Katerina (AKA Ninja Jo) is a freelance artist born in Ukraine. She works in digital and traditional materials such as watercolor, ink, and oil. She has more than twenty years of experience in traditional art and over ten years in digital. Subjects of her paintings are usually robots, different science fiction scenes, dark, or cyberpunk. Before she became a full-time artist, she worked as a photographer. Photos are still her second favorite thing after painting.