Meet The Staff


Todd Lengnick, Psy.D., is a licensed clinical psychologist who has been practicing in South Florida since 2011. He earned his undergraduate degree in Mass Communications at the University of South Florida and his Doctorate in Clinical Psychology at Argosy University in Tampa.  Dr. Lengnick has served the Miami community as the clinical director of a short-term residential unit treating adults with severe and persistent mental illness and as the director of Baptist Hospital's outpatient behavioral health program. He also has over 20 years of business experience as a Regional Sales Manager and National Operations Manager. In addition to leadership positions, Dr. Lengnick has provided clinical treatment to adult populations for a variety of mental health conditions such as depression, anxiety, and alcohol/substance use disorders.  He has also served as adjunct faculty at Barry University and Nova Southeastern University and has taught graduate courses in psychopathology, personality disorders, and report writing. Dr. Lengnick also enjoys public speaking and has been invited to serve as a keynote speaker on a variety of topics throughout South Florida, including unconscious bias and diversity issues, stress management, and mindfulness.

Associate Director

Kathryn Kominars, Ph.D., Dr. Kominars is a Licensed Psychologist with more than 20 years of clinical experience in university settings in a variety of roles. She is a graduate of St. John’s College (B.A.) and Temple University (M.Ed. & Ph.D.) and she completed a post-doctoral fellowship in Brief Psychotherapy at Nova Southeastern University. Dr. Kominars joined FIU’s Counseling and Psychological Services Center in 1996. Dr. Kominars’ areas of specialization include the treatment of anxiety and depression, substance abuse and dependency, chronic illness, working through grief/loss, and career/vocational issues. In addition to traditional psychotherapy, Dr. Kominars is an experienced consultant and executive coach. She has worked with individuals and groups to improve interpersonal communication, reduce conflict and increase collaboration to increase team cohesion and achieve goals. She has presented numerous workshops and training sessions on coping with change, stress reduction and developing resilience, conflict resolution, strategic planning and goal setting, as well as exploring and capitalizing on diversity.

Staff Clinicians

Liane Dornheim Ph.D., is a licensed psychologist with a concentration in Neuropsychology who has been at FIU since 2000 when she completed her internship at our Center. She received both her masters and doctorate degrees at the University of Hamburg. She completed a second Ph.D. program for clinical psychology at Nova Southeastern University with a specialty in neuropsychology and has been licensed as a psychologist in Florida since 2001. Dr. Dornheim’s interests include Neuropsychology, Psychological Assessment, Behavioral Medicine, and Assessment Research. She is the coordinator of our neuropsychological laboratory and is actively involved in intern and postdoctoral training. As a researcher with international recognition, she also holds the position as the Chair of the Research Committee at our Center and she is known to give interns and postdoctoral students willing help with their research projects. Dr. Dornheim, who is board-certified in Biofeedback and Biofeedback- Mentorship, is in charge of running the psychophysiology lab and offers BFB training for interns and post-docs.

Eugenio A. Duarte, Ph.D., is a Miami native who joined the staff at FIU CAPS in Fall 2018 after training and practicing for ten years in New York City. He is a psychoanalyst and clinical psychologist who completed his masters and doctorate degrees in clinical psychology at University of Miami. Dr. Duarte went on to complete his pre-doctoral internship at Pace University Counseling Center in NYC, his postdoctoral fellowship at New York University Counseling & Wellness Services, and his psychoanalytic training at William Alanson White Institute of Psychiatry, Psychoanalysis & Psychology. Clinically, Dr. Duarte integrates a psychoanalytic orientation with cognitive behavioral, humanistic, and mindfulness/eastern philosophy approaches. He specializes in issues of gender and sexuality as well as eating and body image problems. He also has extensive experience working with racial and ethnic minorities and works in English and/or Spanish. Outside of CAPS, Dr. Duarte hosts a podcast entitled New Books in Psychology, where he interviews authors of recently published books in psychology and related fields.

Nathalie Fleitas, LMHC, earned her M.S.Ed. in Mental Health Counseling from the University of Miami in 2014. Over the last five years, she has worked with children, adolescents, young adults, and families in community mental health settings and in private practice. Fully bilingual, Nathalie conducts counseling sessions in either English or Spanish, depending on her client’s preference. She integrates Schema Therapy and Acceptance and Commitment Therapy to help her clients resolve the problems and patterns of behavior that stand in the way of their well-being, happiness, and success. She enjoys using creative therapeutic methods to foster emotional expression, facilitate insight, and support change. Her particular clinical interests include crisis intervention, the treatment of depression and anxiety, enhancing relationship skills, addressing family of origin concerns and generational differences, as well as identity development, self-image, and self-esteem.

