Gregor Hasler, M.D. is a Swiss psychiatry researcher, psychiatrist and psychotherapist. He is professor and chair of psychiatry and psychotherapy at the

University of Fribourg The University of Fribourg (french: Université de Fribourg; german: Universität Freiburg) is a public university located in Fribourg, Switzerland. The roots of the university can be traced back to 1580, when the notable Jesuit Peter Canisi ...

(Switzerland). His research areas covers

stress Stress may refer to: Science and medicine * Stress (biology), an organism's response to a stressor such as an environmental condition * Stress (linguistics), relative emphasis or prominence given to a syllable in a word, or to a word in a phrase ...

, depression,

bipolar disorders Bipolar disorder, previously known as manic depression, is a mental disorder characterized by periods of depression and periods of abnormally elevated mood that last from days to weeks each. If the elevated mood is severe or associated with ...

, and eating disorders. His most frequently cited findings include: * Discovery of an association between short sleep duration and

obesity Obesity is a medical condition, sometimes considered a disease, in which excess body fat has accumulated to such an extent that it may negatively affect health. People are classified as obese when their body mass index (BMI)—a person's ...

(published in 200

* Demonstration of GABA, glutamate, and glutamine abnormalities in depression * Elucidation of the role of dopamine and norepinephrine in

bulimia nervosa Bulimia nervosa, also known as simply bulimia, is an eating disorder characterized by binge eating followed by purging or fasting, and excessive concern with body shape and weight. The aim of this activity is to expel the body of calories eaten ...

* Discovery of markedly reduced

metabotropic glutamate receptor 5 Metabotropic glutamate receptor 5 is an excitatory Gq-coupled G protein-coupled receptor predominantly expressed on the postsynaptic sites of neurons. In humans, it is encoded by the ''GRM5'' gene. Function The amino acid L-glutamate is the m ...

in smokers and ex-smokers His work has been honored by various international awards, including the United States’

NARSAD The Brain & Behavior Research Foundation (BBRF) is a nonprofit 501(c)(3) organization that funds mental health Mental health encompasses emotional, psychological, and social well-being, influencing cognition, perception, and behavior. It ...

Independent Investigator Award and the Robert Bing Award of the Swiss Academy of Medical Sciences. He is author of a book on resiliency and on the gut-brain-connection, both published in German (“Resilienz: Der Wir-Faktor”, Schattauer-Verlag, "Die Darm-Hirn-Connection: Revolutionäres Wissen für unsere psychische und körperliche Gesundheit", Schattauer-Verlag).

Biography

Hasler studied medicine at Zurich University, Switzerland. His residency included trainings in internal medicine, metabolic and eating disorders, and psychiatry at university hospitals in Zurich, London, and Paris. He received his medical degree in 1995. He was trained in

psychiatric epidemiology Psychiatric epidemiology is a field which studies the causes ( etiology) of mental disorders in society, as well as conceptualization and prevalence of mental illness. It is a subfield of the more general epidemiology. It has roots in sociological ...

Jules Angst Jules Angst (born 11 December 1926) is a Swiss academic who is Emeritus Professor of Psychiatry at Zurich University in Zurich, Switzerland, and Honorary Doctor of Heidelberg University in Heidelberg, Germany. Early life Angst was born in Zur ...

, M.D. In 2002, he became fellow of the Swiss Medical Federation (FMH, Specialist Accrediting Board of Switzerland). From 2003 to 2006 he was a Visiting Research Fellow at the Mood and Anxiety Disorders Program at the

National Institute of Mental Health The National Institute of Mental Health (NIMH) is one of 27 institutes and centers that make up the National Institutes of Health (NIH). The NIH, in turn, is an agency of the United States Department of Health and Human Services and is the prima ...

(supervisors: Wayne C. Drevets,

Dennis S. Charney Dennis S. Charney is an American biological psychiatrist and researcher, with expertise in the neurobiology and treatment of mood and anxiety disorders. He is the author of ''Neurobiology of Mental Illness'', ''The Physician's Guide to Depress ...

, Husseini Manji). He conducted a series of studies on biomarkers in mood, anxiety and eating disorders, as well as smoking ( GABA, glutamate systems, catecholamines). From 2010 onwards, he served as professor of psychiatry at the

University of Bern The University of Bern (german: Universität Bern, french: Université de Berne, la, Universitas Bernensis) is a university in the Swiss capital of Bern and was founded in 1834. It is regulated and financed by the Canton of Bern. It is a compreh ...

, Switzerland, where he was the head of the section on

molecular psychiatry ''Molecular Psychiatry'' is a peer-reviewed scientific journal published by Nature Publishing Group. It covers research in biological psychiatry. Abstracting and indexing The journal is abstracted and indexed in: According to the ''Journal C ...

. In 2016, he was visiting professor at the

Icahn School of Medicine at Mount Sinai The Icahn School of Medicine at Mount Sinai (ISMMS or Mount Sinai), formerly the Mount Sinai School of Medicine, is a private medical school in New York City. It is the academic teaching arm of the Mount Sinai Health System, which manages eig ...

, New York. In 2019, he became professor and chair of psychiatry and psychotherapy at the

(Switzerland).

Professional network

* Full member of the American College of Neuropsychopharmacology. * President of the Swiss Society for Bipolar Disorders and as chapter leader of the International Society for Bipolar Disorders. * Scientific advisor of the German Federal Ministry of Research and Education. * Secretary of the Section of Pharmacotherapy of the

World Psychiatric Association The World Psychiatric Association is an international umbrella organisation of psychiatric societies. Objectives and goals Originally created to produce world psychiatric congresses, it has evolved to hold regional meetings, to promote profess ...

* Member of the Scientific Advisory Panel,

European College of Neuropsychopharmacology The European College of Neuropsychopharmacology (ECNP) is a pan-European, non-profit scientific association that serves as a platform to exchange and promote research in the field of neuropsychopharmacology. The ECNP “is committed to ensuring ...

Publications

External links

* https://www3.unifr.ch/directory/de/people/287773/4eb60 * https://www3.unifr.ch/med/de/research/groups/hasler/ * https://gregorhasler.ch {{DEFAULTSORT:Hasler, Gregor Year of birth missing (living people) Living people Psychotherapists University of Zurich alumni Academic staff of the University of Bern Swiss psychiatrists