10 Mass General Brigham AI and data science leaders
Keith J. Dreyer, Chief Data Science Officer, leads this list of Mass General Brigham AI and data science leaders, who also include a vice president of cloud and enterprise AI transformation and heads and directors of AI programs. A reader can learn how AI and data science leaders work at Mass General Brigham from people who have held the role.
Professionals to explore
Charlotte J. Mailly
LinkedInExperience: Interim Director, Digital Research AI and Genomics · Mass General Brigham
Charlotte J. Mailly has been Interim Director, Digital Research AI and Genomics at Mass General Brigham since November 2025 and Director of Program Management at Mass General Brigham since February 2024. Charlotte J. Mailly was Senior Project Manager at Mass General Brigham from 2022 to 2024 and IT Project Manager there from 2019 to 2022.
Esther Kim, ScD, RD, LDN
LinkedInExperience: Head of Digital AI and Emerging Tech · Mass General Brigham
Esther Kim has been Head of Digital AI and Emerging Tech at Mass General Brigham since March 2024. Esther Kim was Global Medical Affairs, Oncology Innovation in Care Lead at AstraZeneca from 2023 to 2024, Executive Director, Digital Health Innovation, Mass General Brigham (formerly Partners HealthCare) from 2020 to 2023 and Program Director, Accountable Care Organizations at Partners HealthCare from 2018 to 2020.
Faisal Mahmood
LinkedInExperience: Director, MGB Center for AI Research · Mass General Brigham
Faisal Mahmood has been Director, MGB Center for AI Research at Mass General Brigham since January 2026. Faisal Mahmood has been Associate Professor at Harvard Medical School since November 2022 and an Associate Member of the Broad Institute of MIT and Harvard since October 2019, and was Assistant Professor at Harvard Medical School from 2019 to 2022.
Hugo J.W.L. Aerts
LinkedInExperience: Director, Artificial Intelligence in Medicine (AIM) Program · Mass General Brigham
Hugo J.W.L. Aerts has been Director, Artificial Intelligence in Medicine (AIM) Program at Mass General Brigham since November 2019. Hugo J.W.L. Aerts has also been Professor at Harvard University since January 2024 and Adjunct Professor (Hoogleraar) at Maastricht University since 2019, and was Associate Professor at Harvard University from 2017 to 2024.
Keith J. Dreyer
LinkedInExperience: Chief Data Science Officer · Mass General Brigham
Keith J. Dreyer has been Chief Data Science Officer at Mass General Brigham since August 2017, and the profile also names Keith J. Dreyer as Chief Imaging Information Officer for Mass General Brigham. Keith J. Dreyer has been Vice Chairman of Radiology at Massachusetts General Hospital and Associate Professor of Radiology at Harvard Medical School since July 1994.
Long P. Le
LinkedInExperience: Associate Director, AI Institute · Mass General Brigham
Long P. Le has been Associate Director, AI Institute at Mass General Brigham since January 2026 and Assistant Professor of Pathology at Massachusetts General Hospital since 2010. Long P. Le was Associate Clinical Director, Pathology Systems at Mass General Brigham from 2023 to 2026 and Vice Chair for Pathology Informatics at Massachusetts General Hospital from 2019 to 2025.
Michael Oates
LinkedInExperience: Sr Director Research Computing and AI · Mass General Brigham
Michael Oates has been Sr Director Research Computing and AI at Mass General Brigham since July 2024. Michael Oates was Director of Operations, Accelerator for Clinical Transformation at Mass General Brigham from 2020 to 2024 and Senior Manager, Personalized Medicine, Laboratory for Molecular Medicine at Mass General Brigham from 2012 to 2020.
Nirav Parikh
LinkedInExperience: Head of Enterprise Data and AI · Mass General Brigham Healthcare
Nirav Parikh has been Head of Enterprise Data and AI at Mass General Brigham Healthcare since March 2020. Nirav Parikh was AWS Data Analytics Practice Director Profession Services at Amazon from 2019 to 2020, Global Head of Enterprise BI & Data at Liberty Mutual Insurance from 2012 to 2019 and Enterprise Data Architect at Liberty Mutual Insurance from 2008 to 2012.
Ozan Ünlü
LinkedInExperience: Director of Clinical Artificial Intelligence, Heart and Vascular Institute · Mass General Brigham
Ozan Ünlü has been Director of Clinical Artificial Intelligence, Heart and Vascular Institute at Mass General Brigham since August 2026, and an Interventional Cardiologist at Mass General Brigham over the same period. Ozan Ünlü was a Fellow in Clinical Informatics at Mass General Brigham from 2023 to 2025 and a Fellow in Interventional Cardiology at Harvard Medical School from 2025 to 2026.
Rakesh Jain
LinkedInExperience: VP - Cloud & Ent AI Transformation · Mass General Brigham
Rakesh Jain has been VP - Cloud & Ent AI Transformation at Mass General Brigham since September 2024. Rakesh Jain was Global Head of Digital Experience Technology at VMware from 2021 to 2025, Associate Vice President - Digital Transformation at Thomson Reuters from 2016 to 2021 and AVP - Enterprise Business Systems at Thomson Reuters from 2009 to 2016.
Choose the right perspective
Pick the person whose own role sits closest to your question, whether that is enterprise data and AI, AI research or clinical AI in one specialty. Check each role's start date to see how recent the experience is.
Questions to take into the conversation
- 01How have you chosen which AI projects move from research into clinical or operational use?
- 02What has it taken to get clinicians and operational leaders to rely on an AI tool day to day?
- 03How have you set up governance and review for AI models before they are used in care or operations?
Reaching Mass General Brigham AI and data science leaders
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About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.