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Innovation Ambassador

  • Jo Ellen Holt

    Jo Ellen Holt

    Dr. JoEllen Holt is an entrepreneurial leader in healthcare simulation and education at Vanderbilt University School of Nursing. As the Director of Simulation, she spearheads the development and evaluation of innovative simulation education programs. With a background in chemical engineering and…

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  • Sahar Takkouche

    Sahar Takkouche

    Dr. Sahar Takkouche is a nationally recognized leader in obesity medicine and Associate Chief Medical Officer at Vanderbilt University Medical Center for the Wilson and Sumner County regions. She directs the Vanderbilt Weight Loss Center, where she implements evidence-based, patient-centered…

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  • Shabnam Eghbali

    Shabnam Eghbali

    Dr. Shabnam Eghbali is a resident physician at Vanderbilt University Medical Center and a champion for healthcare innovation and gender equity in entrepreneurship. As co-founder of Theia, a nonprofit that supports women in healthcare ventures, she has built a global community, produced a podcast…

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  • James Weimer

    James Weimer

    Jim Weimer develops software and systems that bring machine learning and AI safely into the real world—especially in medicine. At Vanderbilt, he leads the Internet of Medical Things Lab and co-directs innovation initiatives bridging computer science, biomedical engineering, and clinical care…

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  • Daniel Fabbri

    Daniel Fabbri

    Dr. Daniel Fabbri is a leading voice in healthcare data security and AI-driven informatics. As the founder of Maize Analytics—based on his PhD research—he transformed how health systems monitor access to patient records using machine learning. Maize grew to become an award-winning leader in…

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  • Colin M. Barker

    Colin M. Barker

    Dr. Colin Barker is a national leader in interventional cardiology, specializing in complex percutaneous procedures and transcatheter therapies for heart valve disease. As Director of Interventional and Structural Cardiology at Vanderbilt, he spearheads programs that bring cutting-edge…

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  • Dann C. Martin

    Dann C. Martin

    Dr. Dann C. Martin is an Assistant Professor in the Department of Radiology within Vanderbilt University Medical Center. Dr. Martin's expertise in interventional radiology and medical imaging technologies as well as his background in engineering has positioned him at the forefront of clinical…

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  • Joshua Caldwell

    Joshua Caldwell

    Dr. Joshua Caldwell, a professor of Mechanical Engineering at Vanderbilt University, is renowned for his innovative contributions to the fields of semiconductor physics, infrared nanophotonics, chemical sensing, nanotechnology, and materials science. His research addresses critical challenges in…

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  • Robert Webster

    Robert Webster

    Bob Webster is revolutionizing mechanical engineering at Vanderbilt University, with a specialization in robotics and surgical device innovation. His work emphasizes precision engineering, creating groundbreaking tools that assist in minimally invasive surgeries. Bob's entrepreneurial vision has…

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  • Yiorgos Kostoulas

    Yiorgos Kostoulas

    Dr. Yiorgos Kostoulas brings a blend of academic insight and global industry experience to Vanderbilt’s innovation ecosystem. A former tech transfer officer at MIT and seasoned product manager in the semiconductor industry, Yiorgos has successfully led the commercialization of advanced optical…

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