[1] He enrolled at the University of Michigan (Ann Arbor) and Albion College for his undergraduate degree but left after his sophomore year to join the Volunteers in Service to America program in western Alaska.
Miller eventually enrolled at the University of Colorado Boulder where he planned to major in social sciences but switched to geology after being taught by William C Bradley and meeting geologist John T.
[1] Following his PhD, Miller completed a postdoctoral fellowship with PE Hare at the Geophysical Laboratory, Washington D.C., then returned to CU Boulder and the Institute of Arctic and Alpine Research.
[8] Miller was later tapped as an expert to give his perspective on the discovery of pristine skeletal remains of Pleistocene megafauna in remote Australian limestone caves.
[10] The following year, he was elected a Fellow of the American Geophysical Union for his "pioneering work in dating methods as well as his insights into the Quaternary climates and the role of humans in ecological change.