Alia Fons-Scheyd, Ph.D., joined the FIU staff Fall 2010 as a University Psychologist and Assistant Training Director. She is a licensed psychologist in Florida who completed her masters in Counseling at the University of Texas at Austin, her doctorate in Counseling Psychology at the University of Houston, and her pre-doctoral internship at Illinois State University’s counseling center. Dr. Fons-Scheyd has worked at a number of University counseling centers in Florida and the U.S., and enjoys working in a University setting. Clinically, Dr. Fons-Scheyd is integrative and frequently draws from cognitive behavioral, interpersonal process and humanistic approaches. In addition to training and supervision, her clinical interests include mood and anxiety disorders, interpersonal concerns, multicultural counseling, brief therapy, vocational psychology/career counseling, and group therapy. Dr. Fons-Scheyd coordinates both the practicum and postdoctoral training programs and provides individual and group supervision to psychologists and counselors in training at FIU. She is also the Chairperson of the Quality Assurance committee at CAPS, organizes the crisis response clinical services schedule for CAPS, and serves on the Research Committee. Dr. Fons-Scheyd enjoys involvement in research, where her interests have centered on areas of romantic relationships and adult attachment orientation, relationship perfectionism, career-life balance, and multicultural competencies in counseling.

Nathasha Hahn, Ph.D., is a licensed psychologist in the state of Florida. She earned her doctorate in counseling psychology from Virginia Commonwealth University and completed her doctoral internship at the University of North Carolina Charlotte’s Counseling Center. Dr. Hahn enjoys working with young adults and substance using populations. She completed her postdoctoral residency in the young adult inpatient detox unit of the Watershed Addiction Treatment Agency in Boynton Beach, Florida. Currently she serves on the substance abuse and diversity committees at FIU CAPS, as well as the University’s Alcohol and Other Drug Task Force. Dr. Hahn provides individual, couples, and group therapy, as well as supervision for clinicians in training. Clinically, she uses an integrated interpersonal process approach. Her belief is that each person has the internal resources to achieve personal healing with the collaboration of a non-judgmental supporter. Her clinical specializations include interpersonal dynamics, cultural concerns, family dynamics, substance abuse treatment, and mindfulness. However, she has considerable experience in treating depression, anxiety, trauma, suicidal ideation, identity development, self-esteem, emotional regulation, and distress tolerance presentations. Additionally, Dr. Hahn's research interests include family dynamics, parent-child interactions, factors that influence substance abuse treatment outcomes, and minority student experiences.

Scott Harvey, Psy.D., earned his Doctorate in Clinical Psychology from Nova Southeastern University. Dr. Harvey has both training and experience working with college students in individual and group therapy, and with a wide range of issues that lead college students to seek counseling. Following his doctoral internship at the Baylor University Counseling Center, Dr. Harvey completed a post-doctoral fellowship at Connecticut College’s Student Counseling Services, gaining additional training and experience working with LGBTQIA students. Dr. Harvey takes an integrative approach which incorporates mindfulness and acceptance-based interventions within the client-therapist relationship to foster change and growth. Dr. Harvey enjoys working with students to help them identify and implement values-guided changes to reach their goals.

Carmen Jimenez, Psy.D., trained and licensed in Florida as a Clinical Psychologist, Dr. Carmen R. Jimenez earned Doctorate and Master’s degrees in Clinical Psychology from Nova Southeastern University. She has clinical experience in inpatient psychiatric hospitals, outpatient mental health clinics, and child development center settings throughout South Florida. Following her pre-doctoral internship at Miami Children’s Hospital Department of Psychiatry, Dr. Jimenez completed a post-doctoral fellowship at St. Mary’s Medical Center in West Palm Beach, FL and subsequently worked in a variety of settings in supervisory, managerial, and clinical roles. With more than 12 years of experience, Dr. Jimenez has a diverse background in development and trauma as well as specialization in attachment and relationships. Dr. Jimenez enjoys assisting clients who are working through family and relational difficulties, anxiety, depression, and grief and loss. She also enjoys providing supervision and training to graduate level psychology trainees. She uses an integrative therapy style that focuses on empowering clients to discover their unique strengths and pro-actively use these to achieve emotional well-being.

Priya Kirpalani, Psy.D., CGP first joined the FIU CAPS staff in Fall 2010 as a post-doctoral fellow and currently works as a University Psychologist and Group Therapy Coordinator. Dr. Kirpalani earned her Psy.D. in Clinical Psychology from Nova Southeastern University. Formerly, she obtained her M.S. in Clinical Psychology at Nova Southeastern University and her B.S. in Neuroscience/Psychobiology at the University of Miami. Following her pre-doctoral internship training at Louisiana State University and the Eastern Louisiana Mental Health System, she completed a post-doctoral fellowship at FIU CAPS. As a University Psychologist, Dr. Kirpalani enjoys working with clients who experience eating and body image concerns, identity struggles, and relational difficulties. As Group Therapy Coordinator, Dr. Kirpalani coordinates group therapy services and provides supervision to group facilitators. Recently, Dr. Kirpalani partnered with Student Health Services in developing the Body Acceptance Program that provides multidisciplinary care, including counseling, nutritional, medical, and psychiatric services, to students with body image and eating concerns. Dr. Kirpalani also works part-time in private practice and is a Certified Group Psychotherapist.

