Boca Behavioral Health

399 W. Palmetto Park Road

Suite 106

Boca Raton, FL 33432

Anastasia Leondis,

Licensed Mental Health Counselor 

National Board Certified Counselor

Qualified Supervisor

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Tiffany Yaker, MS

I’m delighted to join the professional woman at Boca Behavioral Heath and would like to share about my professional experience. I’ve been described as down-to-earth, highly knowledgeable, experienced and a enthusiastic therapist. It’s been over twenty years that I’ve been working in the field, specializing in education & mental health needs, which plays a huge role my therapeutic approach. As a graduate from Johns Hopkins University, in 2001, I’ve worked as a leader in my field of Community Counseling, while working with children, adolescents, young adults & their families. Families who are experiencing any discord, anxiety, stress, conflict, trauma, parent-child issues or special-needs related challenges I welcome to my practice and confidently feel you will benefit from my services. I understand that my clients and their family’s personal journey is unique, therefore, my approach is tailored to fit everyone’s specific needs. My therapeutic style is direct but supportive. My clients have described their families experience as life changing.  Especially when they are able to watch their child’s confidence grow, which has lead to very constructive, transformative, and a positive impact on the family unit. I strive to create a nonjudgmental, comfortable, and safe space. It is my mission to work in conjunction with individuals and families to identify strengths through a holistic approach (looking at various aspects of health, wellness, patterns, and environments). My therapeutic practice blends a variety of techniques ranging from cognitive-behavioral, mindfulness, solution-focused, family systems, rational-emotive and play therapy. I’ve specialized in work with anxiety symptoms (including perfectionism, and withdrawing from school or social situations), impulsive or self-harming behaviors, self-esteem, depression and other mood disorders. Additionally, I have extensive experience working with families of young children who exhibit challenging or defiant behaviors. 


As therapists, we know that your child can heal. I have worked with many professionals and have found that I can offer a unique ability to tap into your child’s natural gifts, so they can achieve meaningful change. I will use fun, evidenced-based and individualized approaches to treatment. I incorporate play therapy into my practice as often as possible. Some of the many benefits of play therapy: expanding self-expression, self-knowledge, self-actualization and self-efficacy. Play relieves feelings of stress and boredom, connects the therapist with the client in a positive way, stimulates creative thinking and exploration, regulates emotions, and boosts egos (Landreth, 2002). 

My techniques work to refine communication issues, address mood changes, explore relationship struggles and I find it empowering to demonstrate for my clients to create a self-fulfilling and evolving therapeutic experience. I make it my mission to bring a very large heart and professional approach to supporting and advocating for individuals on the Autism spectrum, as I bring an understanding of the Applied Behavioral Analysis approach to behavior modification. My passion for understanding, supporting, modeling and teaching children with learning disabilities, developmental disabilities and intellectual disabilities is what makes your time with me unique and my priority. I have advocated for children, over the past twenty years, helping many families who have faced challenges with understanding their due process rights to educational accommodations and services.

See you soon.  Tiffany