Leegan Koo began drawing and painting at a young age. He grew up moving from one metropolitan city to another—Baltimore, Philadelphia, and New York City; and cultural diversity and experience of dynamic urban life became the major source of his artistic inspiration, along with jazz, hiphop, and graffiti. In 2011, Leegan began to focus on painting cityscapes—a visual manifestation of memories and emotions attached to certain places—and experimented with various styles of realism and surrealism. In 2013, he moved to San Francisco to attend Academy of Art University where he received his first formal art education. In 2014. He currently lives and works as a freelance artist and art instructor in Los Angeles.