About Us
Mala K. Tandon, Psy.D.
Licensed Clinical Psychologist
Dr. Tandon (she/her) is a licensed clinical psychologist and founder of Mindful One. She has been in practice for over 20 years. She works from a strengths-based perspective, based on empowerment and recognizing inner wisdom. Her area of expertise is in treatment of trauma, specifically sexual abuse trauma. Integrating mindfulness in her clinical work is her passion. Dr. Tandon comes with an eclectic approach to therapy-integrating traditional therapeutic approaches with newest evidence based practices to bring insight and empowerment to clients. Her person-centered approach has a deep impact on various age groups and populations as well as treatment outcomes.
Dr. Tandon earned her doctorate degree from APA-accredited institution, The American School of Professional Psychology. She is passionate about cultivating mindful self-awareness and empathy in her supervisees and budding clinicians. Dr. Tandon offers Mindfulness groups for professionals and separately for clients. Her Mindful Parenting group has been sought out by far and wide. Her compassion and empowering approach is much appreciated by her clients, colleagues and supervisees equally. Dr. Tandon’s passion for travel and curiosity to learn has inculcated a deep understanding of different cultures, reflecting in her work with clients.
Dr. Alexis Joyner-Harris Psy.D.
Postdoctoral Fellow
Dr. Alexis Joyner-Harris (she/her) earned her doctorate from The Chicago School's APA-accredited Washington, DC campus and has experience working with neurodivergent children and families, as well as individuals across the lifespan. Her background also includes crisis intervention through the Crisis Text Line, reflecting her commitment to compassionate, individualized care that fosters resilience and emotional well-being.
Dr. Joyner-Harris provides psychotherapy and psychological assessment for children, adolescents, and adults under support and direct supervision of Dr. Mala K Tandon, Licensed Clinicl Psychologist. Her clinical intrest include treating anxiety, depression, trauma, suicidal ideation, and family and behavioral challenges, with additional training in couples and family therapy, including Functional Family Therapy (FFT). Her therapeutic approach is primarily grounded in Cognitive Behavioral Therapy (CBT) and integrates evidence-based interventions from other modalities to meet each client's unique strengths, needs, and goals. She believes in creating a warm, collaborative, and supportive therapeutic environment where clients feel heard, empowered, and equipped with practical skills to navigate life's challenges and achieve lasting, meaningful change.
Craig Gordon, LPC, NCC
Licensed Professional Counselor
Craig Gordon (he/him) is a Licensed Professional Counselor and specializes in evidence-based treatment for trauma and stress-related disorders, anxiety and mood disorders, self-injury, and personality disorders. His training includes Cognitive Behavior Therapy (CBT), Dialectical Behavioral Therapy (DBT), Trauma-Focused Cognitive Behavioral Therapy (TF-CBT), Solution Focused Therapy, Play Therapy, Person-Centered Therapy, and Existential Therapy. He has intensive training in CBT by Dr. John Ludgate and in Couples Therapy through the Gottman Method. He conducts neuropsychological assessments and diagnostic services for behavioral, cognitive and functional deficits. He has extensive experience helping military service members and their families.
He has Master’s degrees in Educational Psychology and Clinical Mental Health Counseling from the University of Northern Colorado and a Bachelor’s degree in Special Education from East Carolina University. He completed his CACREP accredited internship as a school-based mental health therapist through Jewish Family Services International KidSuccess Program where he worked with Refugee and Immigrant Youth in a public school setting dealing with trauma and anxiety issues. He is pursuing his Doctorate in Clinical Psychology from The Chicago School of Professional Psychology.
Srushti Adsul
Doctoral Student
Srushti Adsul (she/her) is a doctoral student in Clinical Psychology at The Chicago School in Washington, D.C. Her clinical training includes neuropsychological assessment and intervention with children and adolescents at the Children’s National Hospital, where she gained experience with a range of developmental, neurological, and psychiatric conditions including traumatic brain injury, ADHD, autism spectrum disorder, and Epilepsy. She has contributed to several peer-reviewed publications on
resilience, adolescent development, and self-efficacy.
Srushti approaches therapy through a trauma-informed, culturally responsive, and strengths-based lens. Her clinical interests include trauma- focused interventions, immigrant and refugee mental health,chronic illness and health psychology. She incorporates elements from psychodynamic, cognitive-behavioral, and systems-based interventions to create individualized and empowering care for clients under direct supervision and support of Dr. Mala K Tandon.
Michelle Ruz
Doctoral Student
Michelle Ruz (she/her) has clinical training spanning various settings, with experience providing individual and group therapy services to children and adolescents, as well as conducting comprehensive psychoeducational assessments. Drawing from a personal immigration background, Michelle brings a nuanced, lived understanding to working with diverse populations across the lifespan.
