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Peetz Family Professorship

Bloomberg School of Public Health

Established in 2019 by Karen Peetz and the Peetz Family

KAREN PEETZ is Chief Administrative Officer at Citi. In this role, she oversees Citi’s Transformation Office, including its remediation efforts, Citi’s Regulatory Engagement globally, Business Risk & Controls and Data oversight. Previously, Ms. Peetz spent almost 20 years at BNY Mellon, ultimately becoming the President of the firm until her departure in 2016. While President, she oversaw the company’s global client management group, covering the firm’s top 500 clients worldwide; regional management (Asia Pacific, Europe, Middle East and Africa and Latin America); and its treasury services business. She also led the company’s Human Resources, global innovation and regulatory oversight efforts.

Since retiring from BNY Mellon, Ms. Peetz has been active in various corporate and nonprofit boards, including Trane Technologies (formerly Ingersoll Rand), The Guardian Life Insurance Company of America, Amherst Holdings, Johns Hopkins University and the Global Lyme Alliance.

Ms. Peetz is the former Chair of the Boards of United Way of New York City and Penn State University’s Board of Trustees.

Held by Nicole Baumgarth

NICOLE BAUMGARTH, DVM, PhD, is the inaugural Peetz Family Professor in the W. Harry Feinstone Department of Molecular Microbiology & Immunology at the Johns Hopkins Bloomberg School of Public Health. She is also a Bloomberg Distinguished Professor and the inaugural director of the Johns Hopkins Lyme and Tickborne Diseases Research and Education Institute. Dr. Baumgarth is a highly regarded researcher known for efforts to understand host responses to Borrelia burgdorferi, the bacterium that causes Lyme disease and has made key discoveries on how the Lyme bacterium—transmitted to humans through the bite of black-legged ticks—disrupts the immune system.

Over her career, Dr. Baumgarth has published over 100 papers, including in Nature Immunology, the Journal of Experimental Medicine, Science, and PNAS. She has held various editorial positions, including at the Journal of Immunology, Frontiers in Immunology and the Journal of Immunological Methods. Baumgarth currently chairs the National Institutes of Health’s Cellular and Molecular Immunology B Study Section research grant review standing committee.

A fellow of the American Association for the Advancement of Science, Dr. Baumgarth has received awards for her studies on immunity to Borrelia burgdorferi from the Global Lyme Alliance and the International Lyme and Associated Diseases Educational Foundation.

Dr. Baumgarth received a clinical degree in veterinary medicine and a PhD in microbiology from the School of Veterinary Medicine in Hanover, Germany.