| Maria Nowicki | Advanced Microwave Photonics Group |  | Assoc |  | 
          
                                                                                        | Utku Noyan |  |  | IntlAssoc |  | 
          
                                                                                        | Kristine Jane Noza | Talent Acquisition – HQ | kristinejane.noza [at] nist.gov | Fed |  | 
          
                                                                                        | Joshua Nunley | Boulder Facilities Maintenance- HQ |  | Ctr |  | 
          
                                                                                        | Cory Nunn | Quantum Optics Group | cory.nunn [at] nist.gov | Assoc |  | 
          
                                                                                        | Aaron Nusbaum | Facilities Improvement (Boulder) Group | aaron.r.nusbaum [at] nist.gov | Fed |  | 
          
                                                                                        | Vishali Nuvvala | Business Systems Group | vishali.nuvvala [at] nist.gov | Fed |  | 
          
                                                                                        | Phillipa Nyamali | Biomaterials Group | phillipa.nyamali [at] nist.gov | IntlAssoc |  | 
          
                                                                                        | Wilson Ombati Nyangau | Office of Weights and Measures | wilsonombati.nyangau [at] nist.gov | IntlAssoc | Semiconductors, Metrology, Weights and measures, Documentary standards | 
          
                                                                                        | Kevin O'Brien | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Mark O'Brien | Research Facility Operations Group | mark.obrien [at] nist.gov | Fed |  | 
          
                                                                                        | Bruce O'Brien | NIST Center for Neutron Research - HQ | bruce.obrien [at] nist.gov | Ctr |  | 
          
                                                                                        | Timothy O'Brien | Office of Emerging Technologies | tim.obrien [at] nist.gov | Ctr |  | 
          
                                                                                        | Michael O'Brien | Investments Division – HQ | michael.obrien [at] chips.gov | Fed |  | 
          
                                                                                        | Chic O'Dell | Advanced Communications Research Group | chic.odell [at] nist.gov | Fed |  | 
          
                                                                                        | William Brad O'Dell | Biosystems and Biomaterials Division - HQ | william.odell [at] nist.gov | Fed | Biomanufacturing, Cell measurements | 
          
                                                                                        | Ryan O'Donnell | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Kevin O'Donovan | Institutional Support and Facilities Group | kevin.odonovan [at] nist.gov | Fed |  | 
          
                                                                                        | Cheyney O'Fallon | Smart Grid Group | cheyney.ofallon [at] nist.gov | Ctr | Building economics, Electric power / smart grid, Modeling and simulation research, Statistical analysis, Resilience economics | 
          
                                                                                        | Sean O'Leary |  |  | Assoc |  | 
          
                                                                                        | Ryan O'Loughlin | Quantum Nanophotonics Group | ryan.oloughlin [at] nist.gov | Fed |  | 
          
                                                                                        | Cara O'Malley | International and Academic Affairs Office - HQ | cara.omalley [at] nist.gov | Fed |  | 
          
                                                                                        | Galen O'Neil | Quantum Calorimeters Group | galen.oneil [at] nist.gov | Fed |  | 
          
                                                                                        | Erin O'Neill | Talent Acquisition – HQ | erin.oneill [at] nist.gov | Fed |  | 
          
                                                                                        | Richard O'Quinn | Fire Protection Group |  | Ctr |  | 
          
                                                                                        | Patrick D. O'Reilly | Security Engineering and Risk Management Group | patrick.oreilly [at] nist.gov | Fed |  | 
          
                                                                                        | Maureen O'Reilly | Management and Organization Office- HQ | maureen.oreilly [at] nist.gov | Fed |  | 
          
                                                                                        | James O'Shaughnessy | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Brian Oakley | Operations Office – HQ | brian.oakley [at] chips.gov | Assoc |  | 
          
                                                                                        | Yaw S. Obeng | Advanced Electronics Group | yaw.obeng [at] nist.gov | Fed |  | 
          
                                                                                        | Samuel Oberdick | Magnetic Imaging Group | samuel.oberdick [at] nist.gov | Assoc |  | 
          
                                                                                        | Jacob Oberosler |  |  | Ctr |  | 
          
                                                                                        | Jan Obrzut | Functional Polymers Group | jan.obrzut [at] nist.gov | Fed | Electronics, Materials, Polymers, Standards, Documentary standards | 
          
                                                                                        | Maicol A. Ochoa |  | maicol.ochoadaza [at] nist.gov | Assoc |  | 
          
                                                                                        | Kenneth Odo | Security Systems and Access Control Group | kenneth.odo [at] nist.gov | Ctr |  | 
          
                                                                                        | Takehiko Oe | Fundamental Electrical Measurements Group | takehiko.oe [at] nist.gov | IntlAssoc |  | 
          
                                                                                        | Stephanie Offutt | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Michael Ogata | Cybersecurity and Privacy Applications Group | michael.ogata [at] nist.gov | Fed |  | 
          
                                                                                        | Rebecca (Becky) M. Ogg | NIST Center for Neutron Research - HQ | rebecca.ogg [at] nist.gov | Fed |  | 
          
                                                                                        | Doug Ogg | Research Facility Operations Group | doug.ogg [at] nist.gov | Fed |  | 
          
                                                                                        | Daniel W Ogg | Research Facility Operations Group | daniel.ogg [at] nist.gov | Fed |  | 
          
                                                                                        | Stephen Ogier | Magnetic Imaging Group | stephen.ogier [at] nist.gov | Fed | Electronics, Electromagnetics, Medical imaging, Magnetics | 
          
                                                                                        | Hakju Oh | Process Engineering Group | hakju.oh [at] nist.gov | IntlAssoc |  | 
          
                                                                                        | Jasmine OHannon | National Cybersecurity Center of Excellence | jasmine.ohannon [at] nist.gov | Ctr |  | 
          
                                                                                        | Yoshi Ohno | Optical Radiation Group | yoshi.ohno [at] nist.gov | Assoc |  | 
          
                                                                                        | John Ojelabi | National Cybersecurity Center of Excellence | john.ojelabi [at] nist.gov | Ctr |  | 
          
                                                                                        | Adedokun Ojo-Ade | Agreements Group | adedokun.ojo-ade [at] nist.gov | Fed |  | 
          
                                                                                        | Ibrahim Oksuz | Chemical Process and Nuclear Measurements Group | ibrahim.oksuz [at] nist.gov | IntlAssoc |  | 
          
                                                                                        | Alex Okun | Software Quality Group | alex.okun [at] nist.gov | Assoc |  | 
          
                                                                                        | Vadim Okun | Software Quality Group | vadim.okun [at] nist.gov | Fed | Cybersecurity measurement, Software testing |