YeonJung has always been interested in witty thinking, which is the most entertaining area of graphic design .
With playful ideas, and images blending with type, she has designed numerous logos, posters, characters, and GUIs.
She also designed many interactive pieces and video art.

YeonJung has participated in opera performances, and presentations in Soho Galleries for video, and interactive art.
She taught Graphic Design and Web production at Ramapo College of New Jersey, and at Harvestworks Digital Media
Center in Soho, New York.