Current Members

Sean Foradori

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Sean completed a B.S. in Chemistry at Lawrence Technological University, an M.S. in Chemistry at the University of Illinois at Urbana-Champaign, and a PhD in Materials Science and Engineering at UW-Madison. He also worked as a Chemist at Ford Motor Company and Analytical Chemist and Quality Manager at Stepan Company before joining the Arnold Group. Now, he works as a postdoctoral researcher for the Arnold Group and Sixline Semiconductor. His research focuses on carbon based field-effect transistors. In his free time, he enjoys watching ridiculous satire movies (such as Llamageddon, Sharktopus vs. Whalewolf, and Addams Family Values) and baking homemade bread with whatever ingredients are lying around.

Jia Wang

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Jia graduated with a B.E. in Materials Science and Engineering from Beijing Institute of Petrochemical Technology, an M.S. in Solid-State Electronic Physics from Ningbo University, and a PhD in Materials Engineering from University of Nebraska-Lincoln. She also worked as a postdoctoral researcher at the University of Nebraska-Lincoln in the Department of Physics and Astronomy. Her research focuses on 2D/1D material synthesis via chemical vapor deposition, including graphene nanoribbon growth and graphene/hBN heterostructure growth, characterization, as well as device fabriation and characterization using these materials. In her leisure time, she enjoys engaging in sports, spending time with her cat, and exploring culinary arts through cooking.

Tommaso Bianconi

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Tommaso graduated from the University of Perugia with a B.S. in Chemistry, M.S. in Chemical Sciences, and PhD in Biotechnology. He is currently a Researcher at Politecnico di Milano and a Marie Sklodowska-Curie Global Fellow at UW-Madison, coadvised by Mike Arnold and Martin Zanni. His research focuses on SWCNT-based device fabrication and their investigation using ultrafast spectroscopic techniques. In his free time, he enjoys running, playing guitar, and rugby.

Christopher Blackwell

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Chris earned a B.S. in Materials Science and Engineering at The Ohio State University. While at The OSU, he worked as an Undergraduate Research Assistant in the Jinschek Group, as a Laboratory Intern at the Institute of Chemical Technology at TU Bergakademie Freiberg, and as an R&D Intern at Touchstone Research Laboratory. His research in the Arnold Group focuses on carbon nanotubes and photovoltaics. Outside of the lab, he is an avid outdoorsman, budding backpacker, and novice scuba diver.

Katherine Su

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Katherine completed a B.S. in Materials Science and Engineering at Northwestern University. While at Northwestern, she worked as an Undergraduate Research Assistant in the Hersam Group, at Friedrich Schiller University-Jena, and at the National Insitute of Standards and Technology. Her current research focuses on the chemical vapor deposition of graphene and hexagonal boron nitride, as well as graphene-mediated assembly of block copolymers. In her free time, she enjoys playing the piano.

James Unzaga

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James completed a B.S. in Chemistry at Montana State University-Billings. While an undegraduate, he worked as an Undergraduate Research Assistant at MSUB, an Undergraduate Research Asssitant at Kansas State University, and an intern at Energy Laboratories, Inc. His research interests include carbon nanotubes, transistors, and liquid crystals. His hobbies include cooking, baking, going to the gym, and hiking. He also enjoys collecting plants, and his favorite dish to make is tarts.

Leonidas Georgopoulos

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Leo completed his B.S. in Materials Science Engineering at Northwestern University. While at Northwestern, he worked as an Undergraduate Researcher in the Hersam Group. He has also worked as a Post-Baccalaureate Researcher at Argonne National Laboratory in the Functional Nanoscale Heterostructures Group. His research interests include semiconducting carbon nanotubes for advanced nanoelectronics. In his free time, he enjoys exercising and being active, namely weightlifting, swimming, biking, and going on long walks. He also enjoys playing and competing in Pokemon Go and touring breweries from all over the place.

Yashwrdhan Pathaare

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Yashwrdhan completed his BTech in Metallurgical Engineering at the College of Engineering Pune. While there, he worked as an R&D Intern at the Defence Institute of Advanced, Pune, India and at Varroc Engineering. His research interests include thermal and thermo-chemical routes for the purification of carbon nanotubes. In his free time, he enjoys piano, poker, pool, singing, and theater.

Julia Yang

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Julia is currently pursuing a B.S. in Electrical Engineering at UW-Madison and joined the Arnold Group in 2024. Her research interests lie in semiconducting carbon nanotubes for devices. In her free time, she enjoys reading, watching movies, cooking traditional Taiwanese meals (such as braised pork rice and scallion pancakes), thrifting, and working out.

Rosey Yang

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Rosey is currently pursuing a B.S. in Materials Science and Engineering at UW-Madison and joined the Arnold Group in 2025. Her research interests lie in 2d materials, particularly graphene, and their applications. In her free time, she enjoys swimming, baking, spending time with her family, and watching concerts.