whose focus is guiding patients through the hardest part of their recovery journey–reaching out for help. In her time away from Archstone, Daria enjoys traveling with her husband and cooking.

Jason was born in Queens, New York where he was raised in a Greek household. Jason battled with addiction for several years in New York before he finally surrendered. On May 5th 2014 Jason made the difficult phone call to Archstone Behavioral Health and was on the next flight to Florida. After finding a sponsor and working a 12 Step Program, Jason found a new passion for helping others who suffered with addiction just as he did. That is when Jason started his career in the Substance Abuse field. In his professional career, Jason has experience with Case Management, Admissions, and even as a Behavioral Health technician. Jason was able to fulfill his dreams by now playing an important role as “Director of Business Development” here at Archstone Behavioral Health, where it had all started for him. Jason’s hobbies are going to the gym, playing softball, and spending time with his two dogs; lvy and Iris.

Jeff is our Behavioral Health Technician (“BHT”) Supervisor. As the Supervisor he oversees all BHT functions, coordinating the day-to-day operations of the staff and developing client rapport in the process. He has served the South Florida recovery community and worked in the substance abuse field for more than 15 years, holding a variety of different positions – from the Director of Education at the Broward Outreach Center to the Director of Client Services for Palm Beach Outpatient Detox – always with one common thread at the forefront – to deliver a message of hope to those still sick and suffering from addiction related issues. Jeff is passionate about sharing his experience, strength, and hope with our clients on a daily basis. Jeff grew up in Miami, he is happily married, and currently resides in Boynton Beach Florida.

Mary is  the Director of Nursing at Archstone behavioral health. As nursing director, she oversees the functioning of the medical department, which includes nursing supervision, direct patient care and ensuring compliance and safety measures  that are so important in providing the best healthcare experience. Mary studied nursing at Brevard College in Central Florida and Psychology at Florida Atlantic University . She has worked in all aspects of the healthcare field for over twenty years and has been a certified addiction nurse for the past 11 years. Mary is dedicated to helping patients and their families understand addiction and mental illness. Mary enjoys working at Archstone because the patients really receive individualized attention and the medical and clinical teams work together for the best outcome of every single person. In her spare time away from Archstone, Mary enjoys running, exercising and has completed the New York City Marathon, which was her greatest bragging point until the birth of her first grandchild!

Marie Kræmmer has over a decade of widespread leadership experience in the field of substance abuse and mental health. Currently she is overseeing Archstone’s clinical program development and compliance department. Marie strives to ensure that Archstone Behavioral Health remains a treatment facility that stands apart from all others, providing a treatment experience for clients that is rooted in excellence.

Marie Kræmmer is also a licensed Mental Health Counselor.  She earned her Master’s degree in Mental Health Counseling from Nova Southeastern University graduating with honors.

Daphne Dorce, MD , is a graduate of Case Western Reserve University School of Medicine. She trained in general psychiatry at the Harvard Longwood Psychiatry Residency Training Program, child and adolescent psychiatry at the Yale Child Study Program at Yale School of Medicine, and forensic psychiatry at the Cornell/Columbia University Psychiatry and Law Program.

Dr. Dorce has been practicing since 1999, the last 17 years in South Florida, at various locations including: substance abuse rehabilitation centers, community mental health centers, and the Palm Beach County Jail. She currently dedicates her professional time treating patients with addiction disorders consisting of the following: alcohol, benzodiazepines, stimulants, cocaine, opioids as well as other drugs. Additionally, Dr. Dorce evaluates, diagnoses and treats patients with other mental health disorders such as: major depression, bipolar disorder and generalized anxiety disorder.

Dr. Dorce, is board certified in general, child and adolescent and forensic psychiatry.

Devora has over a decade of experience working within both clinical and academic research settings. Devora specializes in the treatment of addiction and trauma, as well as clinical program design that is tailored to meet the unique clinical and cultural needs of members of the Orthodox Jewish community. Devora holds a Masters in Social Work from Florida Atlantic University, a Masters in Science from Glyndwr University, UK and currently completing a PhD in the Psychology of Religion at the University of Warwick.

Gwen has over 25 years of experience in the field of substance abuse and mental health, where she has worked in various programs, bringing a strong background in Case Management and Operations. Gwen’s 30 years in recovery provide her with the ability to understand the needs and expectations of patients when it comes to residing in a safe, clean, and positive environment. She believes in the importance of being a role model and leading by example. Gwen takes great pride in being an employee at Archstone Behavioral Health, as evidenced in her daily care and interactions.