Skip to main content

Catherine Derys, LMHC

Staff Licensed Mental Health Counselor
Languages
English
SPECIALTIES
Talk Therapy

Education and training

  • City University of New York Brooklyn College, BS and MA
  • Completed clinical training in Cognitive Behavioral Therapy for Insomnia (CBT-I) through the Beck Institute

Get to know

Catherine Derys, LMHC

Catherine is a graduate from the City University of New York (CUNY) Brooklyn College where she received her Master's Degree in Mental Health Counseling. She is a Licensed Mental Health Counselor experienced in working with adults that struggle with an array of different issues for the past 7 years, both in outpatient and private practice settings. Coupled with her empathic and non-judgmental attitude, she uses a person-centered approach when working with clients. She strives to meet the clients where they are at. Catherine has a passion for helping others reach their full potential, rebuild their confidence, and gain a better insight into themselves through using psychodynamic and CBT interventions. She promotes and encourages "progress over perfection."

Get matched with a clinician like this one

Ready to book your first appointment? Take our 10-minute assessment. We’ll match you with a clinician who meets your needs, has availability, and takes your insurance.

Get started
More Clinicians

Maria Fiore, LPC

Staff Therapist

Maria Fiore is a Licensed Professional Counselor who has experience with a broad range of people and situations. Maria attended school at the University of Houston - Victoria, and practices in Texas. She continues to study and research in order to bring the best quality of care to each individual that she works with.‍In the time that Maria has been a therapist, she has worked directly with clients needing intense inpatient care, clients in an educational setting, and clients in various outpatient settings. She believes that every individual is unique and the care they receive should reflect that. Maria will work with you to develop therapeutic goals so you can grow into being the best version of yourself.‍She bases her treatment approach on Cognitive Behavioral Therapy, with elements of mindfulness and solutions focused therapy. Outside of work, Maria enjoys gardening, reading, and spending time in nature.‍

Geoffrey Edelstein, LCSW

Staff Therapist, Clinical Lead

Geoffrey Edelstein, LCSW, is a Licensed Certified Social Worker. His practice is informed by the latest neuro-cognitive sciences, emphasizing anxiety, depression, bipolar disorder, and other mental health conditions. In addition to working with children, adolescents, and adults, he also works with couples and families. Geoffrey also has experience working with LGBTQ+ clients. Geoffrey received his Master's in Social Work from New York University Silver School of Social Work. Before that, he earned a Bachelor of Arts in English Literature at Drew University. Geoffrey's experience includes Dialectical Behavior Therapy, Cognitive Behavior Therapy, and psychodynamic psychotherapy, but his unique approach to therapy also integrates music, writing, drawing, and origami. In crafting a treatment plan, Geoffrey draws on his years of clinical experience from Four Winds Hospital. There, Geoffrey served as the Coordinator of Children's Services and facilitated care for children ages 8-13 in a Dialectical Behavior Therapy group setting. Geoffrey also worked with adults and adolescents in Four Winds' inpatient units. Prior to this, Geoffrey worked in respite services at Family Services of Westchester and the Federally Qualified Health Center of the Hudson Valley Cerebral Palsy Association. Geoffrey is committed to delivering quality mental health services to his patients and is passionate about helping them reach their goals.

Greta Hicks Brooks, LPCC

Staff Therapist

With over two decades in the counseling field, Greta Hicks-Brooks, LPC, is a seasoned and devoted professional at Talkiatry. Earned her most recent licensure credential, and the one recognized in California is Licensed Professional Clinical Counselor (LPCC). Her background includes roles as a Special Education Teacher, Psychology Instructor, Executive Director, Lead Therapist at an outpatient drug treatment facility, Vocational Rehabilitation Counselor, and Disability Services Counselor.

Greta holds a BA in Psychology from Tuskegee University, an MS in Counseling & Human Development from Troy University, and an MEd in Rehabilitation Counseling from Auburn University. She is licensed in Texas, Colorado, California, and Arizona, and is also a Certified Rehabilitation Counselor (CRC).

