Though he wrestled between photography and a science career, O'Neil was drawn to the ability to communicate with a camera. He earned a Masters Degree in photojournalism at Ohio University and has worked in the publications industry throughout his career.
O'Neil Arnold Photography began in Louisville, Kentucky, in 1994. The following year, he relocated to Amsterdam, the Netherlands, and spent five years working for corporate and editorial clients in Europe. Back in Louisville, O'Neil continues to create images for international companies, as well as local and regional clients. O'Neil's photos have won numerous awards and been published in major metropolitan newspapers and many magazines.