Lab Members

Principal investigator



Ran Blekhman, Ph.D.
Associate Professor
blekhman ~ uchicago.edu
(773) 834-4533
blekhmanlab.org
@blekhman
Name pronunciation: Rahn
Pronouns: he/him/his
Ran Blekhman is an Associate Professor at the University of Chicago in the Section of Genetic Medicine within the Division of Biological Sciences. Ran joined UChicago in 2022, after nine years as faculty at the University of Minnesota. Before joining UMN in 2013, Ran was a Postdoctoral Associate working with Andrew G. Clark at Cornell University. Ran holds a Ph.D. in Human Genetics from The University of Chicago and a B.Sc. in Computer Science and Biology from Tel Aviv University.

Staff



Rich Abdill, Ph.D.
Lab Manager
rabdill ~ uchicago.edu
@richabdill
Google Scholar
Website
Rich is interested in analysis of large-scale publicly available data to learn about global variation in the microbiome. As a lab manager, he is leading our work on the Human Microbiome Compendium, and is involved with various other projects in the lab. Rich was previously a PhD student in our lab at the University of Minnesota and received his PhD in Bioinformatics and Computational Biology in 2022. After his PhD Rich worked as a computational biologist at the University of Pennsylvania before joining us at UChicago as a computational lab manager. Before graduate school Rich was a system programmer at the Minnesota Supercomputing Institute, and previously held positions as developer and engineer at Amazon Web Services, Target, and USA Today. Rich holds a B.A. in print journalism from the University of Maryland.


Marco Rossi, Ph.D.
Bioinformatician
mrossi3 ~ uchicago.edu
Google Scholar
Marco joined the lab in 2023 as a bioinformatician as part of the Host-Microbe Research Core in the Center for Interdisciplinary Study of Inflammatory Intestinal Disorders (C-IID). Marco holds a Ph.D. in Integrated Biomedical Sciences and an M.S. in Biotechnology, both from Rush University Graduate College, where he worked on machine learning analysis of the gut microbiome in cancer.

Postdoctoral Associates



Kelsey Johnson, Ph.D.
Postdoctoral Associate
NIH K99 Fellow
kej ~ umn.edu
Google Scholar
Kelsey is studying the genomics of human breast milk, with a focus on understanding the relationship between host genetics and the milk microbiome and the effect of this relationship on infant health. Kelsey is co-advised by Frank Albert, and is working in collaboration with Ellen Demerath at the University of Minnesota. Kelsey holds a bachelors degree from the University of Wisconsin-Madison, and a Ph.D. in Genetics & Epigenetics from the University of Pennsylvania, where she studied population and quantitative genetics with Ben Voight.


Mark Swanson, Ph.D.
Postdoctoral Associate
NSF Postdoctoral Research Fellow
zrw5436 ~ uchicago.edu
Google Scholar
Pronouns: he/him
Mark is interested in the co-evolution of hosts and their microbial communities, and his research focuses on using wild mammals as a model for understanding the mechanisms controlling this symbiotic relationship. Mark joined the lab in 2021 after completing a Ph.D. in Biological Sciences at Louisiana State University, and has previously worked in The Field Museum of Natural History and the LSU Museum of Natural Science.


Pamela Ferretti, Ph.D.
Postdoctoral Associate
pamela.ferretti ~ uchicago.edu
@pam_ferretti
Google Scholar
Website
Pamela joined our lab at UChicago in January 2023 as a Postdoctoral Associate. Her research is focused on characterizing patterns of vertical transmission and heritability in the gut microbiome, understanding how these patterns are shaped by the environment, and how they may impact the host. Before joining the lab, Pamela completed her PhD at EMBL with Peer Bork, and her MS at the University of Trento with Nicola Segata.


Sambhawa Priya, Ph.D.
Postdoctoral Associate
Chicago DFI Fellow
priyas ~ uchicago.edu
@sambhawa_priya
Google Scholar
Website
Sambhawa's research focuses on using machine learning approaches for understanding host-microbiome interactions. She is using large data sets, including omics data and electronic health records to shed light on the intricate links between the microbiome and disease. Sambhawa was a PhD student in our lab at the University of Minnesota between 2016-2021, and returned in 2024 after a postdoc position at the Broad institute. Sambhawa holds an M.S. degree in Computer Science from Lehigh University.

Graduate students



Trevor Gould
Graduate Student, Bioinformatics and Computational Biology
goul0109 ~ umn.edu
@TrevGould
Google Scholar
Trevor joined the lab in 2017 as a graduate student in the BICB program. Trevor's research interest revolve around characterizing the environmental and genetic factors that influence microbiome dynamics across individuals and populations. Trevor holds a B.A in Biology from the University of St. Thomas, an M.S in Biological Anthropology, Evolution, and Behavior from the University of London, and in the last few years has been working as a microbiome data analyst at the University of Minnesota Informatics Institute.


