{"id":3623437,"date":"2023-09-01T06:01:56","date_gmt":"2023-09-01T10:01:56","guid":{"rendered":"https:\/\/vip2-msd.com\/merckcom-migrated\/?post_type=scientist&#038;p=3623437"},"modified":"2025-07-25T12:13:15","modified_gmt":"2025-07-25T16:13:15","slug":"eliav-barr-md","status":"publish","type":"scientist","link":"https:\/\/vip2-msd.com\/merckcom-migrated\/meet-our-scientists\/eliav-barr-md\/","title":{"rendered":"Eliav Barr, M.D."},"content":{"rendered":"<div id=\"mco-f9-bio-highlights-block-block_01a5c82390a6d07d7aabed8f593f6d2d\" class=\"mco-f9-bio-highlights-block mccberg-block\">\n    \n        \n            <p class=\"mco-f9-bio-pdf\"><a href=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2025\/07\/RLT__Bios-Eliav-Barr.pdf\" target=\"_blank\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"16\" viewBox=\"0 0 16 16\">\n    <path fill=\"#00857C\" d=\"M2.556 3.894v9.326h10.888V3.894H15v9.326c0 .863-.7 1.555-1.556 1.555H2.556A1.555 1.555 0 0 1 1 13.22V3.894h1.556zM8.924.775v8.59L10.9 7.391l1.1 1.1-3.85 3.85-3.85-3.85 1.1-1.1 1.974 1.974V.775h1.551z\" \/>\n<title>Download icon<\/title><\/svg>\n Download bio<\/a><\/p>\n    \n            <p class=\"mco-f9-bio-media\"><a href=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/11\/Eliav_Barr.jpg\" target=\"_blank\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"16\" viewBox=\"0 0 16 16\">\n    <path fill=\"#00857C\" d=\"M2.556 3.894v9.326h10.888V3.894H15v9.326c0 .863-.7 1.555-1.556 1.555H2.556A1.555 1.555 0 0 1 1 13.22V3.894h1.556zM8.924.775v8.59L10.9 7.391l1.1 1.1-3.85 3.85-3.85-3.85 1.1-1.1 1.974 1.974V.775h1.551z\" \/>\n<title>Download icon<\/title><\/svg>\n Download photo<\/a><\/p>\n    \n        \n<\/div>\n\n\n<div class=\"wp-block-columns mco-columns-wrapping is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:70%\">\n<p>Eliav Barr is senior vice president, head of global clinical development and chief medical officer at Merck Research Laboratories (MRL). He leads all late-stage clinical development for Merck\u2019s Human Health portfolio and pipeline.&nbsp;<\/p>\n\n\n\n<p>Prior to his current role, Barr led MRL\u2019s global medical and scientific affairs organization expanding Merck\u2019s scientific engagement and implementation efforts in oncology, vaccines and infectious diseases.<\/p>\n\n\n\n<p>Since joining Merck in 1995, Barr has held positions of increasing responsibility including leadership roles in oncology and infectious diseases clinical development. Previously, he served as the therapeutic area head for infectious diseases and managed product development teams across oncology and infectious diseases. Prior to joining Merck, he held a faculty position at the University of Chicago.<\/p>\n\n\n\n<p>Barr is a cardiologist by training. He received his undergraduate degree from the Pennsylvania State University and his medical degree from Thomas Jefferson University. He completed his internal medicine residency and cardiology fellowship at Johns Hopkins University and subsequently pursued post-doctoral training at the University of Michigan.<\/p>\n\n\n\n<p>In 2019, he was a proud recipient of a Penn State Alumni Fellow award for his dedication to the development of medicines and vaccines that treat and prevent infectious diseases. Recognized as a leader giving voice and visibility to the LGBTQ+ community in science, Barr was named to Endpoints News\u2019 2023 LGBTQ+ biopharma leaders list. He also currently serves as the executive sponsor of Merck\u2019s 3,400-member Rainbow Alliance employee business resource group.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><\/p>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<div id=\"mco-content-teaser-cards-block-block_a30fb30bcd3aea3cda78b696d1607941\"\n     class=\"mco-content-teaser-cards-block wrapper  mccberg-block\">\n    <div class=\"mco-content-teaser-cards-content\">\n        <h3 class=\"mco-content-teaser-card-block-title fixed-h3\">View more stories<\/h3>\t\t            <p class=\"mco-content-teaser-card-block-description\">&#8211;<\/p>\n\t\t\t\t    <\/div>\n\n    <div class=\"mco-content-teaser-cards-cards-container\" data-cards-count=\"5\">\n\t\t                <a\n                     class=\"mco-content-teaser-card-item no-underline\"\n                     href=\"https:\/\/vip2-msd.com\/merckcom-migrated\/stories\/5-historical-designations-highlight-groundbreaking-scientific-achievements\/\"\n                                    >\n                    <span\n                            class=\"mco-content-teaser-card-item-image-content-container\"\n                            style=\"\"\n                    >\n\t\t\t\t\t\t                            <picture>\n                                <source\n                                        media=\"(max-width: 