Postdoctoral Fellows

Nasim Bararpour

Postdoctoral Research Fellow, Genetics

University of Lausanne

Department of Biology and Medicine, Toxicology Unit of Forensic Science (UFT) and Hospital University of Legal Medicine (CURML) Geneva-Lausanne, Ph.D.

Research Interests: Metabolomics, Computational analysis and Software development, Multi-Omics and Integrative analysis. 

Gireesh Kumar Bogu 

Postdoctoral Research Fellow, Genetics

Computational Biology, Ph.D.
Universitat Pompeu Fabra

Research Interest – applying machine learning (especially deep learning) to solve problems that can help understand human health better.
 More , working on image data from subjects with Type-2 diabetes, and wearable data from subjects with COVID-19. I am also interested in NLP problems such as interpreting large-scale surveys of disease studies (Ex: Diabetes, COVID-19).


Andrew Brooks

Postdoctoral Reseach Fellow, Genetics

Human Genetics and Microbiomics,Ph.D. Vanderbilt University

Research interests: focuses on the human gut microbiome,  involved in multiple multiomic projects investigating how physiological systems through the human body interact across different lifestyles and health states. Research involving wet and dry lab aspects of multiomics analyses, and two coronavirus research projects including handling of positive SARS-COV-2 samples.

Matias Cabruja

Postdoctoral Research Fellow, Genetics

Biological Sciences, Ph.D. National University of Rosario

Research Interest: Mass spectrometry, Lipidomics, Data analysis

Faye Chleilat

Postdoctoral Research Fellow, Genetics

Ph.D.,Nutrition, Genetics and Metabolism,
University of Calgary

Research Interests: Nutrition, Microbiome, Epigenome, Multi-omics, Fertility, Precision Medicine

Alireza Del Farah

Postdoctoral Research Fellow, Genetics

Chemical Engineering, Ph.D.
University of Southern California


Research interests: Precision Health, Wearable Devices, Bioinformatics, Machine Learning, Multi-omics Profiling, Mass Spectrometry, Aging

Bio: Alireza obtained his PhD of Chemical Engineering  More from University of Southern California where he studied senescence mechanism in aging and cancer. His research is at the intersection of wearable devices, mass spectrometry, statistics, and data modeling. At Snyder lab he is working on glucose monitoring, sleep tracking, multi-omics profiling and use of machine learning tools to model health and predict deviation from healthy states in people.



Graham Erwin

Postdoctoral Research Fellow, Genetics

Doctor of Philosophy
University of Wisconsin Madison


Research interest: Molecular, chemical, and genome biologist elucidating the functional role of repetitive DNA sequences. 

Molecular, chemical, and genome biologist elucidating the functional role of repetitive DNA sequences. This work will guide the design of a new class of therapeutics and diagnostics for human disease.


Peng Gao

Postdoctoral Research Fellow, Genetics

Biogeochemistry, Ph.D.
University of Florida


Research interest: Exposome, Environmental chemistry, Analytical chemistry, Environmental health sciences.

Bio: Dr. Peng Gao is an analytical chemist who was trained in both environmental and biological sciences.  More He obtained his B.S. in Chemistry from China Agricultural University in 2013. After that, he went to Case Western Reserve University and earned his M.S. in Chemistry in 2015. After switching his research interest to biogeochemistry, he joined the Soil and Water Sciences Department at the University of Florida to pursue his Ph.D. degree and graduated in August 2019. His research has focused on multidisciplinary areas in environmental chemistry, analytical chemistry, and environmental health sciences. He is currently working on human exposome projects at Stanford University. He has published nearly 30 peer-reviewed articles in several top journals in environmental science. He has peer-reviewed nearly 100 articles for various journals and currently serving as an editorial board member of the Chemosphere.


Ariel Bacaner Ganz

Postdoctoral Research Fellow, Genetics

Doctor of Philosophy
Cornell University

Research interests: Dr. Ariel Ganz is a postdoctoral fellow in the Snyder Lab studying effective strategies for mental health and thriving. Her current research focus is on the biology of depression and depression recovery, as well identifying effective strategies to improve mental and physical well-being. More  Dr. Ganz received her PhD in Molecular Nutrition with a focus on Precision Health, nutrigenetics, and vitamin metabolism from Cornell University under the mentorship of Dr. Marie Caudill and Dr. Patrick Stover. 


