Esmita is the Research Lead for Practice, Design, and Engineering at the NIHR Health Protection Research Unit for Healthcare-Associated Infections and Antimicrobial Resistance within the faculty of Medicine at Imperial College London. She is an honorary Associate Professor at the University of Cape Town and a visiting Researcher at Haukeland University Hospital, Bergen Norway, and an Adjunct Professor at Amrita Institute of Medical Sciences, Kerala India, where she is involved in helping implement and investigate national antibiotic stewardship programs. Her work in AMR has been recognised through the Academy of Medical Sciences UK-India AMR Visiting Professor award. She is an expert advisor to the Commonwealth Pharmacy Association and a Global Health Fellow with the Office of Chief Pharmaceutical Officer, England. She is involved in mentoring and supporting clinical pharmacists across different healthcare settings and economies in implementing antimicrobial stewardship interventions. Her doctoral thesis investigated antimicrobial stewardship across India, Norway, France, Burkina Faso, and England.

After completing her post-graduate training in Cambridge University Hospitals and ten years of experience as a clinical pharmacist in hospitals, Esmita began her research career. She is an investigator in a NIHR Invention for Innovation award investigating the development and use of a point of care personalised clinical decision support tool for antimicrobial prescribing. In her academic career the focus of her research has been behaviour change interventions in the field of antimicrobial stewardship and the application of social science research methods to develop contextually relevant solutions. She is co-investigator on the ESRC award (2017-2021): Optimising antibiotic use along surgical pathways: addressing antimicrobial resistance and improving clinical outcomes (in England, Scotland, Rwanda, India & South Africa). Esmita completed her Masters (MPharm Hons) in Pharmacy at University College London, her MSc in Infectious Diseases at LSHTM and her PhD from Imperial College London.