Principal Investigator

Satchin Panda

Satchin Panda, a professor in the Regulatory Biology Laboratory, is interested in understanding the molecular mechanism of the biological clock in a mouse model system. The biological clock or circadian oscillator in most organisms coordinates behavior and physiology with the natural light-dark cycle. His laboratory uses genetic, genomics and biochemical approaches to identify genes under circadian regulation in different organs and to understand the mechanism of such regulation. His lab also tries to characterize the mechanism by which the circadian oscillator is synchronized to the natural light-dark condition. Both classical rod/cone photoreceptors and a newly identified ocular photopigment melanopsin participate in photoentrainment of the clock. Research in his lab is geared towards identifying molecular components and events critical for transmitting light information from the eye to the master oscillator in the brain.
Postdoctoral Fellow

Hugo Calligaro

I received my PhD in Neurosciences from the University of Lyon in 2018. I joined Dr Panda’s team to study the opsins involved in the regulation of the circadian system by using a combination of approaches including histology, electrophysiology and sequencing.

Shaunak Deota

I received my PhD in Biochemistry in early 2019 from Tata Institute of Fundamental Research in Mumbai, India. I joined the Panda lab to study the molecular physiology of Time restricted feeding (TRF). Outside the lab, I love traveling, cooking and watching science fiction series/movies.
Michael Lam

Michael Lam

I am awe-struck by how many chronic diseases are intimately related to daily behaviors. I joined this lab because Dr. Panda et al. use state-of-the-art experimental techniques and interesting perspectives to examine how physiology adapts to simple behavioral changes (for better or for worse). I did my M.D./Ph.D. training at UC San Diego, focusing on the mechanism of transcriptional regulation on inflammatory responses. Clinically, I specialize in Internal Medicine with subspecialty training in Pulmonary and Critical Care Medicine. I take care of many patients in the ICU with sepsis. My goal is to understand how sleep disruption (almost a ubiquitous experience for ICU patients) affects immune response. I enjoy the multidisciplinary environment in the lab, allowing me to integrate perspectives from circadian biology, molecular biology, and behavioral physiology with my scientific passion.
Geraldine Maier

Geraldine Maier

I joined the Panda lab at the end of 2020. Here I am part of the Wu Tsai Human Performance Alliance, studying the role of the circadian clock in performance, injury prevention, and recovery. My interest in this topic started during my PhD in Biomedical Research at the Biozentrum, University of Basel, Switzerland, where I studied the interaction between the skeletal muscle, the circadian clock, and exercise.

Laura Van Rosmalen

I received my PhD in Neuroscience in September 2021 from the University of Groningen, the Netherlands. My research focused on photoperiodism and seasonality. I joined the Panda lab as a postdoctoral fellow in October 2021, to study the underlying mechanisms driving the timing of daily activity (i.e., diurnality or nocturnality) related to energy balance. When I’m not in the lab, I go hiking, camping or play cello.
Staff Researcher / Scientist

Hong Long

Like research, I believe that little fruit flies can teach us so many things about human brain.

Emily Manoogian

I received my PhD in Neuroscience and Behavior in 2015 from the UMass Amherst. My research focused on gaining an understanding of the behavioral, neurobiological, and genetic bases of the circadian mutant hamster known as duper. In early 2016, I joined the Panda lab to apply my knowledge of chronobiology to human translation studies. I am now the head of human research in the Panda lab, with a focus on Time-Restricted Feeding. Outside of lab, I love to travel, go the beach, sketch/paint, and tap dance!


Oleg Yarishkin

I joined Dr. Panda’s Lab in 2022 as a Research Scientist. I am interested in molecular and cellular mechanisms coupling the activity of ion channels to a variety of intracellular signaling pathways in health and disease. Outside the lab I enjoy hiking, cross-country skiing, and taking photos.
Xiaoyan Zhu

Xiaoyan Zhu

I joined the Panda lab about 3 years ago. I am interested in understanding the molecular mechanisms underlying intricate interactions between circadian rhythm and other pathways in metabolism and cancer in cell and tissue-specific manner. In my spare time, I enjoy reading and watching movies.

Hiep Le

I joined Dr. Panda’s lab in 2005 as a research assistant. Since then I’ve worked with Xenopus laevis, Drosophila melanogaster and Mus musculus to help elucidate how the circadian clock works and what it affects. When I’m not in the lab, I’m usually taking photos or eating, or combining both and taking photos of the food I eat.

Monica O’Neal

I joined the Panda lab in 2021 after graduating from UCSD. My interests lie in the circadian regulation of health and behavior, so my work currently consists of helping out with human clinical/translational research for TRE. When I’m not staring at spreadsheets, I love weightlifting, listening to science/philosophy podcasts, reading, and going on long walks with friends to talk about life. 

Ramesh Ramasamy

I joined Dr. Panda’s lab in early 2021 as a data scientist. I am mainly involved in integrating multi-omics data to understand regulatory elements controlling gene expression in mammals. Apart from research, I enjoy stargazing, outdoor biking, and eating what I cook.
Kousha Changizi

Kousha Changizi

I received my B.S. in Computer Science at the University of California San Diego and have been working in the Panda lab since 2021. My research interest is Machine Learning applications in Biology and the Circadian Clock. Outside of the lab, I like to travel and play different sports.

Arshia Farajnejad

I joined the panda lab in November of 2019 after I graduated from University of California, San Diego. I’m interested in the effects of Time Restricted Feeding for mice physical activity performance, metabolic, sleep and the importance of Circadian Rhythmicity on long term aging and health. when I am not in the lab I enjoy playing basketball, video games and when I can I like to go to the mountains to snowboard.

Shweta Varshney

I joined Dr. Panda’s lab in 2020. I assist in learning circadian rhythm and factors influencing it using fruit fly as animal model. Outside the lab I love to spend time with my family and trying & learning new things.
Graduate Student

Terry Lin

I joined the Panda lab as a volunteer in my third year of undergrad at UCSD and have continued on as a graduate student. My interests are of mice and metabolism. My latest goal is to learn more about circadian regulation in disease development. And drink more water.

Panda lab alumni

Amir Zarrinpar

Assistant Professor

Shubhroz Gill

Postdoctoral Fellow
(Broad Institute)

Phuong Miu

Research Technician

Sandhya Pulivarthy

Research Fellow
(Massachusetts General Hospital)

Quansheng Zhu

Assistant Researcher

Sowmya Yelamanchili

Assistant Professor
University of Nebraska Medical Center

Kacee Jones

Lab Coordinator
(KU Medical Center)

Christopher Vollmers

Assistant Professor
(UC Santa Cruz)

Chrissta Maracle

Postdoctoral Fellow
(Leiden University)

Luciano DiTacchio

Assistant Professor
(KU Medical Center)

Sheena Keding

CSU Fresno

Amandine Chaix

Assistant Professor
University of Utah

Ludovic Mure

Senior Researcher
University of Bern

Masatoshi Hirayama

Assistant Professor
Keio University School of Medicine

Cindy Liu


Luis Rios

Graduate Student

Gabriele Sulli

Assistant Professor
Scintillon Institute

Megumi Hatori

Associate Professor
Keio University

Catherine Lopez