Daniel Gomari

Postdoctoral Research Fellow, Genetics

Doctor of Philosophy
Technical University of Munich (TUM)

Research interests include aging, deep learning, metabolomics, healthspan and lifespan extension.

Joshua Gruber

Instructor, Medicine-Oncology

Clinical Fellow, Residency
Stanford University

Research interests include the molecular biology of breast cancer initiation, the intersection of tumor immunology with cancer growth pathways and the development of molecular tools to interrogate neoplastic tissues.

Bio: Dr. Joshua Gruber is  an Instructor of Medicine in the division of Medical Oncology at Stanford University Medical Center. He received his Bachelors of Arts, Summa Cum Laude, in biochemistry and physics from the University of Pennsylvania in 2001. He then graduated from the Medical Scientist Training Program at the University of Pennsylvania where he performed doctoral studies in cancer biology and biochemistry. He completed internship and residency in Internal Medicine at Stanford, then was a Clinical Fellowship in Medical Oncology and also a Postdoctoral Fellow in Genetics at Stanford, working in the laboratory of Michael Snyder on integrative genomics of hereditary breast cancer. He is currently has a clinical focus on treating patients with metastatic breast cancer and triple-negative breast cancer and conducts clinical trials on novel therapeutics for these diseases. His laboratory research interests include the molecular biology of breast cancer initiation, the intersection of tumor immunology with cancer growth pathways and the development of molecular tools to interrogate neoplastic tissues.



Tuhin Guha

Postdoctoral Research Fellow, Genetics

Ph.D., M.S., Microbiology, University of Manitoba, Canada 

Dr. Tuhin Guha is a postdoctoral research fellow in the Snyder lab, where he is using highly multiplexed imaging modalities, such as CODEX and Nanostring to understand the precancer/tumor microenvironment from Familial Adenomatous Polyposis (FAP)  More patient samples. His doctoral work involved biochemical characterization of DNA cutting enzymes (Meganuclease) and designing ‘on/off’ switch for temporal regulation of ‘molecular scissors’ for efficient genome editing. Previous postdoctoral training involved modified CRISPR-Cas system for increasing the efficiency of gene editing in mammalian cells/Xenopus embryos and alternative gene therapy approach to treat various muscle disorders using the diseased mouse models.


Brian Johnson

Postdoctoral Research Fellow, Genetics

Doctor of Philosophy
University of Pennsylvania

Maya Kasowski

Clinical Instructor, Pathology
Postdoctoral Research Fellow, Pathology

Residency and Pathology Fellowship
Stanford University

Ryan Kellogg

Postdoctoral Research Fellow, Genetics

Doctor of Philosophy,
Eidgenossische Technische Hochschule (ETH Zurich)

Research interest:  integrating wearable sensor data with multiomic profiling using biological microsamples. PhD: ETH Zurich, Systems Biology. Photo attached.

Linda (Yu-Ling) Lan

Postdoctoral Research Fellow, Genetics

Ph.D., Immunology
University of Chicago


Research interests: Linda  is interested in how immune functions work as a system in response to vaccination/infection. Her current study explores how cardiorespiratory fitness affects immune cell populations, T cell and antibody repertoire diversity, and humoral immune responses post-influenza vaccination.

Brittany Lee

Postdoctoral Research Fellow, Genetics

Doctor of Philosophy,
University of Florida

Research Interests: Metabolomics, Microbiome.  Brittany is interested in the interactions and communication between host and microbiome through metabolites and resulting effects on host health. 


Hayan Lee

Postdoctoral Research Fellow, Genetics

Computer Science, Ph.D.
State University at Stony Brook, New York

Research interest: developing methods (tools/software) using statistical machine learning and deep learning using clinical data and/or long reads produced by 3rd generation sequencing technology such as PacBio, Moleculo, Oxford Nanopore, etc. This includes de novo genome assembly, single cell, cancer data analysis, time series data analysis and population structure to analyze big data, infer critical factors, predict the future and discover biological importance.

Before Hayan moved  to Stanford, she served as a Simons postdoctoral fellow at Joint Genome Institute (JGI).   Her Ph.D. dissertation was “Algorithms and Applications in Genome Assembly Using Long Read Sequencing Technology”, advised by Prof. Michael Schatz, Simons Center for Quantitative Biology, Cold Spring Harbor Laboratory (CSHL). Hayan received her Master’s degree from Carnegie Mellon University. The master's degree thesis was published at 70th IEEE Vehicular Technology Conference. Her undergraduate degree with Cum Laude was received at Seoul National University in Korea and she worked for 4 years at AhnLab, Inc.,  programming Windows kernel-level file system filter driver for V3 anti-virus program.



