Center Office Staff

Robert Celotta, Director
Robert Celotta is the current and founding Director of NIST’s Center for Nanoscale Science and Technology. He received his B.S. in Physics from the City College of New York, and his Ph.D. in Physics from New York University. more...

Lloyd Whitman, Deputy Director
Lloyd Whitman joined the Center for Nanoscale Science and Technology as the Deputy Director in April 2008. He received a B.S. in Physics from Brown University (with honors, magna cum laude), and M.S. and Ph.D. degrees in Physics more...

Donna Lauren, Senior Management Advisor
Donna Lauren is the Senior Management Advisor for CNST. She has a B.S. in Organizational Management from Columbia Union College. Prior to joining CNST, Donna served as a Lead Administrative Officer more...

Robert Rudnitsky, Scientific Advisor
Robert Rudnitsky is the Scientific Advisor for CNST. Robert has a B.A. from Yale University and a Ph.D. in Applied Physics from Stanford University where he was a Hertz Fellow. At Stanford more...

Kristen Dill, Visual Information Specialist
Kristen Dill is a Visual Information Specialist for the CNST.  She has a B.S. in Horticulture from Iowa State University and nearly two decades of experience in graphic arts and design. more...

Russell Hajdaj, Safety Officer and Property Manager
Russell Hajdaj is the CNST Safety Officer and Property Manager. He initially joined NIST as a Facility Manager working for the Electronics and Electrical Engineering Laboratory more...

Karen Haugh, Administrative Officer
Karen Haugh is the Administrative Officer for the CNST. She has worked for NIST for 28 years. Prior to joining the CNST, Karen worked for 18 years as the AO for the Electron and Optical Physics Division more...

Matthew Gonzales, Administrative Support Assistant
Matthew Gonzales is an Administrative Support Assistant in the CNST. He has a B.S. in Sports Management from Springfield College and an M.S. in Sports Leadership from Duquesne University more...

Amy Grafmuller, Executive Assistant to the Director and Deputy Director
Amy Grafmuller is the Executive Assistant to the Director and Deputy Director. Prior to joining the CNST, she worked as the Division Secretary for the Analytical more...

Luanne Mehelich, Administrative Support Assistant
Luanne Mehelich is an Administrative Support Assistant in the CNST. Prior to joining NIST, she worked in the Administration Department at General Motors Truck and Bus Engineering. more...

Jeff Pasternak, Facility User Coordinator
Jeff Pasternak is the Facility User Coordinator at the CNST. He has a B.S. in Business Management from the University of Maryland. Prior to joining NIST, Jeff worked in customer service for private industry more...

Denise Rogers, Administrative Specialist for Information Management
Denise Rogers began her career at NIST as the Group Secretary for the Electron Physics Group in CNST, becoming the Executive Assistant to the Deputy Director of CNST in May 2008. In November 2010, more...

Kirsten Sisson, Visual Information Specialist
Kirsten Sisson is a Visual Information Specialist for the CNST. She has experience working in graphic design, web layout, videography and photography in the United States Air Force. more...