
Our Research Lab
We are a team of interdisciplinary researchers and clinicians spanning the areas of psychotherapy research, neuroscience, data science, and neuropsychology.
The Team

Principal Investigator
Nili Solomonov, PhD
Nili is an Assistant Professor of Psychology in Psychiatry, at the Weill Cornell Institute of Geriatric Psychiatry, Department of Psychiatry, Weill Cornell Medicine. Dr. Solomonov completed her doctoral studies at Adelphi University, followed by a T32 fellowship at Weill Cornell Medicine. She is a licensed clinical psychologist and a psychotherapy researcher. Her research focuses on studying brain-based and clinical mechanisms of action in psychotherapies for depression in mid- and late-life and the postpartum period.

Assistant Professor of Psychology in Clinical Psychiatry
Julia Chafkin, PhD
Julia is an Assistant Professor of Psychology in Clinical Psychiatry at the Weill Cornell Institute of Geriatric Psychiatry, Department of Psychiatry, Weill Cornell Medicine. Dr. Chafkin completed her doctoral studies at The University of Texas at Austin, and her predoctoral internship at Duke University School of Medicine. She completed her postdoctoral fellowship in the Adult Outpatient Department at New York-Presbyterian Hospital/Westchester Behavioral Health, Weill Cornell Medicine. Dr. Chafkin is a licensed clinical psychologist with clinical interests in the treatment of mood and anxiety disorders. Her research interests are in biological and behavioral markers and predictors of psychopathology during critical periods across the lifespan.

Instructor of Psychology in Psychiatry
Oded Bein, PhD
Dr. Bein is an Instructor of Psychology in Psychiatry at the Weill Cornell Institute of Geriatric Psychiatry, Department of Psychiatry, Weill Cornell Medicine. He completed his postdoctoral training at Princeton University and his PhD at New York University. Dr. Bein studies neural and cognitive mechanisms underlying learning and memory with applications to psychotherapy for anxiety and depression.

Postdoctoral Fellow
Marzieh Ajirak, PhD
Marzieh is a recent graduate in Electrical and Computer Engineering with a specialization in Machine Learning from Stony Brook University. Throughout her doctoral studies, Marzieh concentrated on uncertainty quantification in deep learning models and Bayesian statistics. Her research addresses a variety of medical applications, ranging from neuroscience to obstetrics and psychology.

Postdoctoral Fellow
Michael Gallagher, PhD
Mike recently completed his PhD in Clinical Psychology at Mississippi State University and his predoctoral internship at The Ohio State University Wexner Medical Center. His research interests include examining the role of reward processing in depression using experimental and idiographic methods.

Visiting Postdoctoral Fellow
Miriam Hehlmann, PhD
Miriam is a postdoctoral researcher in Psychotherapy Research and Clinical Psychology at Osnabrück University. She joined the Solomonov Lab as a research fellow in October 2024. Dr. Hehlmann completed her doctoral studies at Trier University and is a licensed clinical psychologist. Her research focuses on identifying patients at risk by developing predictive models based on multi-modal data and machine learning methods, with the aim of feeding this information back to therapists to support clinical decision-making.

Research Clinician
Betsy Brown, LMSW
Betsy is a licensed clinical social worker who joined the Solomonov Lab in the fall of 2023. She received her masters in social work from Columbia University in 2021 and has practiced at NewYork-Presbyterian and the Center for Anxiety. Betsy is interested in treatments for and helping individuals with postpartum depression.

Clinical Research Data Coordinator
Delaney Callaghan
Delaney graduated from Princeton University with a B.A. in Psychology and minors in Gender and Sexuality Studies and Global Health and Health Policy. Delaney's research interests include developing psychotherapy interventions for older adults with mood disorders as well for individuals experiencing postpartum depression.

Research Assistant
Heather Doherty
Heather graduated from Georgetown University with a B.A. in Psychology. Heather's research interests include emotion regulation and psychotherapy interventions for individuals with mood disorders.

Research Assistant
Jordan Serrano-Guedea
Jordan graduated from the University of California, Berkeley, with a double B.A. in Psychology and Social Welfare. Jordan’s research interests include developing community-specific psychotherapy interventions for individuals with anxiety and mood disorders and expanding access to high-quality mental health treatment for underrepresented communities.

Research Assistant
Kelly Kwong
Kelly graduated from Stony Brook University with a B.A. in psychology and sociology. Kelly's research interests lie in developing accessible and culturally competent interventions for adults with depression, anxiety, and suicidality in underserved and marginalized communities, as well as improving help-seeking behavior.

