Differential Diagnosis: Models, Heuristics, and Bounds
By Simrita Singh, Sarang Deo, Sumit Kunnumkal
Citation
Singh, Simrita., Deo, Sarang., Kunnumkal, Sumit. Differential Diagnosis: Models, Heuristics, and Bounds .
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Sarang Deo is a Professor of Operations Management at the Indian School of Business (ISB). He also serves as the Executive Director of the ISB’s Max Institute of Healthcare Management, where he provides strategic leadership for ISB's healthcare initiatives through interdisciplinary research, education, and collaboration.

Professor Deo's research focuses on healthcare delivery systems, examining how operational decisions influence population-level health outcomes. His work spans a wide range of healthcare contexts, including influenza vaccine supply chains and ambulance diversion in the United States, HIV early infant diagnosis networks in sub-Saharan Africa, and formal and informal pathways for tuberculosis (TB) diagnosis and treatment in India. His recent research has focused on designing and evaluating healthcare delivery models, with a particular emphasis on digital health and the integration of artificial intelligence into healthcare systems.

He regularly collaborates with leading global health organisations, including the Gates Foundation, the Clinton Health Access Initiative (CHAI), and PATH. He currently serves on the World Health Organization's Strategic and Technical Advisory Group for Tuberculosis (STAG-TB) and the Working Group for Non-Technical Evaluation under the WHO Global Initiative on AI for Health (GI-AI4H).

Prior to joining ISB, Professor Deo was an Assistant Professor at the Kellogg School of Management. He holds a PhD from the UCLA Anderson School of Management, an MBA from the Indian Institute of Management Ahmedabad, and a BTech from the Indian Institute of Technology Bombay. Before entering academia, he worked as a management consultant with Accenture.

Professor Sarang Deo
Sarang Deo

Sumit Kunnumkal is a Professor and Area Leader of Operations Management at the Indian School of Business (ISB). He holds a PhD in Operations Research from Cornell University. He received his MS in Transportation from the Massachusetts Institute of Technology and a B.Tech in Civil Engineering from the Indian Institute of Technology, Madras.

Professor Kunnumkal has previously taught at the Smith School of Business, Queen’s University, and has held visiting positions at the Singapore University of Technology and Design and Universitat Pompeu Fabra. His research interests lie in the areas of pricing and revenue management, retail operations, assortment planning, and approximate dynamic programming.

At ISB, he has taught in the PGP programme, the Fellow programme, and various Advanced Management and Executive Education programmes.

Sumit Kunnumkal
Sumit Kunnumkal