ASSOCIATE PROFESSOR & GRADUATE OFFICER | DEPARTMENT OF BRAIN & COGNITIVE SCIENCES
INVESTIGATOR | MCGOVERN INSTITUTE FOR BRAIN RESEARCH
Mark joined the faculty at MIT in 2015 and was tenured in 2023. He became Graduate Officer in 2021. He received his B.A. in Biology from Reed College in Portland, Oregon and his Ph.D. from the University of Texas at Austin. Prior to joining MIT, he was a postdoctoral researcher at the Howard Hughes Medical Institute’s Janelia Research Campus in Ashburn VA.
46-6143A | 617.324.6989 | harnett at mit dot edu
Research Scientists & Postdocs
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Courtney Yaeger (She/Her), Ph.D | Research Scientist
Courtney joined the lab in January of 2019. She received her B.S. in Neuroscience (Independent Plan of Study) from the University of Illinois and her Ph.D. in Neuroscience from the University of California, Los Angeles. Courtney is an LSRF fellow.
yaeger at mit dot edu
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Chunyan Wu (She/Her), Ph.D | Postdoctoral Associate
Chunyan joined the lab in October of 2021. She received her B.S. in Bioengineering from the Hefei University of Technology in China, her M.Eng. in Biomedical Engineering and her Ph.D. in Biomedical Sciences from Cornell University.
cw674 at mit dot edu
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Zhaoran (Joanne) Zhang (She/Her) Ph.D. | Postdoctoral Associate
Joanne joined the lab in April 2024. She received her B.S. in Biology from Sichuan University and her Ph.D. in Neuroscience from University of California, Riverside.
Zhaoran at mit dot edu
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Cynthia Rais (She/Her), Ph.D. | Postdoctoral Fellow
Cynthia joined the lab in July of 2024. She received her B.S. in Biology and Master of Neuroscience from the University of Bordeaux, France and her Ph.D. in Neuroscience from the University Medical Center Hamburg-Eppendorf, Germany.
crais at mit dot edu
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Raúl Mojica Soto-Albors (He/Him)
Raul first joined in the lab in June 2017 as part of MSRP, and returned in February 2018 as a Visiting Scholar. He came back to the lab for graduate school from 2020-2025. He received his B.S. in Biology from the University of Puerto Rico at Mayagüez.
rmojica at mit dot edu
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Ziyu Liang (She/Her), Ph.D | Postdoctoral Associate
Ziyu joined the lab in March of 2026. She received her B.S. in Biology, Physiology, and Neurobiology from Peking University in China and her Ph.D in Neuroscience from the University of Southern California.
ziyu1202 at mit dot edu
Graduate Students
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Gabriela Rasch (She/Her) | BCS Graduate Student
Gaby joined the lab in April 2022. she received her B.S. in Biomedical Engineering with a minor in psychology from Florida International University in Miami, FL.
grasch at mit dot edu
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Abhiram (Abhi) Iyer (He/Him) | EECS Graduate Student
Abhi joined MIT as a grad student in 2022 and joined the lab in 2024. He received his B.S. in Computer Engineering from UC San Diego in 2019 and his M.S. in Electrical and Computer Engineering from Carnegie Mellon University in 2021. Abhi is a K. Lisa Yang ICoN Graduate Student Fellow.
abiyer at mit dot edu
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Rachel Sava (She/Her) | MEMP Graduate Student
Rachel joined the lab in July 2025. She received her BSc in Neuroscience at UCL and MSc in Biotechnology at ETH Zurich. She is a Medical Engineering and Medical Physics PhD student at Harvard-MIT HST.
rasava@MIT.EDU
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Sydney Campbell (She/Her) | BCS Graduate Student
Sydney joined the lab in July 2025 and is co-advised by Dr. Brandon Weissbourd. Prior to joining the BCS PhD program, she graduated with a B.S. in Neuroscience, B.A. in Philosophy, and a minor in Biology from Santa Clara University in 2022. She then went on to complete two years of post-baccalaureate research in the lab of Dr. Michael Tri Do at Harvard Medical School and Boston Children's Hospital.
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Julia Laventhall (she/her) | BCS Graduate Student
Julia joined MIT as a graduate student in the fall of 2024, then joined the lab in November 2025. She received her BA in Physics and Neuroscience from Barnard College in 2024. Julia was a recipient of the MIT Presidential Graduate Fellowship to fund her first year of graduate school.
Undergraduate Students
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Ellie Sandholm (She/they) | Summer Undergraduate Research Technician
Ellie joined the lab in 2026 and is a current student at Wellesley College studying to get their B.A. in Neuroscience.
ellsand at mit dot edu
Staff
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Abi (Zilan) Ding (She/her) | Research Technician
Abi (Zilan) joined the lab in June 2024. She earned her B.A in Neuroscience from Vassar College.
zilan662 at mit dot edu
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Ece Erdogan (She/Her) | Research Technician
Ece joined the lab in June 2025. She earned her B.S. in Neuroscience from Brown University.
eceer571@mit.edu
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Ava Hargrave (She/Her) | Research Technician
Ava joined the lab in June 2026. She earned her B.A. in Neuroscience and Behavior from Barnard College.
avah04 at mit dot edu
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Sara Sinasac (She/her) | Research Technician
Sara joined the lab in June 2026. She earned her B.S. in Neuroscience from Case Western Reserve University.
ssinasac at mit dot edu
Most Importantly
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Hilko, Lab Lab
Hilko joined the lab in 2024.
Alumni
Julia Dzuibek
Graduate Student
2022-2023
Jakob Voigts
Postdoc
2016-2022
Nicholas Miller
Research Technician
2019-2022
Marissa Hansen
Post Baccalaureate
2016-2018
Vincent Tang
Grad Student, 2020-2025
Postdoc, 2025-2026
Mila Halgren
Graduate Student
2020-2025
Claire Duan
Research Technician
2023-2025
Dimitra Vardalaki
Graduate Student
2019-2023
Trang Pham
Research Technician
2021-2024
Marie-Sophie Helene van der Goes
Graduate Student
2016-2022
Lou Beaulieu-Laroche
Graduate Student
2016-2021
Derrick Barnagian
Research Technician
2015-2018
Alexa Breidinger
Lab Administrator
2018-2025
Quique Tolosa
Tech, 2018-2019
Grad Student, 2020-2025
Jaeyoung Yoon
Postdoc
2019-2023
Norma Brown
Research Technician
2018-2022
Lukas Fischer
Postdoc
2015-2022
Mathieu Lafourcade
Postdoctoral Associate
2015-2020
Olga Vieira
Lab Administrator
2015-2018
Valerio Francioni
Postdoc
2020-2025
Gale Gao
Research Technician
2023-2025
Anna Beltramini
Research Technician
2022-2024
Vardhan Dani
Research Scientist
2015-2017
Weizhuo Liu
Research Technician
2024-2026
Undergraduate Alumni
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Molly Naegle | 2017-2018
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Friederike Buck | 2016-2018
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Keith Murray | 2019-2021
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Liane Xu | 2019-2020
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Raphi Kang | 2020-2021
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Helen Yang | 2020-2022
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Pranav Murugan | 2020-2022
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Kathleen Esfahany | 2022-2023
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Brigette Wang | 2020-2022