# Steve Jun

> Steve (Ilsoo) Jun is CEO of INNOCEAN USA and a founding member of INNOCEAN Worldwide. After helping establish the Seoul headquarters and leading European operations, he became U.S. CEO in 2015. His public reflections connect agency growth with curiosity, cultural understanding and teamwork.

- **Role:** Chief Executive Officer at INNOCEAN USA
- **Organizations:** INNOCEAN USA, INNOCEAN Worldwide, INNOCEAN Europe, Diamond Ad America, Diamond Bates Korea, ABLEA
- **Known for:** Founding member of INNOCEAN Worldwide, helping establish its 2005 Seoul headquarters and overseas offices., Led the U.S. agency during Hyundai’s 2016 USA TODAY Ad Meter win for First Date., Led INNOCEAN USA during its recognition in the 2026 Ad Age A-List top ten.

## Career timeline

- **1995** — Became managing director of Diamond Ad America.
- **2000** — Became group account director at Diamond Bates Korea.
- **2005** — Helped establish INNOCEAN Worldwide headquarters in Seoul as a founding member.
- **2013-2015** — Led INNOCEAN European operations before his U.S. appointment; contemporary accounts differ on the precise start date.
- **2015** — Appointed CEO of INNOCEAN Worldwide Americas, effective June 29.
- **2023** — Welcomed Jason Sperling as INNOCEAN USA chief creative officer.
- **2025** — Leslie Barrett became INNOCEAN USA president, reporting to Jun.
- **2026** — INNOCEAN USA reached Ad Age’s A-List; announced a planned El Segundo headquarters.

## Achievements

- Founding member of INNOCEAN Worldwide, helping establish its 2005 Seoul headquarters and overseas offices.
- Led the U.S. agency during Hyundai’s 2016 USA TODAY Ad Meter win for First Date.
- Led INNOCEAN USA during its recognition in the 2026 Ad Age A-List top ten.

## Latest updates

- **2026-08** — INNOCEAN USA announced production promotions for Nicolette Spencer and Melissa Moore.
- **2026-08** — INNOCEAN USA signed an approximately 101,000-square-foot El Segundo headquarters lease, with occupancy expected after construction in 2027.
- **2026-03** — INNOCEAN announced its inclusion in the top ten of Ad Age’s 2026 A-List.

## Links

- Website: https://innoceanusa.com
- LinkedIn: https://www.linkedin.com/in/steve-ilsoo-jun-1b4b2420/

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Profile page: https://yespress.io/steve-jun
Published by YesPress — https://yespress.io
Last updated: 2026-10-06