Michelle approaches therapy through a trauma-informed, culturally responsive, and strengths-based lens. Her clinical interests include immigrant and refugee mental health, anxiety, and lifespan concerns, with a particular attunement to the ways cultural context and migration experiences shape mental health and well-being. Michelle draws from an integrative framework, aiming to weave together Cognitive Behavioral Therapy (CBT), Trauma-Focused CBT, mindfulness-based approaches such as Acceptance and Commitment Therapy (ACT) and Dialectical Behavioral Therapy (DBT), and other evidence-based modalities to provide individualized, empowering care for each client under the direct supervision and support of Dr. Mala K. Tandon.
Sarah Marie Alimangohan
Doctoral Student
Sarah Marie Alimangohan (she/her) has worked with a diverse range of clients, including children, adolescents, and adults, who present with moderate to severe personality disorders, autism, anxiety, mood disorders, OCD, family grief and loss, and oppositional defiant disorder. Additionally, she has experience in couples therapy, addressing issues such as infidelity and negative relationship patterns.
Sarah Marie’s approach to individual therapy primarily derives from a psychodynamic case conceptualization, complemented by interventions from cognitive-behavioral therapy and DBT. For couples therapy, she employs the Emotionally Focused Couples Therapy (EFT-C) model. Sarah is passionate about providing tailored treatment interventions according to the client’s narrative, needs, and goals, all under the direct supervision of Dr. Mala K Tandon.
Samantha Holder
Doctoral Student
Samantha Holder (she/her) has experience supporting individuals with a wide range of mental health and developmental needs, including anxiety, depression, autism spectrum disorder, and schizophrenia spectrum disorders. Through her work in private practice, residential treatment, and outpatient settings, she has developed a strong foundation in therapeutic interventions, psychological assessment, and psychoeducation.
Samantha is committed to providing services tailored to each individual's unique needs and circumstances. She approaches her work from a culturally responsive, strengths-based perspective and values collaboration as an essential component of effective care. Her goal is to foster a supportive and empowering environment that promotes growth and meaningful change in each unique aspects of clients under direct supervision and guidance from Dr. Mala Tandon.
Joshua Elmore
Doctoral Student
Josh Elmore (he/him) has gained valuable clinical experience in community mental health and university counseling settings, where he provided individual and couples therapy and psychological assessments. Josh has worked with children, adolescents, adults, and couples facing complex challenges, including severe mental illness, neurodevelopmental, anxiety, depression, and trauma.
In his clinical work, Josh utilizes an integrated, collaborative, and flexible approach tailored to each person's unique needs. He typically draws from psychodynamic, cognitive behavioral therapy, and acceptance and commitment therapy modalities. Josh provides care under the direct supervision and support of Dr. Mala K Tandon.
Marah Vain-Callahan
Doctoral Student
Marah Vain-Callahan (she/her) has clinical training in psychotherapy and psychological assessments at George Washington’s Center Clinic as well as group and individual psychotherapy for young mothers in a residential program. Marah also has experience in the school setting working as a special education case manager and has experience primarily working with college aged-students and young adults with a range of presenting concerns.
Marah works from a relational, trauma-informed, and strength-based approach. Her work is primarily grounded in psychodynamic theory, but is focusing her training on expanding her skillset through integration of other approaches as well. Marah is focused on working with clients to find their own unique aspect of functioning and support them clinically under the guidance from Dr. Mala Tandon.
Quentin Herman
Doctoral Student
Quentin Herman's (he/him) work comprises individual therapy, couples-work, and psychological assessments. Areas of clinical focus include anxiety, depression, interpersonal conflict, and identity formation. Quentin also has valuable experience working in emergency-shelters where he supported vulnerable individuals undergoing chronic and complex trauma.
Quentin draws from Cognitive Behavioral Therapy (CBT), Emotionally Focused Therapy (EFT), and psychodynamic approaches in his clinical work. He highly values an integrative and collaborative approach that tailors treatment to each person’s unique needs and goals. He works under the direct supervision and support of Dr. Mala K Tandon.
Administrative Staff
Benji Royer
Operations Coordinator
Ben Royer (he/him) joined Mindful One after two years of working as an Administrative Assistant and Public Relations/Quality Assurance Coordinator for another behavior health practice in the area that specialized in comprehensive DBT services. He is thrilled to be utilizing his skills in client relations, mindfulness practices, and the clinical knowledge from his DBT training, in order to execute and oversee operations here at M1. He is also the proud dad to his furry little girl, Willow.
Carolyn Guirguis
Administrative Assistant
Carolyn Guirguis (she/her) earned her B.S. in Psychology with a concentration in Clinical Psychology, summa cum laude from George Mason University. She is currently in pursuit of an M.Ed. in Clinical Mental Health Counseling from William & Mary, on track to become a Licensed Professional Counselor. She has always been passionate about bringing light into the world, and she is deeply committed to making meaningful impacts in the field of mental health.
