Lab Members
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Richard Zeifman, Ph.D.
Assistant Professor of Psychology
Richard is an Assistant Professor of Psychology (Clinical) and Director of the PATH Lab at The New School for Social Research, with appointments at the NYU Grossman School of Medicine and Imperial College London. His research examines the safety, efficacy, and mechanisms of change underlying psychedelic-assisted therapy, using multi-method approaches across clinical trials and real-world effectiveness studies for conditions including major depression and PTSD. He completed his Ph.D. in Clinical Psychology at the Toronto Metropolitan University, clinical internship at the Centre for Addiction and Mental Health (CAMH), and postdoctoral fellowship at the NYU Grossman School of Medicine. His research has been supported by $2 million in competitive funding, including $529,000 as principal recipient and $1.5M as co-investigator on federally funded grants. Richard has experience teaching undergraduate and graduate courses, as well as providing clinical and research supervision for research assistants, graduate students, and psychiatry residents. He is a licensed psychologist in New York, a quality-rated Cognitive Processing Therapy (CPT) provider, and serves as a study therapist on clinical trials of psilocybin and MDMA-assisted therapies.
Doctoral Students
Silver Liftin
Doctoral Student and Lab Manager
Silver is a first-year Clinical Psychology PhD student at The New School for Social Research and serves as lab manager of the PATH Lab. Her research interests focus on psychedelic-assisted therapy for PTSD, end-of-life or existential distress, and anorexia nervosa, with particular interest in self-compassion, emotional processing, and mechanisms of therapeutic change. Silver received an MA in General Psychology from The New School, where she completed the Substance Use and Mental Health concentration. She holds a CASAC-T credential and currently works as a substance use counselor. She additionally recieved a BS in Cognitive Science from Yale University, where her senior thesis examined factors associated with remission from the clinical high-risk state for psychosis.
Tina Xu
Doctoral Student
TINA'S BIO.
Graduate Students
Chloe Wong
Psychology MA Student
Chloe's research interests include exploring the role of challenging experiences during the acute psychedelic experience, exploring psychological mechanisms that moderate outcomes, and evaluating the feasibility of psychedelic treatments for conditions with limited pharmacological or treatment efficacy. She is a second-year psychology MA student at The New School. Chloe received her BA in psychology from New York University, with a double major in neuroscience and a minor in child and adolescent mental studies. She has contributed to research at NYU Shanghai, NYU Langone, and the Icahn School of Medicine at Mount Sinai, where she worked on projects utilizing multiple neuroimaging modalities.
Tali Fel
Psychology MA Student
Tali Fel is a Research Assistant in the PATH Lab and a master's student in Psychology at The New School for Social Research. She earned her B.A. in Psychology from the University of Pennsylvania, where she completed her senior thesis examining trauma-related symptoms among parents of adolescents with anorexia nervosa. Her research interests center on the psychological mechanisms underlying psychopathology, with a particular focus on eating disorders, cognitive flexibility, and processes of therapeutic change. At the PATH Lab, she contributes to research examining psychedelic-assisted therapy and its potential mechanisms of action, including how shifts in cognitive flexibility and causal attribution may facilitate meaningful and lasting psychological change.
Joe Baker
Psychology MA Student
Joe's research seeks to characterize the therapeutic relationship in psychedelic-assisted therapy, with special attention to how it differs or aligns with the relationship in conventional psychotherapy. He is particularly interested in the role these relational dynamics play in therapy process and treatment outcomes. At NYU’s Family Translational Research Group, his research focused on romantic dyads, specifically the etiology, prevention, and psychophysiology of interpersonal conflict. Before returning to clinical science, Joe worked professionally in television and comedy, including as a series regular in the final season of HBO’s Search Party. He studied psychoanalysis and early-modern literature at NYU Gallatin and is a first-year psychology M.A. student at The New School.
Henry Weigel
Psychology MA Student
Henry’s research interests include naturalistic research on the real-world application of psychedelic-assisted therapy and the psychological processes that shape therapeutic change within altered states of consciousness. He is particularly interested in how subjective experience, meaning-making, integration, expectancy, and the therapeutic relationship influence treatment outcomes. Henry is a first-year M.A. student in Psychology at The New School. He received a BS in Psychology with a concentration in Cognitive Neuroscience and minors in Biology and Philosophy from the University of Denver. Prior to joining the lab, he served as Director of Operations at Colorado’s first licensed healing center, where they supported the development and day-to-day operations of a regulated psychedelic-services practice.
Arwynn McKinty
Psychology MA Student
Arwynn’s research focuses on how psilocybin-assisted therapy may differ for people with complex mental and physical health presentations, including substance use disorders and women’s health concerns. She is also interested in how psychedelic therapy shifts self-concept, and in novel behavioral and computational ways to measure this. She is a first-year Psychology MA student at The New School on the Substance Use and Mental Health track. Arwynn received her B.S. in Psychology with a minor in Philosophy from UC San Diego, where her honors thesis examined how self-compassion and depression affect psilocybin-assisted therapy for people with chronic phantom limb pain. She also coordinated studies at on alcohol and nicotine craving and published research on nicotine use frequency and state anxiety.
Sindhu G
Psychology MA Student
Sindhu is interested in exploring how psychedelics may facilitate changes in rigid, maladaptive beliefs about the self and the world, with a particular focus on their potential therapeutic applications in obsessive-compulsive disorder and borderline personality disorder. She is a second-year psychology MA student at The New School. Before that, she spent 8 years working as a journalist at NPR, The New York Times and, most recently, WNYC’s science audio documentary program, Radiolab, and also lived a year in a zen Buddhist monastery. She received a BA in Economics at the University of Chicago.
Natalie Palmer
Psychology MA Student
Natalie's primary research interest center on personality disorders, major depression, and the psychotherapy process. She is particularly interested in how psychedelic-assisted psychotherapy might benefit individuals with complex presentations, including borderline personality disorder. Specifically, she is curious about how psychedelic-assisted psychotherapy might facilitate changes in self-concept and self-other boundaries. She is a first-year M.A. student at the New School, and received her BA in Psychology from Brooklyn College. Her previous research examined adverse childhood experiences and health outcomes, and currently contributes to mixed-methods research on psychoanalytic group therapy.
Undergraduates
Kitty Cristobal
Undergraduate Research Assistant
Kitty is currently pursuing an undergraduate degree in Psychology at The New School, and a previous student of Dr. Zeifman’s. Their interests range from cognitive neuroscience to social policy, and how both can be applied to psychedelic research. They have previously written about psychedelic induced neuroplasticity as well as the associated therapeutic benefits, particularly in classic psychedelics. Kitty also serves as a Problem Management Plus (PM+) facilitator at the Center for Global Mental Health, providing one-on-one stress management sessions and teaching self-help skills to clients.
Research Assistants
Simon Dickinson
Volunteer Research Assistant
Simon's background spans law, public policy, and technology. His graduate thesis advised Jigsaw, Google's think tank, on evidence-based strategies to reduce susceptibility to misinformation on social media. Simon received his LLB (Hons I) from the Australian National University, graduating at the top of his class, and earned a Master in Public Policy from the Harvard John F. Kennedy School of Government. He has served as a judicial clerk at the Federal Court of Australia, a litigation attorney, and most recently as Chief Operating Officer and co-founder of Impala, a startup helping over 8,000 nonprofits and universities use data to fundraise more effectively.