# What is the biography and career of Lee Hye-sung?

itraveledthere.io · August 4, 2026

> Lee Hye-sung initially studied physics at Seoul National University before pursuing a career in broadcasting. Prior to becoming an announcer at KBS in...

Lee Hye-sung initially studied physics at Seoul National University before pursuing a career in broadcasting.

Prior to becoming an announcer at KBS in 2016, she interned at the Korea Atomic Energy Research Institute, conducting research on theoretical particle physics.

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During her time at KBS, Lee Hye-sung was known for her exceptional language skills, fluently speaking English, Japanese, and Mandarin Chinese.

After leaving KBS in 2020, Lee Hye-sung transitioned into hosting various TV and web shows, showcasing her versatility as a media personality.

In 2023, she was cast as a contestant on the Netflix reality show "The Devil's Plan," where her analytical mind and strategic thinking earned her a spot as a fan favorite.

Outside of her television work, Lee Hye-sung is an avid hiker and mountain climber, having scaled several peaks in South Korea and abroad.

She is an active supporter of environmental causes and has participated in multiple eco-friendly initiatives, including beach cleanups and tree-planting projects.

Lee Hye-sung is fluent in sign language and has used her skills to advocate for greater accessibility in the media industry.

In 2024, she was appointed as a goodwill ambassador for the United Nations Educational, Scientific and Cultural Organization (UNESCO), promoting intercultural dialogue and understanding.

During her time off, Lee Hye-sung enjoys reading scientific journals and attending physics conferences, maintaining her passion for the field.

Despite her busy schedule, she volunteers at a local animal shelter, caring for rescue animals and raising awareness about pet adoption.

Lee Hye-sung is a talented painter and has held several solo art exhibitions showcasing her abstract landscapes and nature-inspired works.

She is an accomplished pianist and has performed classical music pieces at various charity events and cultural festivals.

In 2022, Lee Hye-sung co-authored a book on the history of Korean broadcasting, drawing from her own experiences and insights.

She is an active user of social media, with a large following on platforms like Instagram, where she shares glimpses of her life and engages with fans.

Lee Hye-sung is known for her philanthropy, having donated a portion of her earnings to support educational initiatives and rural development projects.

She has been recognized by several organizations for her contributions to the media industry and her advocacy for social causes.

Lee Hye-sung is a fitness enthusiast and practices various forms of martial arts, including taekwondo and judo.

In her free time, she enjoys writing poetry and has published a small collection of her works in a local literary journal.

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