Yoonsuk Lee, DVM, earned his veterinary degree in 2017 from Konkuk University College of Veterinary Medicine, where he also earned an MS in Veterinary Microbiology in 2021. He practiced as a bovine veterinarian in South Korea until 2021, then completed a residency in Dairy Production Medicine at the University of California-Davis School of Veterinary Medicine from 2021-2024. At UC-Davis, he earned a Master of Preventive Veterinary Medicine in 2023. Dr. Lee joined the Van Os lab as a PhD student in fall 2024. He is conducting novel research to compare the effects of pre-weaning pair vs. individual housing of dairy calves on microbiome development, biomarkers of stress during weaning, physiological and behavioral responses to transport stress, and long-term cross-sucking behavior and mammary gland development.