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People

Principal Investigator


  • Joseph Liao, MD

    Joseph Liao, MD


    Principal Investigator
    jliao@stanford.edu

    Joseph Liao is a urologic surgeon scientist recognized for his contributions in image-guided surgery, molecular diagnostics, and medical device development for urological diseases.  Dr. Liao holds the Kathryn Simmons Stamey endowed professorship at Stanford University, and serves as the vice chair for academic affaris, director of research, and co-director of the endourology fellowship in the Department of Urology.  He also directs the new NIH/NIDDK-funded K12 Urologic Research at Stanford (KUReS) training program for faculty scholars. Dr. Liao's clinical interests include bladder cancer, upper tract urothelial carcinoma, prostate cancer, and urinary stone disease.  

    Dr. Liao graduated from Harvard College and earned his medical degree from Stanford School of Medicine. He completed his urology residency and fellowship in endourology & minimally invasive surgery at UCLA Medical Center.  Dr. Liao is an elected member of the American Society of Clinical Investigation and is the current President of the Engineering & Urology Society.

    CAP profile link    

Lab Members


  • Kathy Mach, PhD

    Kathy Mach, PhD

    Senior Research Scientist / Lab Manager

    Kathy Joined in 2007 , received her PhD in biochemistry from Vanderbilt then moved to Stanford for and postdoctoral training in Stuart Kim’s lab. She has been the lab manager since 2007 and has developed urine-based molecular diagnostics for urinary tract infections and bladder cancer 

  • Gene Shkolyar, MD

    Gene Shkolyar, MD

    Clinical Assistant Professor (Urologic Oncology)

    Gene joined in 2018, was born in Kyiv and moved to New York with his family when he was 3 years old. He received his MD at UCLA in 2015 and completed his urology residency and urologic oncology fellowship at Stanford. His research is focused on bladder cancer imaging, urine diagnostics, and clinical trial design.  

  • Daniel Massana, PhD

    Daniel Massana, PhD

    Postdoctoral Scholar

    A native of Spain, joined in 2017 ,Daniel obtained his BS in Chemistry from the Universidad Autónoma de Madrid and his PhD in Chemistry from Clarkson University in New York in 2022. Daniel's research is focused on development of biomaterials for kidney stone removal and the interface between kidney stone disease, urinary tract infections, and biofilms.

  • Liang Qiu

    Liang Qiu

    Postdoctoral Scholar

    Liang joined in 2024, received his PhD in Biomedical Engineering from National University of Singapore. His primary focus lies in the fields of medical AI and surgical robotics. He is currently developing AI models to optimize cystoscopy and transurethral resection of the bladder tumor (TURBT)

  • Qingsong Yao

    Qingsong Yao

    Postdoctoral Scholar

    Qingsong joined in 2024, got his Ph.D. Degree from the Chinese Academy of Science. His research interest focus on developing computer-aided algorithms for helping doctors to better distinguish bladder cancer in the cystoscopy surgery.

  • Jessie Ge, MD

    Jessie Ge, MD

    Urologic Oncology Fellow

    Jessie joined in 2021, attended Caltech for college and med school at Washington University in St. Louis, and completed a HHMI Medical Student Research Fellowship with Sam Gambhir at Stanford. She is spearheading technology development for magnetic surgical removal of kidney stones and precision health

  • Zac Kornberg, MD

    Zac Kornberg, MD

    Urology Resident

    Zac Kornberg image

    Zac Kornberg, MD

    Urology Resident

    ztk@stanford.edu
    Joined: 2022

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    Zac joined in 2022 , is a San Francisco native, he completed his undergraduate degree at Columbia University and graduated from medical school at UCSF. He is currently a urology resident with interest in urologic oncology.  His research interests include development and validation urine-based diagnostics for bladder cancer.  

  • Tim Lee, MPH

    Tim Lee, MPH

    Data Scientist

    Tim joined in 2019, graduated from UCSD with a BS in human biology in 2017 and completed his MPH with a concentration in epidemiology and biostatistics at UC Berkeley in 2022.  He started as a clinical research coordinator in the lab and now manages and maintains the various lab datasets.  Outside of the lab, Tim enjoys playing his guitar, playing video games with friends, and reading fantasy books.

  • Mark Laurie, MS

    Mark Laurie, MS

    Graduate Student

    Mark joine in 2018, received his BS in Biomedical Computation at Stanford and is currently a graduate student in Computational and Mathematical Engineering (CME). Mark is interested in development of multimodal AI algorithms to guide decision support system for bladder cancer detection and treatment.

  • Vinh La

    Vinh La

    Clinical Research Coordinator

    Vinh joined in 2021 , received his BA in global disease biology from UC Davis in 2020. Since joining the lab, Vinh recruits and consents human subjects, process biological samples, and collects data in the OR to support various projects in the lab. In his free time Vinh enjoys going on road trips, snowboarding, and rock climbing. 

  • Jin Long, PhD

    Jin Long, PhD

    Senior Biostatistician

    Jin joined in 2021, received his PhD in Biostatistics from Texas A&M University in 2010. In addition to his role in the lab, he is the senior biostatistician in the Stanford Center for Artificial Intelligence in Medicine & Imaging. His research interests include developing methods or programming on statistical modeling, machine learning and artificial intelligence using medicine and imaging data.

  • Gabriela Rodriguez

    Gabriela Rodriguez

    Clinical Research Coordinator

    Joined in 2022, Originally from San Francisco, Gaby graduated from Lewis & Clark College in Portland, OR where she studied biology. She recruits patients from Stanford Hospital and Palo Alto VA.  When she's not with patients, in the lab, or in the operating room, Gaby enjoys traveling, spending time with her dogs, and going to Giants games.