1. Michael Collier, author of Dr. Who books. Wikipedia suggests that it is a pseudonym for Stephen Cole.
2. Michael Collier received a B.S. in geology at Northern Arizona University, an M.S. in structural geology at Stanford University, and an M.D. degree from the University of Arizona.
3. Michael Collier (1953-), poet & teacher at the University of Maryland
4. Michael Collier - Microsoft Azure Essentials - Fundamentals of Azure