Samantha Graham
Graduate Student, Molecular, Cellular, Developmental Biology and Genetics
graha880 ~ umn.edu
@samanthapgraham
Pronouns: she/her/hers
Samantha's work focuses on understanding patterns of genetic variation and evolution in gut microbial communities. Samantha joined the lab in 2021 as a graduate student in the UMN MCDB&G program, after completing a B.S. in Quantitative Biology at the University of Southern California, where she performed research in Scott Fraser's lab.


Sabrina Arif
Graduate Student, Genetics, Genomics, and Systems Biology
sjarif ~ uchicago.edu
@microsabz
Google Scholar
Name pronunciation: suh-BREE-nuh ARE-eef (rhymes with “CAR”-“reef”)
Pronouns: she/her/hers
Sabrina is a graduate student in the Genetics, Genomics, and Systems Biology program at UChicago. Sabrina's research aims to understand how the gut microbiome regulates host genes, and how this regulation is affected by differences in microbiome composition across human populations, environments, and health. Before joining the lab in 2021 Sabrina was a researcher in Ryan Hunter's lab at the university of Minnesota, and she holds a B.A. from the University of Colorado Boulder.


Ashwin Chetty
Graduate Student, Genetics, Genomics, and Systems Biology
achetty ~ uchicago.edu
Ashwin's research focuses on developing and applying machine learning techniques for integrating microbiome and host genomic data. Ashwin joined the lab in 2021 and is a graduate student in Genetics, Genomics, and Systems Biology at the University of Chicago. He holds a B.S. in Computer Science and an M.S in Computer Science, both from the University of Chicago, where he performed research on methods to track and visualize cell movement trajectories in microscopy data.


Katja Della Libera
Graduate Student, Ecology and Evolution
katjadellalibera ~ uchicago.edu
Website
Katja joined the lab in 2022 as a graduate student in Ecology and Evolution at UChicago. Katja's research focuses on understanding the ecology of the human gut microbiome and associated host cells using metabolic modeling approaches and genomic data. Katja holds a B.S. from Minerva University with a double major in Earth’s Systems and Data Science.


JJ Colgan
Graduate Student, Molecular Metabolism and Nutrition
Digestive Health and Diseases T32 Fellow
jjcolgan ~ uchicago.edu
JJ is a graduate student in the Molecular Metabolism and Nutrition graduate program at UChicago. Before joining the lab in 2023, JJ completed a both a B.S. (in biology and bioinformatics) and an M.S. at Loyola University Chicago, where he worked with Michael Burns examining the microbiome in Celiac disease. JJ is co-mentored by Eugene Chang, and his research interests revolve around understanding the impact of gut bacterial metabolism on host health and disease.


Liz Gibbons
Graduate Student, Genetics, Genomics, and Systems Biology
Genetic Mechanisms and Evolution T32 Fellow
gibbonsliz ~ uchicago.edu
Google Scholar
Liz joined the lab in 2023 as a graduate student in the Genetics, Genomics, and Systems Biology program. She holds a BS in Plant Biology and Computational Math, Science, and Engineering from Michigan State University. Before joining the lab, Liz worked as a bioinformatician at the Van Andel Research Institute, where she performed research in quantitative genetics. At the Blekhman Lab, Liz works on integration of microbiome data and host single-cell genomic data.

You?

We are looking for researchers to join our group! See this page for more details, and contact Ran Blekhman with informal enquires.

Former Lab Members



Michael Burns, Ph.D.
HHMI Postdoctoral Associate
2013-2016
Assistant Professor
Loyola University Chicago
Lab website


Andres Gomez, Ph.D.
Postdoctoral Associate
2014-2016
Associate Professor
University of Minnesota, Twin Cities
Lab website


Elise Morton, Ph.D.
Postdoctoral Associate
2014-2016
Assistant Professor
Fairleigh Dickinson University
Lab website


Gargi Dayama, Ph.D.
Postdoctoral Associate
2016-2020
Senior Research Scientist
Boston University


Laura Grieneisen, Ph.D.
Grand Challenges in Biology Postdoctoral Fellow
2017-2022
Assistant Professor
University of British Columbia
Website


Beth Adamowicz, Ph.D.
Postdoctoral Associate and Research Scientist
2019-2022
Research Scientist, Microbiome Bioinformatics
Rebiotix, Inc.
Website


Mattea Allert, Ph.D.
Graduate Student
2018-2024
Postdoctoral Associate
University of Minnesota


Amanda Muehlbauer, Ph.D.
Graduate Student
2016-2022


Joshua Lynch
M.S. Student, BICB
2014-2015
Researcher, Insight Centre for Data Analytics
Karen Tang
Bioinformatician
2014-2023


Ben Wedin
Undergraduate Researcher
2014

Associate Computational Biologist
The Broad Institute of MIT and Harvard



Katherine Schroepfer

Undergraduate Researcher
2016

Genetic Counseling Graduate Program
University of Minnesota, Twin Cities


Monica Iram

Undergraduate Researcher
2019-2020

Undergraduate student
University of Minnesota, Twin Cities
Isaac Fink

High School Researcher
2018

Undergraduate Student
University of Chicago

Joanna Sands

High School Researcher
2014

Undergraduate Student
MIT

Margaret Sands

High School Researcher
2014

Undergraduate Student
MIT