Saeju Jeong

Jeong Saeju (born 1981)[1] is an American entrepreneur and a co-founder, chairman, and the former CEO of Noom, a weight loss company.[2]

Early life and education

Jeong was born in 1981, in South Korea, to a family of doctors. In 2001, he founded BuyHard Productions, an independent music label with a focus on heavy metal.[3] In 2002, he joined the Republic of Korea Army as an IT specialist. He pursued a Bachelor of Engineering degree from Hongik University,[4] but in 2005,[5] he dropped out to move to Manhattan, New York.[6][7]

Career

In Harlem, Jeong met Noom co-founder Artem Petakov. In 2007, the two established WorkSmart Labs and itsfirst prototype, a stationary-bike accessory. Jeong worked various sales jobs and as a food delivery driver.[8]

In 2011, WorkSmart rebranded to Noom and raised a US$2.6 million seed round led by Kleiner Perkins.[9]

Noom relaunched in 2017 with a subscription-based weight-management app.[10][11]

In 2020, Jeong was awarded the Ernst & Young Entrepreneur of the Year Award.[12]

In 2021, Noom raised $540 million in funding, valuing the company at $3.7 billion.[13]

In 2023, Jeong stepped down as Noom CEO and was replaced by Geoff Cook, a founder of The Meet Group.[14]

References

  1. Erin Geiger Smith. What Saeju Jeong, tech entrepreneur, packs when traveling on business Wall Street Journal, 2014-07-16, retrieved 2025-04-01^
  2. Min-soo Kim. [미국이 주목하는 '코리안 파워'] 정세주 눔 대표 Forbes, 2020-02-23, retrieved 2025-04-01^
  3. How Saeju Jeong went from heavy metal music to building a health app The CEO Magazine, 18 March 2022, retrieved 2025-04-01^
  4. Tom Foster. How Noom's Founders Shook Up a $250 Billion Industry With a Pandemic Hit That Took 10 Years to Build Inc., retrieved April 1, 2025^
  5. Yong-tak Cho. [POWER LEADER 2030] 정세주 눔 대표 Forbes, 2017-01-23, retrieved 2025-04-01^
  6. Seo-hee Lee. '美 최고 헬스케어 스타트업' 키운 정세주 눔 창업자 "또 다른 혁신 위해 CEO 물러난다" 한국일보, 2023-09-18, retrieved 2025-04-01^
  7. Sarah Skidmore Sell. Noom CEO talks life goals, weight loss and heavy metal The Seattle Times, 2021-06-14, retrieved 2025-04-01^
  8. Yu-seon Noh. 정세주 눔 의장 - 사람을 이해하는 기술 Forbes, 2025-01-23, retrieved 2025-04-01^
  9. Jonah Comstock. Fitness app-maker Noom nabs $2.6M for Korean expansion MobiHealthNews, 2012-12-21, retrieved 2025-04-01^
  10. Joo-Wan Kim. What's wrong with making money from startup exits? The Korea Economic Daily, Aug 22, 2024, retrieved 2025-04-01^
  11. Barbara Thau. How Noom Incorporated Psychology and Technology Into Its Weight-Loss App United States Chamber of Commerce, 2021-02-17, retrieved 2025-04-01^
  12. Entrepreneur Of The Year New York judges www.ey.com, retrieved 2025-04-01^
  13. Angelica Peebles, Crystal Tse. Weight-Loss App Noom Gets $540 Million in Silver Lake-Led Round Bloomberg, May 24, 2021, retrieved April 1, 2025^
  14. Chip Cutter. Noom Picks New CEO as It Moves Into Market for Ozempic WSJ, retrieved 2025-04-01^