Highly structured yet comical, Greta creates a nonjudgmental environment where patients feel comfortable being themselves. Each month, she helps patients set three short-term goals, reflect on accomplishments, and note things they are grateful for—supporting growth, self-awareness, and emotional balance.

During the first session, Greta discusses the reasons for seeking therapy, preferred treatment approaches, and session frequency. She provides homework and clear follow-up focus points, drawing from Client-Centered, Cognitive Behavioral, Dialectical Behavior, Motivational Interviewing, Solution-Focused, and Trauma-Focused therapies. Greta meets clients where they are, fully committed to guiding those ready to make meaningful, lasting change.

Andrea Hamilton, LPC

Staff Therapist

Andrea Hamilton, LMHC, MBA is a Licensed Mental Health Counselor with over 20 years of experience providing compassionate and effective therapeutic care to individuals, families, and groups. Throughout her career, she has worked across diverse settings, including educational institutions, foster care systems, group homes, government agencies, and healthcare organizations. This extensive background has equipped her to address a wide range of mental health challenges, including anxiety, depression, trauma, relationship issues, and life transitions.

She holds a Master of Education and an MBA from Florida Atlantic University, along with a Bachelor of Science in Psychology with a minor in Criminal Justice. She is CFARS Certified, and a Qualified Supervisor in the State of Florida. Her commitment to professional growth is evident in her numerous certifications and specialized training in ethics, trauma processing, domestic violence, and online counseling.

In addition to her clinical expertise, Andrea Hamilton has served as an adjunct professor and leader in clinical operations, further demonstrating her dedication. She is committed to delivering accessible, high-quality care tailored to the unique needs of her clients.

Nisha Saintelus-Deratus, LPC

Staff Therapist

Nisha Saintelus Deratus, LPC, is a proud HBCU graduate of Prairie View A&M University with a Master’s in Counseling and over eight years of experience in the mental health field. She has provided care in inpatient psychiatric hospitals, partial and intensive outpatient programs, community mental health, and private telehealth practice. Nisha supports clients facing anxiety, depression, trauma, grief, bipolar disorder, life transitions, anger management, and relationship challenges.

Nisha offers a warm, approachable, and nonjudgmental space where clients feel seen and supported. She believes in a collaborative approach to therapy, working alongside clients to identify the root of their struggles and develop a personalized plan for growth and healing. Her personable nature and tailored care help clients feel comfortable and empowered throughout the process.

In the first session, Nisha reviews teletherapy expectations and confidentiality, and conducts a psychosocial assessment to better understand your background and goals. Together, you’ll explore current challenges, create a vision for your future, and build a practical plan. Using CBT and ACT, she helps you develop tools and insights to apply between sessions for continued progress.

Joel Witherspoon, LCMHC

Staff Therapist

Joel Witherspoon is a licensed Clinical Mental Health Counselor with over 20 years of clinical experience working in various mental health settings, working directly with clients from diverse backgrounds living with a broad range of mental health conditions. Joel earned his Undergraduate degree at California State University Long Beach, Graduate School at East Carolina University, Greenville, NC, and completed his internship in Raleigh, NC. Joel has been practicing for 19 years as a Licensed Clinical Mental Health Counselor, focusing on mood disorders, trauma, situational adjustment disorders, and any life challenge that interferes with a client's happiness. Working with Joel, treatment is specific to the individual with the focus on modalities that are specific to each person's challenges. Joel uses an eclectic approach with a foundation in person-centered therapy, cognitive behavioral therapy, dialectical behavioral therapy, interpersonal therapy, and trauma therapy combined with somatic interventions such as mindfulness.

Ready to get matched?

Start our short assessment
Specialties
Talk Therapy
States
New York
Languages
English
Takes insurance
Virtual visits
8 years experience