A native of Newport News, VA, Dr. Ricker earned B.S. and M.S. degrees from N.C. State University and a Ph.D. from Rensselaer Polytechnic Institute. In addition to NIST, he has worked for NASA, The Babcock & Wilcox Co., and The University of Notre Dame. He has organized over 40 scientific meetings, edited four conference proceedings, and published over 70 scientific papers and 50 technical reports. In addition, he has made over 50 invited presentations at technical meetings, sat on 25 special committees or review panels, and co-authored two chapters for the "ASM Metals Handbook" (Stress Corrosion Cracking and Corrosion of Intermetallics). At NIST he has handled numerous special assignments including directing the NACE-NIST Corrosion Data Program, Program Analyst in the NIST Director's Office, NIST Representative to the Technical Advisory Group of the PNGV program, Representative to the Committee on Civilian Industrial Technology of the National Science and Technology Council (NSTC), Manager of the National Rockwell Hardness Standards Program, Senior Scientific Advisor to the Director of the Materials Science and Engineering Laboratory, and Source Evaluation Board of the Advanced Technology Program (ATP). He is currently serving as the Manufacturing Program Director for the Material Measurement Laboratory.