Carla Mayorga, Ph.D., earned her doctorate in Counseling Psychology from the University of Miami after completing her pre-doctoral internship at Boston University’s Center for Multicultural Training in Psychology. Dr. Mayorga’s post-doctoral training at Yale University School of Medicine’s Hispanic Clinic and Emory University School of Medicine’s Child and Adolescent Mood Program further fueled her commitment to providing culturally sensitive and evidence-based treatments using a social justice framework. Dr. Mayorga has dedicated most of her professional life to treating adolescents, young adults and their families. A graduate of the International OCD Foundation’s Behavior Therapy and Training Institute and certified in Trauma-Focused Cognitive Behavior Therapy (TF-CBT), Dr. Mayorga specializes in treating anxiety disorders, obsessive-compulsive and related disorders, and trauma- and stressor-related disorders. Additionally, Dr. Mayorga is dedicated to providing and training supervisees in high quality evidence based clinical supervision practices. A Miami native, Dr. Mayorga is bicultural and bilingual (English/Spanish). Serving diverse students seeking to become global citizens draws Dr. Mayorga to FIU’s urban campus.

Mary B. Reyes, Ph.D. is a bilingual licensed psychologist who has been working with diverse populations including individuals, children and families since 2002. She completed her undergraduate and graduate education at the University of Miami, earning her doctorate in clinical psychology with a pre-doctoral internship concentration in adolescent medicine at the University of Miami Miller School of Medicine. Dr. Reyes completed a post-doctoral fellowship at the Institute for Child and Family Health (previously, the Children’s Psychiatric Center), and subsequently has worked in a variety of settings, including schools, hospitals, and university outpatient settings, providing therapy and assessment services. Dr. Reyes’ areas of clinical interest include behavioral health in the medical setting, attachment and trauma informed care, as well as the integration of spirituality and trauma. Using an integrative therapeutic style that is based on the foundation of a strong and empathic therapeutic relationship and draws on cognitive-behavioral and interpersonal approaches, Dr. Reyes strives to provide a supportive and healing environment tailored to each individual in order to promote growth and emotional well-being.

Peggy Rios, Ph.D., has recently joined CAPS at Florida International University.  She is a bilingual licensed psychologist with close to 25 years of experience providing individual, couples, family, and group therapy to teenagers and adults with a wide range of presenting concerns including depression, anxiety, relationship dissatisfaction, difficult life transitions, identity stressors and self-esteem issues.  Dr. Rios completed her doctoral degree at the University of Maryland and her internship at the University of Florida and has been a licensed psychologist since 1997.  Her therapeutic work focuses on developing a strong empathic therapeutic relationship to fully understand the client's experience and then exploring opportunities for skill building and change using schema, cognitive behavioral and interpersonal therapies as well as emotion regulation and stress management techniques. She also has many years of experience working with people with life altering physical conditions and has a keen interest in the mind-body connection.  She is certified in a wide-variety of health psychology interventions and routinely works with people wanting to enhance their mind-body relationship.  Because many of her clients have had health challenges, Dr. Rios is very comfortable utilizing various telepsychology methods for chronic issues affecting well-being.

Christine Sainvil, Ph.D., earned her doctorate in Counseling Psychology at the University of Georgia. She holds dual master’s degrees (Ed.M. and M.A.) in Psychological Counseling from Teacher’s College, Columbia University and a Bachelor’s of Science in Human Development from Cornell University . Dr. Sainvil’s career thus far has reflected her commitment to working with diverse populations providing competent and culturally appropriate psychological counseling and assessment services. Dr. Sainvil’s background and areas of clinical interests have largely focused on mood disorders, anxiety related disorders, men’s issues, substance abuse, trauma, suicide education and prevention. Dr. Sainvil currently provides individual, couples, and group therapy as well as psychological testing at FIU. Dr. Sainvil uses an integrative approach to working with clients, which is guided by her Interpersonal and cognitive-behavioral therapeutic orientation.

Oren Shibi, Psy.D., earned his Doctorate and Master’s degrees in Clinical Psychology from Nova Southeastern University. Dr. Shibi has extensive training and clinical work experiences in individual, group, and family therapy as well as psychological assessment. Following his pre-doctoral internship at the Trauma Resolution and Integration Program at Nova Southeastern University, Dr. Shibi completed a post-doctoral residency at a private practice in Plantation, FL. In treating his clients, he takes an integrative therapeutic approach tailored to fit the individual. He uses evidence-based interventions and meaningfully synthesizes cognitive-behavioral, interpersonal, humanistic, and psychodynamic theoretical orientations as well as Mindfulness based approaches. Dr. Shibi guides students on their journey for personal growth by assisting them in transforming obstacles to opportunities and replacing destructive coping mechanisms with adaptive ones.