Research Assistant
Tomas Alegria
Tomas graduated from New York University with a B.A. in Psychology, and minors in Linguistics and Computer Science. Tomas’ research focuses on developing neuroscience-informed treatments for deficits in cognitive control and emotional regulation for older adults with mood disorders.

Research Assistant
Ahladita Lotti
Ahla graduated from University of California San Diego with a B.S in Cognitive Science with a specialization in Neuroscience and a minor in Psychology. Ahla's research interests include understanding neural mechanisms underlying disorders and improving accessible healthcare for minorities.

Research Volunteer
Joohyun Kang
Joohyun graduated from Seoul National University with a B.A. in Religious Studies and minors in Psychology and European Studies. Currently she is pursuing an M.A. in Clinical Psychology at Teachers College, Columbia University. Joohyun's research interests include developing psychotherapy interventions for individuals with mood disorders and understanding emotion regulation, using neuroscience methods and technology.

Research Volunteer
Daniel Broadie
Daniel graduated from Washington University in St. Louis with a B.A. In Economics and minors in Psychology and Mathematics. He is currently pursuing an M.A. in Clinical Psychology at Teachers College, Columbia University. His research interests focus on emotion regulation in mood and anxiety disorders and applying quantitative and neuroscience approaches to study underlying mechanisms and inform psychotherapy development.

Medical Student
Parhesh Kumar
Parhesh graduated from Indiana University-Bloomington with a Bachelor's in Neuroscience and is currently a medical student at Weill Cornell Medical School. Parhesh's interests in research are in the use of biometric monitoring devices as a means to monitor, track therapeutic progress, and prevent the onset of psychiatric symptoms.
Collaborators at Weill Cornell









Lab Alumni

Doctoral Student in Clinical Psychology at Adelphi University
Nava Winton
Nava research interests include developing psychotherapy interventions for older adults with social anxiety and understanding how different types of social interactions impact social anxiety.
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Clinical Psychology PhD Student at Teacher's College, Columbia University
Ellie Briskin
Under the mentorship of Dr. Douglas Mennin, Ellie is studying the nature of chronic and recurring bouts of anxiety and mood disorders.

Clinical Psychology PhD Student at Yale University
Yutong Zhu
Under the mentorship of Dr. Jutta Joormann, Yutong is studying emotion regulation and cognitive flexibility.

Fourth-Year Medical Student at Weill Cornell Medical College
Courtney Lee
Courtney is in her final year of pursuing her MD at Weill Cornell Medical College.
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Clinical Psychology PhD Student at Adelphi University
Dustin Phan
Under the mentorship of Dr. Catherine Eubanks, Dustin is studying therapeutic ruptures and repairs.

Clinical Psychology PhD Student at The Pennsylvania State University
Serena Chen
Under the mentorship of Dr. Louis Castonguay, Serena is studying psychotherapy integration and common factors across psychotherapeutic orientations.

Clinical Psychology PhD Student at Duke University
Aliza Ayaz
Under the mentorship of Dr. Moria Smoski, Aliza is studying the interplay between cognitive processes, emotion regulation abilities, and reward processing in depression across the adult lifespan, focusing on mindfulness based interventions, CBT, and TMS.

Clinical Psychology PhD Student at University of Colorado, Boulder
Ben Giber
Under the mentorship of Dr. Joanna Arch, Ben is studying interventions for anxiety in adults, particularly for individuals coping with cancer.

Clinical Neuroscience PhD Student at Karolinska Institutet
Holland Brown
Under the mentorship of Dr. Kristoffer Månsson at Karolinska Institutet in Stockholm, Sweden, Holland studies placebo effects in Social Anxiety Disorder, focusing on brain imaging methodology and the interactions between treatment and expectation in CBT and psychopharmaceutical interventions.

Neuroscience/Neurobiology PhD Student at SUNY Downstate
Rana Azab
Rana is studying the neural and genetic mechanisms of degenerative diseases with a focus on genetic mutations underlying neurological disorders.

MD Candidate at Albert Einstein College of Medicine
Ochuwa Tisor
Ochuwa is pursuing a degree in medicine.

MD Candidate at University of Maryland School of Medicine
Sama Joshi
Sama's research interests surround psychosocial approaches to improving pain management in older adults with depression. She is also passionate about improving access to health care. She is working on a project that aims to better understand the preventative contraceptive care needs of women in under-resourced areas in Baltimore.

Clinical Research Specialist at Weill Cornell Medicine
Krystalle Lyons
Krystalle is working as the study coordinator for radiation and medical oncology clinical trials in the Cancer Clinical Trials Office.