During his college years, he actively participated as a member of an amateur rock band, and his passion for music fueled his aspiration to become a show producer.
He began his career as an assistant director in the network's variety department, contributing to shows such as Open Concert and Celebrity Relay.
The initial lineup of High Five included comedian Jo Hye-ryun, entertainer Hyun Young, singer Chae Yeon, MC Park Kyung-lim, and actress Kim Min-sun.
Hosted by Kang Ho-dong, the cast included Lee Soo-geun, Eun Ji-won, Kim Jong-min, Noh Hong-chul, and Ji Sang-ryeol.
The initial cast included most of the members from Are You Ready?, such as Kang Ho-dong, Lee Soo-geun, Eun Ji-won, Kim Jong-min, Noh Hong-chul, and Ji Sang-ryeol.
[10] Lee and Na Young-seok achieved a breakthrough with 2 Days & 1 Night, which became a massive success, gaining immense popularity and becoming the highest-rated variety program on KBS.
The show not only had a positive impact on the featured locations by boosting tourism but also garnered a massive fan base for its cast members and production crew.
[14][15] In February 2011, Lee made headlines for his plan to study musicals for a year at Goldsmiths College, University of London, England.
Ten ordinary young men and women embarked on a journey to unfamiliar locations, gradually getting to know each other and seeking true love.
[20][21][22] There were also high expectations for a collaboration between Lee and his junior, Shin Won-ho, on a new reality program, as reported in a news coverage in November 2011.
This project held significance for Shin Won-ho as it marked his first work at CJ E&M after transferring from KBS in July of the previous year.
[26][27][28] The show garnered high ratings and received critical acclaim, establishing itself as one of the highest-rated Korean dramas in cable television history.
[citation needed] Prior to that, in January 2013, Lee played a role in recruiting his junior, the infamous Na Young-seok, to CJ E&M.
[50][51] Initially, director Shin Won-ho and writer Lee Woo-jung intended to set their first Reply series in 1994, the year they were college freshmen.
[64] His contributions and achievements led to his promotion in October 2014 to the esteemed position of Director, overseeing both cable channel tvN and StoryOn.
[66][67] In early 2014, Lee and Na Young-seok participated in the 2nd CJ Creative Forum Culture Talk, which took place at Yonsei University Auditorium in Sinchon, Seoul.
[74] Additionally, Grandpas Over Flowers Season 4 was filmed in Dubai and Greece, with Choi Ji-woo joining as Lee Seo-jin's assistant.
[67] Lee's approach to production involved taking risks and considering the potential success of projects in the overseas market, even if they didn't generate high viewership ratings domestically.
[81] In December 2015, based on personnel information disclosed by CJ Group, Lee Myung-han, who was the Head of tvN headquarters, was promoted to the position of managing director.
Channel M had been providing content to about 7.8 million households through 40 platforms in 10 Southeast Asian countries, including Hong Kong, Singapore, Malaysia, Indonesia, Taiwan, and the Philippines.
The aim of this move was to enhance the network's brand competitiveness in Korea and provide a more diverse and enjoyable content experience to viewers in Southeast Asia.
The 'tvN10 Festival' took place at KINTEX in Ilsan, Gyeonggi-do, and offered recreated program booths, fun games, and delicious tastings.
Kang Ho-dong and Shin Dong-yup served as the hosts for the ceremony, and an impressive lineup of stars from various tvN productions was expected.
In accordance with the executive rules and compensation committee resolution, the long-term incentives were based on business performance compared to targets, organizational payment ratio, and KPI evaluation.
[96] On March 12, 2021, TVING made an announcement regarding the appointment of Lee Myung-han as co-CEO of the company, alongside the then-current CEO Yang Ji-eul.
[98] Under Lee's leadership, the number of paid subscribers more than tripled in the first year since TVING's launch, showcasing a remarkable growth rate of 206% as of October 2021.
[100] Lee Myung-han currently serves as CEO of Egg is Coming (에그이즈커밍), following his transfer with Na Yeong-seok and Shin Won-ho to the company in March 2023.
[101][102][103] Eggs is Coming was established by Lee Woo-jung and She appointed the CEO role to former producer of KBS and Monster Union Ko Jeong-seok.
This involved acquiring any remaining shares to make each subsidiary wholly-owned and merging them into CJ ENM Studios, while keeping their names as brands or labels.
[118] Lee emphasized the significance of content creators transforming into recognized brands, as the success of their work relies on establishing trust and recognition among the audience.