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Established as a spin-off agency of expand k, an agile, data-driven and innovative digital marketing agency based in Seoul, South Korea — expand c focuses on providing full-service across KR e-commerce platforms for global clients.

Learn more about our parent agency & team members below!


Ian Cho

Founder & CEO

With over 8 years of experience in digital, Ian has worked with many global tech companies on KR expansion projects at a leading digital agency based in London, UK. Upon returning to Seoul, Ian has started expand k to provide more in-market support to businesses from all over the world.


In his free time, Ian enjoys taking long hikes around Seoul with his dog.


Belrina Im

Social & Display Manager

Belrina leads all fronts of social & display campaigns at expand k. With her considerate attention to the target audience, she uncovers valuable consumer insights for brands of various industries.


A proud vegetarian & a skilled yogi, Belrina shares her calmness & peace to everyone she works with.


Alex Cho

Performance Manager

Alex is a data problem solver. He keeps the team at the leading edge of performance marketing and empowers brands to unlock potential growth from data.


As an avid foodie with a diverse palette (he has lived in the US for over 10 years), anyone can rely on Alex’s recommendation of exquisite restaurants in Seoul.


Sydney Koo

Content Manager

Sydney knows the power of ‘great’ content. She plans & produces creative content for a wide range of brands so that people can connect with the brand through content.

Addicted to ‘new’ content & experiences (she has xx monthly service subscriptions) - Sydney is the first to know for all hip & trending things in Seoul.


Bona Jo

Creative Lead

Bona is responsible for design direction & development of creative vision across all projects at expand k. With background in graphic design, she enables purposeful user interaction through digital touchpoints across various platforms.


Recently, Bona has fallen in love with the novelty of natural wine & enjoys dozy afternoons at hidden winebars across Seoul.


Una Park

Account Executive

With background in the hospitality industry of Australia, Una focuses on delivering high-standard digital marketing service to global clients.

Packed with positive energy & always up for new challenges, she knows how to make people feel uplifted and takes herself & others to experience something new.


Digital marketing agency dedicated to driving success in the Korean & APAC markets.

Learn more about our parent agency.


V01, 39 Banpo-daero 22-gil,

Seocho-gu, Seoul,

Republic of Korea 06648


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