Liang Liang

Postdoctoral Research Fellow, Genetics

Doctor of Philosophy
Stowers Institute for Medical Research

Research interests: Women’s Health, Maternal and Fetal Health, Pregnancy, Preterm birth, Multi-omics, Longitudinal profiling, Metabolomics, Biomarker discovery

Petra Mamic

Postdoctoral Medical Fellow, Genetics 

Harvard Medical School, M.D. 

Internal Medicine Residency
Stanford University

Fellowship in Cardiovascular Medicine at Stanford University

Research interest:  gut microbiome in cardiovascular disease.

Tim MacKenzie

Postdoctoral Medical Fellow, Genetics 
Fellow in Genetics

Chemistry, Ph.D.
Stanford University


David Marciano

Postdoctoral Research Fellow, Genetics

Chemical Biology, Ph.D.
Scripps Research Institute Kellogg School

Research interest: is focused on extracellular vesicle biology and the development of vascular therapies. 

Tejaswini Mishra

Postdoctoral Research Fellow, Genetics Project Lead for iPOP, hPOP, and the COVID-19 Wearables Study

Cell and Developmental Biology, Ph.D.

The Pennsylvania State University

Research Interests: Bioinformatics, Precision Health, Precision Medicine, Longitudinal Data, Multi-Omics, Wearables Sensors, Space Biology, Systems Biology.

Bio: Tejaswini’s research interests lie at the intersection of biomedical research,  More precision medicine, and bioinformatics.  She previously led the Snyder lab arm of the NASA Twins Study, and currently leads the iPOP, hPOP and COVID-19 Wearables studies within the lab. Her work revolves around using longitudinal biomedical data (omics and wearables) to understand physiological variation across individuals, to establish personal healthy molecular profiles, to study individual metabolic dysregulation patterns, and to identify changes associated with lifestyle, illness, and space travel (NASA Twins Study), with the ultimate goal of predicting diseases early and using personalized medicine to manage health.


Emma Monte

Postdoctoral Research Fellow, Genetics

Ph.D., University of California Los Angeles
B.S., University of California Berkeley

Research interests: Cardiovascular disease, genetics, molecular biology, stem cell biology.

Mahdi Moqri

Postdoctoral Research Fellow, Genetics

Ph.D., University of Florida


Research interests:focuses on multi-omics and epigenomics of aging and rejuvenation at Sebastiano Lab (Institute for Stem Cell Biology and Regenerative Medicine) and Snyder Lab (Department of Genetics).

Bio: Mahdi Moqri, PhD is an NLM Postdoctoral Fellow in Biomedical Informatics as well as an academic graduate student at Stanford. He served as an Assistant Professor of Information Systems at Iowa State University, developing large-scale machine learning models for predicting patients’ outcomes, before joining Stanford.

Michael Nshanian

Ph.D., Biochemistry, Molecular & Structural Biology, University of California, Los Angeles

Research interest:  Histone epigenetics, chromatin biology, integrated multi-omics. Specifically, understanding the regulatory effects of short-chain acyl-lysine histone modifications and their effect on chromatin structure and gene expression.


Daniel Panyard

Postdoctoral Research Fellow, Genetics

Ph.D., Epidemiology, University of Wisconsin-Madison

Research interests: Molecular epidemiology, complex disease, genomics, metabolomics, proteomics, statistics, bioinformatics

Heyjun Park

Postdoctoral Research Fellow, Genetics

Nutritional Sciences, Ph.D, Cornell University (Minors: Genomics, Epidemiology)

Clinical Dietetic Internship, University of California, San Francisco Medical Center, RD

  • Research interests: 
    - Impact of diet and sleep on onset and progression of type 2 diabetes using wearable technologies
    - Chrono-nutrition profiles of individuals at risk for type 2 diabetes 
    - Identification of data-driven dietary patterns of people and their effects on multi-omics profiles. 
  • Heyjun  More believes that lifestyle factors such as diet and sleep are strong predictors of onset and progression of chronic diseases along with genetic predisposition. Therefore, her primary research goals are to discover novel molecular markers of chronic diseases by analyzing diet and sleep patterns of the individuals at risk or with chronic diseases; and to develop personalized recommendations to optimize health.  Heyjun is a biomedical scientist with her PhD in nutritional sciences at Cornell University; she has expertise in nutrition, physiology, molecular biology, genetics, and epidemiology. She is also a registered dietitian with clinical dietetic training at the UCSF Medical Center before joining the Snyder lab. 


