2026 HBHI Graduate Academy Cohort

Abby Langan, MPH/MBA

HBHI Mentor: Andre Nogueira

Abby Langan is a Registered Nurse and current dual MBA/MPH candidate at Johns Hopkins University. With over six years of direct patient care experience across leading pediatric hospitals nationwide, she brings a strong clinical foundation and data-driven mindset to her work in healthcare innovation and strategy. Her hands-on experience in care coordination and patient advocacy deepened her commitment to addressing system inefficiencies and health access disparities. At Johns Hopkins, Abby is focused on bridging the gap between clinical care, leadership, and analytics to drive sustainable healthcare transformation.

Angela Weinberg, MPH

HBHI Mentor: Ananya Joshi

Angela Weinberg is currently a full-time MPH student at the Johns Hopkins Bloomberg School of Public Health. She earned her bachelor’s degree from UC Berkeley in 2015, double majoring in Psychology and Art Practice. Since then, She has worked as an entrepreneur, building several socially conscious businesses and serving as a Fractional COO for other early-stage ventures. During her MPH, she is focusing on the intersection of mental health, digital health, and leadership, with the goal of advancing mental healthcare service delivery through the use of AI to coordinate care and access to the right mental healthcare at the right time.

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.

Bryce Charles, MSHCM

HBHI Mentor: Toby Gordon

My name is Bryce Charles, and I am currently pursuing a Master of Science in Healthcare Management at Johns Hopkins Carey Business School. I recently graduated from Howard University with a Bachelor’s degree in Biology and double minors in Chemistry and Business Administration. I aspire to become a Cardiologist and eventually own a hospital that embodies equity, cultural competence, and representation while providing quality healthcare to people who may not otherwise be able to afford it. My life’s goal is to create spaces where the next generation of students, especially those from underrepresented backgrounds, can find guidance, mentorship, and opportunities to thrive in medicine. I am excited to join the HBHI program to continue advancing this vision through mentorship, meaningful research, and collaboration with others who are passionate about driving systemic change in healthcare. Outside of school, I enjoy spending time with friends, singing, watching movies, and visiting my family back home in Dallas, Texas.

Collins Asomani, MPH

HBHI Mentor: KD Frick

Dr Collins Yeboah Asomani is a public-health practitioner, social entrepreneur, and optometrist with demonstrable experience in how strategy, systems design, and policy can expand access to eye care. A Health Leadership & Management MPH candidate at the Johns Hopkins Bloomberg School of Public Health, he works at the intersection of program strategy and implementation—translating evidence into practical operating models, clearer standards, and learning loops that connect frontline insight to leadership decisions. At VisionSpring Ghana, Collins focused on shaping resilient delivery models—integrating primary eye care within primary health care, strengthening quality assurance, and enabling partnerships that travel across contexts. He also advises early-stage ventures through the Pava Center’s Spark Accelerator, helping founders align service design, stakeholder engagement, and evaluation.

Collins is particularly focused on using data to inform policy for global eye health—asking how procurement, service design, and financing can be re-engineered so primary eye care is treated as foundational, not optional. Through HBHI, he aims to deepen his analytic toolkit and policy fluency—building the capacity to turn rigorous data into actionable, system-level decisions that advance equitable eye-health policy worldwide

Efua Odurah Maclean, MPH/MBA

HBHI Mentors: Joe Levy

Efua Maclean is a physician and computational biologist pursuing a dual MBA/MPH at Johns Hopkins University. Her work integrates health economics, pharmaceutical policy, and data-driven impact evaluation to improve health outcomes in low- and middle-income countries. She has worked with the National Institutes of Health, Siemens Healthineers, and the International Finance Corporation (IFC) on projects spanning process optimization, market access analytics, and development impact measurement. Passionate about translating evidence into equitable health systems, Efua focuses on building scalable solutions at the nexus of digital health, economic evaluation, and global access to medicines.

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.

Kadamb Gupta, MBA

HBHI  Mentors: Trey Cummings/Cassandra Chambers

Kadamb Gupta is a healthcare innovator and enthusiast with over six years of experience in design engineering, product development, and cross-functional leadership. Kadamb is also a first-year FT MBA candidate at JH Carey Business School, and he holds a dual degree in M.Sc. Physics and B.E. Mechanical Engineering. 

Post-MBA, Kadamb aspires to lead high-performing teams in the global healthcare industry to advance the cause of universal healthcare. Outside of work, he is a certified mountaineer, aspiring marathoner, and amateur numismatist. He enjoys high-altitude treks, DIY projects, and exploring the intersection of yoga and modern medicine.

Kate Brown, ScM Biostatistics

HBHI Mentor: Marika Cusick

I am originally from New York and studied Population Health and Statistics at Lehigh University. Currently, I am a second-year ScM student in the Biostatistics Department. I am excited to join HBHI and engage with its interdisciplinary research community. My passion lies in translating data-driven health research into insights that are accessible and actionable for diverse audiences.

Lydia Fisher, MPH. MBA

HBHI Mentor: Karen Shen

Lydia Fisher is a 2^nd year MPH/MBA candidate with a focus on gerontology, digital health, and value-based care. A former Fulbright Scholar in Mumbai, she researched air pollution governance and primary health systems. She co-founded MedSense, an AI-enabled polypharmacy management platform for older adults, and recently worked with Habitat Health, a venture-backed PACE provider, supporting operations and care redesign initiatives.

Maame Yaa konadu idun, MPH/MBA

HBHI Mentor: Yaa Akosa Antwi

Dr. Maame Yaa Idun is a physician and digital health strategist passionate about rethinking how we prevent and manage chronic diseases. She connects her clinical practice with research and innovation to study how digital health tools, data science, and economic analysis can close gaps in prevention, diagnosis, and long-term disease management. Her work includes developing triage models, mapping rural access gaps, and creating community-based digital tools that transform patient challenges into scalable system solutions. Currently pursuing an MBA and MPH, she explores how AI and emerging technologies can be responsibly integrated to strengthen care for underserved populations. Outside of work, Maame loves discovering the world through travel, culture, and Amish literature

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 Halai, MHA

HBHI Mentor: Mark Meiselbach

Sarah is a graduate of Texas A&M University, where her passions for policy, equity and strategic growth led her pursue her Master’s in Health Administration at Johns Hopkins University. She is excited to be a part of the HBHI Graduate Academy where she hopes to have meaningful interdisciplinary discussions about healthcare improvement, learn more about health economics, insurance access, and rural health initiatives. In her free time, she is an avid tennis player and loves to paint on the weekends

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.