Donald J. Harris was born in Jamaica in 1938, and moved to the United States in the 1960s to get his Ph.D. at the University of California-Berkeley. He later became naturalized as a U.S. citizen. Harris taught at the University of Illinois and Northwestern University briefly, then became an associate professor at the University of Wisconsin-Madison before moving to California and securing a job as a Professor of Economics at Stanford University. Now, after retiring in the late 1990s, he holds the title of emeritus professor.