Gregory N. Nielson is currently a Senior Member of Technical Staff at Sandia National Laboratories in the Advanced MEMS group where he works in the area of optical microsystems. He came to Sandia as a Harry S. Truman Fellow in 2004. He received a B.S. in Mechanical Engineering from Utah State University in 1998 and an M.S. and PhD from the Massachusetts Institute of Technology in 2000 and 2004, respectively.