Jannie Oosthuizen

Corporate Officer/Principal at MERCK & CO., INC.

Net worth: 3 M $ as of 2026-05-30

Health Technology

Consumer Services

Industrial Services

Profile

Jannie Oosthuizen currently holds the position of EVP, President-Oncology & MSD International at Merck & Co., Inc. starting in 2026.
Jannie also serves as President at Merck Human Health US since 2022.
Additionally, Jannie is Manager-Legal & Human Resources at Esor Ltd. Mr. Oosthuizen completed graduate studies at North-West University.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
MERCK & CO., INC. 0%	2026-05-04	21,895 ( 0% )	3 M $	2026-05-30

Jannie Oosthuizen active positions

Companies	Position	Start
MERCK & CO., INC.	Corporate Officer/Principal	2020-12-31
ESOR LIMITED	Human Resources Officer	-
Merck Human Health US	President	2021-12-31

All active positions of Jannie Oosthuizen

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Linked companies

Private companies	4
Merck & Co., Inc. Merck & Co., Inc. Pharmaceuticals: MajorHealth Technology Manufactures human and animal health pharmaceutical products & vaccines	Health Technology
Merck Human Health US
North-West University North-West University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Esor Ltd. Esor Ltd. Engineering & ConstructionIndustrial Services Provides civil engineering and construction services	Industrial Services