We are Massive Assembly.

We work with tech and cultural brands to take product launches to the next level. 

We unveil the innovations in retail experiences, events, and product campaigns.

We do it with a mix of business and video strategy.





Eugene Art Seo
Creative Director | Founder

Eugene received a BFA from Art Center College of Design. He has applied his design sensibilities to film title design, product launches, and digital experiences. He puts brand value first. To drive business. To combine creative with strategy. To execute at a high standard.

Eugene has worked with renowned agencies across Los Angeles, San Francisco, and Portland, including Wieden+Kennedy, Prologue, Ferroconcrete, Sandwich Video, and Use All Five — on brands including Beats by Dre, MeUndies, Google, ESPN, Redbull, and Nike.


Jason Yeh
Design Director | Partner

Jason is a Chinese/Taiwanese American designer living in Los Angeles. Growing up, he’d spend his days in the projection booth in his family’s local cinema; while being terrorized by A Nightmare on Elm Street posters.

After receiving his BFA from Art Center in 2010, Jason has worked in silicon valley as a design strategist, Ferroconcrete as brand strategist, Use All Five as an art director, and motion designer at Prologue and National Television. He worked under Kyle Cooper of Prologue on main title design and VFX for films & games such as Moneyball and Splinter Cell.

Through his career, he has collaborated with brands like Nike, Sony, Disney, Google, Universal Pictures, UbiSoft, and more.

Jason’s design & technology patents resulted hardware products in mixed reality, wearable computing, and mobile user experience. He also has a number of successes in crowdfunding and entrepreneurship, most notably Commodity, Inc.

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Find us

530 W 7th St. #604
Los Angeles, CA 90014


Join us

We’re looking out for killer freelance talent:

— Editors
— Type Animators
— Motion Designers
— Brand Designers

We appreciate all submissions but may not be able to reply to all.