Daniel A. Hashimoto, MD MTR

Dr. Hashimoto is assistant professor of surgery at the Hospital of the University of Pennsylvania (HUP) and director of PCASO. He is a foregut and endoscopic surgeon and translational surgical data scientist. He is co-founder and vice chair of the board for the Global Surgical AI Collaborative. His primary research interests are in applications of computer vision to intraoperative surgical decision making and the development of automated feedback mechanisms for surgical trainees. He is an ardent believer in multidisciplinary education and enjoys working closely with both surgical trainees and engineering/CS students.

Eric Eaton, PhD

Professor Eaton is research associate professor of computer and information sciences at the University of Pennsylvania School of Engineering and Applied Sciences, where he leads the Lifelong Machine Learning group within the GRASP Lab . His primary research interests are in lifelong learning, knowledge transfer between learning tasks, and interactive AI.

Matjaz Jogan, PhD

Dr. Matjaz Jogan is Senior Research Investigator at the University of Pennyslvania PCASO Lab. He earned his PhD in computer science from University of Ljubljana, Slovenia, and completed his postdoctoral research fellowship with Dr. Alan Stocker in the Computational Perception and Cognition Lab at the University of Pennsylvania. He has received research awards from Neural Information Processing Systems (NeurIPS). Before joining PCASO Lab, he was principal research engineer in machine learning and AI at Johnson & Johnson Ethicon. 

Maria Altieri, MD FACS

Dr. Maria Altieri is currently the Section Chief, GI Surgery at Pennsylvania Hospital, University of Pennsylvania in Philadelphia, PA.  She completed her residency at SUNY Stony Brook and then went on to complete her fellowship in minimally invasive and bariatric surgery at the Washington University in St. Louis, Missouri.  Dr. Altieri’s clinical interests include bariatric and minimally invasive surgery.  She has presented at national meetings, published in peer reviewed medical journals and authored book chapters in these areas.  Her additional interests include graduate medical education, clinical outcomes research and disparities.  Dr. Altieri is an active member and holds leadership positions in several organizations including the American College of Surgeons, the Society of Gastrointestinal and Endoscopic Surgeons, the Society for Surgery of the Alimentary Tract,  and the Association of Women Surgeons, amongst other societies. 

Trainees, Students, and Research Assistants

Samuele Canas, MD MS - Surgical Research Fellow

Dr. Canas is a bioengineer turned surgeon from Pisa, Italy, who is currently a surgical research fellow at the Hospital of the University of Pennsylvania. He is building a database of robotic pancreaticoduodenectomy video for the development of automated assessment of robotic surgery for complex GI operations.

Sai Koushik, BE - ESE Master's Student

Sai Koushik is a 2nd year ESE Master's student with prior experience in generative adversarial techniques for reducing artifacts in fundus imaging. He has a broad range of interests and is working on projects ranging from tool-tissue interaction detection in robotic pancreaticoduodenectomy to enhancing privacy preservation in surgical data. 

Vivek Singh, BA - Research Assistant

Vivek Singh is a third-year medical student at Boston University School of Medicine who is taking a year off as a research assistant at PCASO. Previously a health sciences journalist, Vivek is investigating patient perceptions of AI as applied to interventional healthcare, such as surgery, interventional radiology, gastroenterology, and other fields.

Shubha Vasisht, BA - Research Assistant/Measey Scholar

Shubha Vasisht is a Penn Surgery Measey scholar and an alumnus of the University of Pennsylvania with a B.A. in Computational Biology and a minor in computer science. She works at PCASO on a range of projects that include annotation, clinical data collection, and programming.


Sruthi Kurada - Undergraduate Student

Sruthi Kurada is an undergraduate student in Penn’s Jerome Fischer Program in Management and Technology. Majoring in computer science and quantitative finance, Sruthi has experience in computational genomics for cancer risk prediction and natural language processing for analyzing voice data to identify patients with Parkinson Disease. 


Patrick Paglia - ROBO Master's Student (2022-2023)

Fariha Tamboli - ROBO Master's Student (2022-2023)

Rong Fan - ESE Master's Student (2022-2023)

Jack Kovach - Undergraduate Student