Meet the Team
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Emily Sontag, Ph.D.
Principal Investigator
Emily is an Assistant Professor interested in all things Proteostasis. She earned her B.S. in Chemistry from Rose-Hulman Institute of Technology. She received her Ph.D. in Biological Chemistry from the University of California, Irvine under Dr. Leslie Thompson. Emily did her post-doctoral work at Stanford University with Dr. Judith Frydman. The Sontag Lab started in 2020 at Marquette University.
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Chloe Langridge
Ph.D. Student
Chloe is a graduate student studying how holdase chaperones interact with misfolded proteins and handoff to foldase chaperones.
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Brandon Nakamura
Brandon is currently an undergraduate researcher in the lab.
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Andy Perino
Andy is currently a summer undergraduate research student in the lab.
Lab Fun!
Sarah's defense celebration! May 6th, 2025
Michael presenting his research to Provost Kimo Ah Yun at the Summer Research Program poster session. August 9th, 2024
Chloe having fun at the Midwest Stress Poster Session. January 20th, 2024
Sarah and Em relaxing with a much deserved margarita after the 12th International Symposium on Heat Shock Proteins in Biology, Medicine, and the Environment in Old Town Alexandria, Virginia. October 31st, 2023
Lab at the 2023 HDSA Team Hope Walk. August 27th, 2023
Lab Mental Health Day at the Boerner Botanical Gardens. July 31st, 2023
The Sontag lab at the Brewer's game. June 21st, 2023
Sarah Rolli presenting at 2023 GRC. June 15th, 2023
Sarah Rolli receiving the 2023 Smith Award for Academic Achievement! May 16th, 2023
Sarah Rolli presenting at the Marquette 3MT Competition where she won 1st place for best presentation! February 24th, 2023
Sarah Rolli presenting at the Marquette Forward Thinking Symposium where she won an award for best presentation! November 29th, 2022
Dr. Sontag and Sarah enjoying Boston during the 2022 HDF Meeting. August 28th, 2022
Michael Flanagan presenting his work to the department. April 29th, 2022
2021 HDSA Team Hope Walk. August 29th, 2021
Lab Alumni
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Sarah Rolli
Sarah completed her PhD entitled “Investigating the Role of Chaperones and Sequestrases in Misfolded Protein Sequestration” in 2025. She is currently the Senior Yeast and Fermentation Scientist at Molson Coors in Milwaukee, WI
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Sara Craig
Sara was a lab technician from 2023-2024. She is currently a graduate student in Dr. Allison Abbott’s lab at Marquette.
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Bella Austria
Bella was an undergraduate researcher from 2024-2025.
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Abby Matuszak
Abby was an undergraduate researcher from 2023-2024.
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Michael Nicholas
Michael was an undergraduate researcher from 2023-2024.
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Michael Flanagan
Michael was an undergraduate researcher from 2021-2023. He is currently a Quality Assurance Lab Technician at Ellsworth Adhesives in Germantown, WI.
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Elena Grant-Guerra
Elena was an undergraduate researcher from 2022-2023.
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Iveliz Sanchez
Iveliz was an undergraduate researcher from 2022-2023. She then went on to receive her Master’s Degree in Pharmacology and Physiology from the University of Florida. She is currently a Medical Assistant at Children’s Wisconsin in Milwaukee, WI.
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Spencer Acker
Spencer was an undergraduate researcher from 2022-2023.
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Leona Kondic
Leona was an undergraduate researcher in 2021.