Indian American physician and economist Jay Bhattacharya has taken over as the acting director of the Centers for Disease Control and Prevention while continuing his leadership role at the National Institutes of Health. His appointment comes at a time when major shifts are taking place within the United States public health administration.
Bhattacharya confirmed that he will simultaneously oversee both institutions, marking a significant consolidation of responsibilities within the federal health system. The Centers for Disease Control and Prevention is one of the most important public health agencies in the United States, responsible for monitoring and controlling infectious diseases, environmental health risks, and chronic conditions.
His appointment follows a period of leadership instability at the agency. The previous CDC director, Susan Monarez, was removed after a brief tenure following disagreements within the health leadership structure. Before Bhattacharya’s arrival, deputy health official Jim O’Neill had been serving as the interim head.
Born in Kolkata, Bhattacharya holds both a medical degree and a doctorate in economics. He previously worked as a professor at Stanford University before being appointed to lead the National Institutes of Health under the Trump administration. He gained national attention during the COVID 19 pandemic for his critical stance on extended lockdown policies and for engaging in public debates over pandemic response strategies.
The Centers for Disease Control and Prevention operates with a budget of approximately 9.7 billion dollars and manages a wide network of laboratories and research centers. Its responsibilities include disease surveillance, outbreak response, and health policy guidance in areas such as infectious diseases, food safety, obesity, and injury prevention.
The National Institutes of Health, which Bhattacharya continues to lead, has an annual budget of around 48 billion dollars and is one of the largest biomedical research institutions in the world. It supports medical research across multiple fields through its internal institutes and external grant programs.
The broader US health system has also seen other Indian American professionals taking on senior roles. Vinay Prasad currently serves as director of the Food and Drug Administration’s Center for Biologics Evaluation and Research, which oversees the safety and effectiveness of vaccines and gene based therapies. He briefly stepped down from the position earlier this year before being reinstated shortly afterward.
Bhattacharya’s dual leadership role highlights ongoing restructuring within US public health agencies at a time when healthcare policy, research priorities, and regulatory oversight continue to evolve.











