Sibi Selvarajah, LCSW

Keesha Barthelemy is a Licensed Mental Health Counselor, and a Credentialed Alcoholism and Substance Abuse Counselor Level-2. She has extensive experience working in the mental health and addictions field with adolescents, emerging adults, adults, and families. Keesha has worked directly with clients of various demographics, living with a variety of mental health conditions. She obtained her Undergraduate degree in Psychology from Hofstra University on Long Island, NY, and her graduate degree from Mercy University in Westchester, NY. Keesha has been practicing for 3 years as a Licensed Mental Health Counselor, focusing on anxiety, mood disorders, addictions, and families. Treatment is tailored to the individual, with a foundation in cognitive-behavioral therapy, rational-emotive behavior Therapy, and mindfulness. Furthermore, Keesha has experience working with individuals seeking Faith-based Therapy, with a focus on Christianity and Catholicism. Keesha's vast clinical background has assisted in her development as a well-rounded counselor. She prides herself on possessing great interpersonal skills, and building therapeutic relationships in an effort to assist with growth, healing, and flourishment.

Racquel Ellis is a licensed mental health counselor in the state of New York with extensive experience working with the BIPOC community. She provides inclusive mental wellness services to individuals and families. Racquel has been providing mental health services to individuals and families for over a decade and has been a licensed mental health counselor for the past four years. She specializes in working with the BIPOC community and women, offering therapeutic support for mood disorders, trauma, life transitions, and other chronic challenges impacting overall well-being.

Dustin Cooley, LISW-S, earned a Master of Clinical Social Work from Ohio University and obtained independent licensure while working in community mental health. With over a decade of experience, Dustin has supported clients from all walks of life, addressing a wide range of emotional and behavioral concerns. In addition to his clinical work, he has served as a consultant for primary care physicians, providing guidance on integrating mental health support into overall patient care.

Dustin values a person-centered and conversational approach to therapy, focusing on individual growth and meaningful change. He tailors his work to each patient’s goals, ensuring that therapy aligns with their unique needs and values. His goal is to create a collaborative environment where patients feel comfortable exploring their challenges and empowered to make positive changes in their lives.

Dustin begins by exploring each patient’s goals and expectations of therapy, emphasizing the importance of creating a safe, authentic space. He collaborates with patients to develop a personalized treatment plan, drawing from various therapeutic approaches to best support their individual needs and objectives. His process is flexible and adaptive, ensuring care that is both effective and deeply personal.

Cody Zaiontz is an LPC in the state of Texas. He has been providing counseling services to a variety of clients, who have sought help for many different types of mental health conditions, for over 5 years. Cody completed his undergraduate education in San Marcos, Texas at Texas State University and earned his bachelor's degree in psychology. He went on to complete his graduate school training in Counseling & Guidance at Texas A&M University San Antonio. His practicum training took place at the UT Health Science Center in San Antonio, Texas where he was trained in Cognitive Behavioral Therapy, Dialectical Behavioral Therapy, Motivational Interviewing, Solution-Focused Brief Therapy, and crisis management. Upon graduating with his master's in counseling, Cody worked for 2 years helping individuals diagnosed with a serious mental illness (schizophrenia, bipolar disorder, etc.) in an inpatient psychiatric hospital. He then learned how to provide outpatient counseling services, both in-person and through a secure telehealth platform. In his private practice, he worked with adults dealing with substance abuse, PTSD, depression, anxiety, and family issues. He also helped his clients work towards weight loss goals, learn ways to improve sleep, learn ways to increase their social support system, and learn other skills that will help them live a happier, more fulfilled life. Cody operated his private practice until he joined Talkiatry in the fall of 2024.

Brittany Stef is a Licensed Mental Health Counselor (LMHC) in New York and a National Certified Counselor (NCC). With extensive experience in education and various clinical settings, she has supported individuals and families of all ages in overcoming diverse mental health challenges, including depression, anxiety, mood disorders, self-esteem issues,   and significant life changes.

Brittany is passionate about therapy and employs empowerment-driven, holistic approaches. Her techniques include Cognitive Behavioral Therapy (CBT), Dialectical Behavioral Therapy (DBT), Motivational Interviewing, Solution-Focused Therapy, and Person-Centered Therapy.

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.