767px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/02\/EmployeesPackagingPenicillin_RahwayMER-PHO-0368-0011-Image00001.jpg?resize=321,196\"\n                                \/>\n                                <source\n                                        media=\"(min-width: 768px) and (max-width: 1199px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/02\/EmployeesPackagingPenicillin_RahwayMER-PHO-0368-0011-Image00001.jpg?resize=314,209\"\n                                \/>\n                                <source\n                                        media=\"(min-width: 1200px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/02\/EmployeesPackagingPenicillin_RahwayMER-PHO-0368-0011-Image00001.jpg?resize=404,268\"\n                                \/>\n                                <img\n                                        data-src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/02\/EmployeesPackagingPenicillin_RahwayMER-PHO-0368-0011-Image00001.jpg?resize=404,268\"\n                                        alt=\"Employees Packaging Penicillin\"\n                                        class=\"lazyload\"\n                                        loading=\"lazy\"\n                                \/>\n                            <\/picture>\n\t\t\t\t\t\t                    <\/span>\n                    <div class=\"mco-content-teaser-card-item-content\">\n\t\t\t\t\t\t                            <small class=\"tagline\">Innovation<\/small>\n                                                <h5 class=\"fixed-h5\">5 historical designations highlight groundbreaking scientific achievements<\/h5>                        <p>The American Chemical Society Landmark program recognizes important contributions to modern life through chemical sciences<\/p>\n                    <\/div>\n                <\/a>\n\t\t\t                <a\n                     class=\"mco-content-teaser-card-item no-underline\"\n                     href=\"https:\/\/vip2-msd.com\/merckcom-migrated\/stories\/our-q3-2025-financial-results\/\"\n                                    >\n                    <span\n                            class=\"mco-content-teaser-card-item-image-content-container\"\n                            style=\"\"\n                    >\n\t\t\t\t\t\t                            <picture>\n                                <source\n                                        media=\"(max-width: 767px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2025\/10\/Q3-2025_SalesAndEarnings_HP_MainImage_v1-1.png?resize=321,196\"\n                                \/>\n                                <source\n                                        media=\"(min-width: 768px) and (max-width: 1199px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2025\/10\/Q3-2025_SalesAndEarnings_HP_MainImage_v1-1.png?resize=314,209\"\n                                \/>\n                                <source\n                                        media=\"(min-width: 1200px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2025\/10\/Q3-2025_SalesAndEarnings_HP_MainImage_v1-1.png?resize=404,268\"\n                                \/>\n                                <img\n                                        data-src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2025\/10\/Q3-2025_SalesAndEarnings_HP_MainImage_v1-1.png?resize=404,268\"\n                                        alt=\"two scientists wearing lab coats working in a lab\"\n                                        class=\"lazyload\"\n                                        loading=\"lazy\"\n                                \/>\n                            <\/picture>\n\t\t\t\t\t\t                    <\/span>\n                    <div class=\"mco-content-teaser-card-item-content\">\n\t\t\t\t\t\t                            <small class=\"tagline\">Innovation<\/small>\n                                                <h5 class=\"fixed-h5\">Our Q3 2025 financial results<\/h5>                        <p>Merck\u2019s (NYSE: MRK) Q3 2025 sales performance reflects strength across oncology and animal health, as well as increasing contributions from new launches. Our company announced Q3 worldwide sales of $17.3 billion.