We are excited to announce the HBHI Graduate Academy 2026 cohort! Congratulations to our newest class.
Anjani Sharma, MHA
HBHI Mentor: Laura Sigman
Anjani is a seasoned management consultant with a proven track record of driving organizational growth and change. She’s a passionate problem solver who takes pride in bringing innovative solutions to the forefront of business challenges. Her commitment to healthcare was shaped by over a decade of experience across diverse avenues of service and support. Anjani is now pivoting her career to bring her management experience, consulting expertise, and problem-solving mindset to a health system. Her areas of focus include workforce development, culture transformation, organizational effectiveness, and strategy execution in complex, matrixed organizations.
Bonnie Koo, MPH/MBA
HBHI Mentor: Dan Polsky
Bonnie Koo believes real transformation in healthcare starts with asking better questions and connecting the dots that truly matter. A former surgical and critical care pharmacist, she now works at the intersection of innovation and strategy as an MPH/MBA candidate at Johns Hopkins. Having worked across clinical care, pharma, and digital health startups, she has seen that innovation only creates impact when paired with thoughtful execution and scalable business models. Through HBHI, she is committed to building a collaborative community of healthcare leaders who translate ideas into solutions that truly reach patients.
James Buchanan, MD/MBA
HBHI Mentors: Vadim Dukhanin/Kathy McDonald
James Buchanan is an MBA candidate and medical student at Johns Hopkins University. He earned his B.S. in Chemical and Biomolecular Engineering from the University of Tennessee, where he conducted neuroscience and machine learning research.
James has three years of experience in healthcare and academic research, including work in cardiac surgery at Johns Hopkins. Before medical school, he served as a Team Leader with AmeriCorps NCCC, leading disaster relief, public health, and economic development projects across the U.S. His leadership earned him the Congressional Award and the President’s Volunteer Service Award.
He is now developing an AI-powered outpatient triage tool, combining his interests in healthcare innovation, and entrepreneurship. His clinical interests are in Physical Medicine and Rehabilitation.
Outside of work, James enjoys weightlifting, running half marathons, and competing in Hyrox fitness races. He is passionate about creating solutions that bring together science, systems thinking, and behavior change to improve lives.
Lydia Fisher, MPH. MBA
HBHI Mentor: Karen Shen
Nina Zorfass, MHA
HBHI Mentor: Julia Levine
Originally hailing from New York, Nina is currently earning her master's in health administration (MHA) at Johns Hopkins University in Baltimore, MD. With over a decade of career experience holding various leadership roles in health and wellness organizations, Nina decided to embark on a new chapter in healthcare. She is passionate about generating greater opportunities for patients and families to make empowered decisions on their care journeys. Nina is excited to be a part of HBHI, where she can learn and grow from mentors, industry leaders, and Graduate Academy peers.
Sarah Slann, MHA
HBHI Mentors: David Tan/Catherine Ettman
Sarah is originally from south Florida but attended school at the University of Michigan. There, she majored in public health, combining her interests in economics, psychology, policy, healthcare, and more. Sarah is passionate about healthcare operations, policy, and accessibility. In her free time, she loves to read and travel!
Sodiq Yusuff, MBA
HBHI Mentor: Elyse Lasser
Dr. Sodiq Yusuff is a physician and global health researcher with an MSc in Global Health Science and Epidemiology from the University of Oxford. He is a 2nd year MBA candidate at the Johns Hopkins Carey Business School. He brings over seven years of experience spanning public health consulting, infectious disease research, and healthcare strategy across Africa, Europe, and the U.S. Dr. Yusuff has led multimillion-dollar health projects funded by Gavi and the Gates Foundation, authored twelve peer-reviewed publications, and served as a reviewer for journals including The Lancet Infectious Diseases. His work sits at the nexus of analytics, innovation, and policy, advancing healthcare access and data-driven decision-making worldwide.