Small forward and shooting guard who is best known to NBA fans for his years with the Boston Celtics, New York Knicks and Miami Heat. He was a Third-Team All-Big 12 selection at Kansas State University prior to being drafted in 2008.
He was a consensus top ten recruit in the nation while attending North College Hill High School, where he won back-to-back Ohio Division III state titles.
He was known as Bill Walker for the majority of his life. In 2014, he began going by Henry, which is his middle name.
He was raised by his mother. He has a sister.
He was high school teammates with future NBA lottery pick OJ Mayo.