Dr. Leem was born in Seoul, South Korea and immigrated to US at a young age. He grew up in Colorado and attended the University of Colorado at Boulder for Undergraduate and Graduate studies. He then attended the University of Colorado School of Medicine for his medical education and Otolaryngology - Head and Neck Surgery residency. Following five years of residency, he spent an additional year of fellowship training in Advanved Head and Neck Oncology and Skull Base Surgery at the University of California, San Francisco. He remained on faculty there prior to returning to Colorado. He is currently an Assistant Professor of Otolaryngology - Head and Neck Surgery at the University of Colorado School of Medicine. His interests are minimally invasive head and neck surgery for the treatment of benign and malignant disease of the head and neck.