Kenley Sullivan-Thomas, Psy.D., is licensed in Florida as a Clinical Psychologist. She earned her Psy.D. in Clinical Psychology from Nova Southeastern University. Prior to this, she earned her Master’s degree from Nova Southeastern University, and her Bachelor’s degree from the University of Central Florida. Dr. Sullivan-Thomas completed her pre-doctoral internship and post-doctoral residency at the Miami VA Medical Center, and briefly worked in private practice prior to joining FIU CAPS. Clinically, Dr. Sullivan-Thomas uses an integrative therapy style, including cognitive behavioral and interpersonal therapy techniques. Clinical interests include brief therapy, anxiety disorders, adjustment disorders, interpersonal difficulties, and substance use disorders.

Pilar Siman, LCSW, brings to CAPS over seven years of clinical experience. Prior to joining CAPS in July 2018, she served as a Clinical Counselor at the Johnson and Wales University Counseling Center in North Miami. Pilar earned her Master’s in Social Work from Columbia University, a Bachelor’s in Foreign Service at Georgetown University and a Postgraduate Certificate in Family Systems Theory. As a bicultural therapist, Pilar enjoys helping college students navigate issues of identity development such as race, culture, gender, sexual orientation and career interest. She specializes in the treatment of depression, anxiety, self-harm, family conflict and trauma. Pilar has worked with children, adolescents, young adults and older adults with chronic medical conditions. She utilizes various therapeutic modalities from her past clinical experience including Cognitive Behavioral Therapy, Family Therapy, Play Therapy, Sand Tray Therapy, Traumatic Incident Reduction, and Guided Meditation. Pilar is excited to be a part of FIU’s diverse community and help empower students to excel personally and academically.

Justine Wallace, Psy.D. earned her Doctorate and Master’s degrees in Clinical Psychology from the University of Hartford.  Prior to this, she earned her Bachelor of Science in Psychology from Florida State University. Licensed in the state of Florida, Dr. Wallace has many years of experience providing clinical services to clients in a variety of settings.  Her clinical interests include interpersonal dynamics, substance use, mood disorders and family issues.  Dr. Wallace uses an integrative approach in helping her students reach their goals believing that each person has the internal resources to help themselves move forward.

Matthew Woodfork, Ph.D., joined FIU CAPS as a pre-doctoral psychology intern in 2011 and continued as a post-doctoral fellow at CAPS the following year. Upon completion of his fellowship, he transitioned into his role as a licensed University Psychologist. Dr. Woodfork obtained his Ph.D. in Counseling/School Psychology from the State University of New York at Buffalo. His clinical interests include identity development among racial/ethnic minorities and psychological help-seeking attitudes and behaviors, particularly within the Black/African American community. Additionally, Dr. Woodfork enjoys working with students experiencing relational difficulties as well as issues with mood and anxiety. He employs an integrative approach to therapy highlighting cognitive and interpersonal processes while enlisting the client-therapist alliance as the foundation for change. Besides providing individual and group therapy, Dr. Woodfork is involved in group therapy supervision of trainees and coordinates online services geared toward FIU’s hybrid and online-only students. Moreover, he is currently pursuing Florida E-Therapy Certification. Dr. Woodfork has also established partnerships with campus departments such as Multicultural Programs and Services to offer programming targeted to male students of African descent, as well as Panther Life to provide workshops supporting the academic success and well-being of FIU students diagnosed with intellectual disabilities.

Nancy Zlatkin, Psy.D., is a Licensed Psychologist with several years of experience working within a University Counseling Center setting. She received her Doctorate Degree in Clinical Psychology from Nova Southeastern University. She also holds a Master’s Degree in Clinical Psychology from Nova Southeastern University and a Bachelor’s Degree in Psychology from the University of Central Florida. She utilizes an integrative and developmental approach to help each individual student overcome whatever obstacles they may face on the journey through higher education. She specializes in working with students who identify as LGBTQ+, with particular expertise in working with students who identify as trans* and/or as gender non-conforming. She is committed to creating an inclusive and safe environment both in and outside of the therapy room. Through a collaborative approach, Dr. Zlatkin emphasizes the resilience and strengths of each individual to maximize potential and overall well-being.





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SHC 270


Hours of Operation

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Thursday: 8 AM - 5 PM

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WUC 320


Hours of Operation

Monday - Thursday: 8 AM - 5 PM

Friday: 8:00 AM - 3:00 PM

Same Day Consultation Hours

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