Jeniffer Quijada

Postdoctoral Research Fellow, Genetics

Chemistry & Chemical Biology, Ph.D. Northeastern University

Ekanath Srihari Rangan

Postdoctoral Research Fellow, Genetics

M.B.B.S., Amrita Institute of Medical Sciences and Research

Research interests: Wearable medical systems for non-invasive and pervasive health monitoring in cardiovascular and critical care contexts; Correlation of genomic aspects of disease with phenotypic data from electronic health records; Informatics and machine learning for precise detection and early warning of infectious diseases; Preemptive protocols for managing disease  More severity trajectories; And IoT based Telemedicine. Ekanath's current research involves large scale study of resting heart rate, clinical symptoms and daily activities as they relate to COVID-19, as well as their time series big data analysis for risk stratification.


Morteza Roodgar

Postdoctoral Research Fellow, Genetics

Doctor of Veterinary Medicine, University of Shiraz
Comparative Pathology, Ph.D., Unversity of California Davis School of Veterinary Medicine

Research interests: applications of genomics in comparative medicine and animal models (primates).

Sophia Miryam S. Rose

Instructor, Genetics

Fellowship, Stanford School of Medicine/Palo Alto VA Health Care System, Spinal Cord Injury 

Intern and Resident, University of Wisconsin Hospital & Clinics, General Surgery

Population Health Sciences, Ph.DP
University of Wisconsin - Madison

Research interests: Understanding the biological effects of  the exposome using multiomics profiling.  The areas of the exposome I am most interested in include lifetime stress and adversity and environmental chemical exposures

Akshay Sanghi

Postdoctoral Research Fellow, Genetics

Doctor of Philosophy
Stanford University

Xiaotao Shen

Postdoctoral Research Fellow, Genetics

Doctor of Philosophy,
Chinese Academy Of Sciences

Research interests: Metabolomics, Multi-omics, Biostatistics, Systems Biology, and Bioinformatics, and their application in healthcare.

Xiaotao's research focuses  on the development of bioinformatic algorithms and tools for large-scale metabolomics as well as its application in discovering new biomarkers related to human diseases. He has developed several algorithms and tools.  The first algorithm was MetNormalizer, which is a machine learning-based algorithm for data normalization and integration of large-scale metabolomics. Then he developed a web-based tool, MetFlow, aiming to provide a comprehensive pipeline for data cleaning and statistical analysis of large-scale metabolomics. The most important algorithm he has developed is MetDNA, which is a novel algorithm for metabolite identification and dysregulated pathway analysis in untargeted metabolomics.


Ming-Shian Tsai

Postdoctoral Research Fellow, Genetics

Doctor of Philosophy
National University of Taiwan

Research interests:  microbiome, drug regulation, and human diseases.

Meng Wang

Basic Life Research Scientist, Genetics

Statistics, Ph.D. Basic Life Research Scientist, Genetics

Statistics, Ph.D.
University of California, San Diego

Research interests: statistical method development and analysis, machine learning, -omics data integration, system biology.


Yue Wu

Postdoctoral Research Fellow, Genetics
Institute of Bioinormatics, Ph.D. 
University of Georgia
 Research interest:  Metabolomics, time series, dynamics, machine learning. Yue extracts knowledge from biological time series. He connects biological states from omics data and infers functional variations related to biochemistry, disease, and clinical application. 


Sai Zhang

Postdoctoral Research Fellow, Genetics

Computer Science and Technology, Ph.D. Tsinghua University


Research interests:  Machine Learning, Computational Genomics, Statistical Genetics and Computational Medicine


Allison Xinyue Zhang

Postdoctoral Research Fellow, Genetics

Doctor of Philosophy,
University of Kansas

Research interest: Exposome and how environmental exposures affect your health.

Bingqing Zhao

Postdoctoral Research Fellow, Genetics

Doctor of Science,
EMBL, Ruprecht Karl Universitat Heidelberg

Research interests: transcriptional regulation in health and in disease.

Xin Zhou

Postdoctoral Research Fellow, Genetics

Genetics and Genome Science, Ph.D.
University of Connecticut Health Center & The Jackson Laboratory for Genomic Medicine

Research interests: employing new methods to better understand the moving interactions between the human immune system and the environmental factors such as the microbiome.