\u200b\u200b \u201cIn the third quarter, we continued to execute on our strategy with important pipeline advancements, significant approvals and successful new product launches,\u201d said Rob [&hellip;]<\/p>\n                    <\/div>\n                <\/a>\n\t\t\t                <a\n                     class=\"mco-content-teaser-card-item no-underline\"\n                     href=\"https:\/\/vip2-msd.com\/merckcom-migrated\/stories\/the-new-manufacturing-facilities-powering-our-us-growth\/\"\n                                    >\n                    <span\n                            class=\"mco-content-teaser-card-item-image-content-container\"\n                            style=\"\"\n                    >\n\t\t\t\t\t\t                            <picture>\n                                <source\n                                        media=\"(max-width: 767px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2025\/10\/Lead-image_Elkton-groundbreaking.jpg?resize=321,196\"\n                                \/>\n                                <source\n                                        media=\"(min-width: 768px) and (max-width: 1199px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2025\/10\/Lead-image_Elkton-groundbreaking.jpg?resize=314,209\"\n                                \/>\n                                <source\n                                        media=\"(min-width: 1200px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2025\/10\/Lead-image_Elkton-groundbreaking.jpg?resize=404,268\"\n                                \/>\n                                <img\n                                        data-src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2025\/10\/Lead-image_Elkton-groundbreaking.jpg?resize=404,268\"\n                                        alt=\"6 people wearing hardhats and holding shovels\"\n                                        class=\"lazyload\"\n                                        loading=\"lazy\"\n                                \/>\n                            <\/picture>\n\t\t\t\t\t\t                    <\/span>\n                    <div class=\"mco-content-teaser-card-item-content\">\n\t\t\t\t\t\t                            <small class=\"tagline\">Innovation<\/small>\n                                                <h5 class=\"fixed-h5\">The new manufacturing facilities powering our US growth<\/h5>                        <p>It&#039;s been a groundbreaking year at new and augmented facilities focusing on biologics, vaccines, animal health and more<\/p>\n                    <\/div>\n                <\/a>\n\t\t\t                <a\n                     class=\"mco-content-teaser-card-item no-underline\"\n                     href=\"https:\/\/vip2-msd.com\/merckcom-migrated\/stories\/understanding-dme-wetamd\/\"\n                                    >\n                    <span\n                            class=\"mco-content-teaser-card-item-image-content-container\"\n                            style=\"\"\n                    >\n\t\t\t\t\t\t                            <picture>\n                                <source\n                                        media=\"(max-width: 767px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2025\/08\/istockphoto-1367683624-612x612-1_886166.jpg?resize=321,196\"\n                                \/>\n                                <source\n                                        media=\"(min-width: 768px) and (max-width: 1199px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2025\/08\/istockphoto-1367683624-612x612-1_886166.jpg?resize=314,209\"\n                                \/>\n                                <source\n                                        media=\"(min-width: 1200px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2025\/08\/istockphoto-1367683624-612x612-1_886166.jpg?resize=404,268\"\n                                \/>\n                                <img\n                                        data-src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2025\/08\/istockphoto-1367683624-612x612-1_886166.jpg?resize=404,268\"\n                                        alt=\"Close-up of two eyes side by side, showing contrast in skin tone and eye color between two individuals.\"\n                                        class=\"lazyload\"\n                                        loading=\"lazy\"\n                                \/>\n                            <\/picture>\n\t\t\t\t\t\t                    <\/span>\n                    <div class=\"mco-content-teaser-card-item-content\">\n\t\t\t\t\t\t                            <small class=\"tagline\">Innovation<\/small>\n                                                <h5 class=\"fixed-h5\">Understanding vision-threatening retinal conditions: Diabetic macular edema and wet AMD<\/h5>                        <p>Our scientists are researching new ways to address vision-threatening retinal conditions like diabetic macular edema and wet age-related macular degeneration (wet AMD)<\/p>\n                    <\/div>\n                <\/a>\n\t\t\t                <a\n                     class=\"mco-content-teaser-card-item no-underline\"\n                     href=\"https:\/\/vip2-msd.com\/merckcom-migrated\/stories\/macrocyclic-peptides\/\"\n                                    >\n                    <span\n                            class=\"mco-content-teaser-card-item-image-content-container\"\n                            style=\"\"\n                    >\n\t\t\t\t\t\t                            <picture>\n                                <source\n                                        media=\"(max-width: 767px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2025\/08\/Macrocyclic-peptides-e1742932241_5859c1.jpg?resize=321,196\"\n                                \/>\n                                <source\n                                        media=\"(min-width: 768px) and (max-width: 1199px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2025\/08\/Macrocyclic-peptides-e1742932241_5859c1.jpg?resize=314,209\"\n                                \/>\n                                <source\n                                        media=\"(min-width: 1200px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2025\/08\/Macrocyclic-peptides-e1742932241_5859c1.jpg?resize=404,268\"\n                                \/>\n                                <img\n                                        data-src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2025\/08\/Macrocyclic-peptides-e1742932241_5859c1.jpg?resize=404,268\"\n                                        alt=\"Macrocyclic peptides\"\n                                        class=\"lazyload\"\n                                        loading=\"lazy\"\n                                \/>\n                            <\/picture>\n\t\t\t\t\t\t                    <\/span>\n                    <div class=\"mco-content-teaser-card-item-content\">\n\t\t\t\t\t\t                            <small class=\"tagline\">Innovation<\/small>\n                                                <h5 class=\"fixed-h5\">Macrocyclic peptides: a new research frontier<\/h5>                        <p>Merck scientists are exploring macrocyclic peptides, a new way to combine the properties of a biologic in a pill<\/p>\n                    <\/div>\n                <\/a>\n\t\t\t    <\/div>\n\n    <div class=\"mco-content-teaser-cards-slider-controls-container\">\n        <div class=\"mco-content-teaser-cards-slider-nav slider-nav\">\n\t\t\t                <div class='slider-nav-item active'><\/div>\n\t\t\t\t                <div class='slider-nav-item '><\/div>\n\t\t\t\t                <div class='slider-nav-item '><\/div>\n\t\t\t\t                <div class='slider-nav-item '><\/div>\n\t\t\t\t                <div class='slider-nav-item '><\/div>\n\t\t\t\t        <\/div>\n\n        <div class=\"mco-content-teaser-cards-slider-controls slider-controls\">\n            <div 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He leads all late-stage clinical development for Merck\u2019s Human Health portfolio and pipeline.&nbsp; Prior to his current role, Barr led MRL\u2019s global medical and scientific affairs organization expanding Merck\u2019s scientific engagement and implementation efforts in [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/vip2-msd.com\/merckcom-migrated\/meet-our-scientists\/eliav-barr-md\/\" \/>\n<meta property=\"og:site_name\" content=\"Merck.com\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-25T16:13:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/11\/Eliav_Barr.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"666\" \/>\n\t<meta property=\"og:image:height\" content=\"664\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/vip2-msd.com\/merckcom-migrated\/meet-our-scientists\/eliav-barr-md\/\",\"url\":\"https:\/\/vip2-msd.com\/merckcom-migrated\/meet-our-scientists\/eliav-barr-md\/\",\"name\":\"Eliav Barr, M.D. - Merck.com\",\"isPartOf\":{\"@id\":\"https:\/\/vip2-msd.com\/merckcom-migrated\/#website\"},\"datePublished\":\"2023-09-01T10:01:56+00:00\",\"dateModified\":\"2025-07-25T16:13:15+00:00\",\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/vip2-msd.com\/merckcom-migrated\/meet-our-scientists\/eliav-barr-md\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/vip2-msd.com\/merckcom-migrated\/#website\",\"url\":\"https:\/\/vip2-msd.com\/merckcom-migrated\/\",\"name\":\"Merck.com\",\"description\":\"Just another vip-msd.com site\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/vip2-msd.com\/merckcom-migrated\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Eliav Barr, M.D. - Merck.com","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/vip2-msd.com\/merckcom-migrated\/meet-our-scientists\/eliav-barr-md\/","og_locale":"en_US","og_type":"article","og_title":"Eliav Barr, M.D. - Merck.com","og_description":"Eliav Barr is senior vice president, head of global clinical development and chief medical officer at Merck Research Laboratories (MRL). 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