| Gabrielle Grossnicklaus | Data and AI-Driven Materials Science Group | gabrielle.grossnicklaus [at] nist.gov | Fed |  | 
          
                                                                                        | Justin W Grossnickle | Fire Protection Group | justin.grossnickle [at] nist.gov | Fed |  | 
          
                                                                                        | Patrick J. Grother | Image Group | patrick.grother [at] nist.gov | Fed |  | 
          
                                                                                        | Edward Grube | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Daniel Gruber | Magnetic Imaging Group | daniel.m.gruber [at] nist.gov | Assoc |  | 
          
                                                                                        | Erik Grumstrup | Quantum Nanophotonics Group | erik.grumstrup [at] nist.gov | Assoc |  | 
          
                                                                                        | Karen Grutter | Nanostructure Fabrication and Measurement Group |  | Assoc |  | 
          
                                                                                        | Alexander Grutter | Neutron-Condensed Matter Science Group | alexander.grutter [at] nist.gov | Fed |  | 
          
                                                                                        | Donghwan Gu | Community Resilience Group | donghwan.gu [at] nist.gov | Assoc | Sustainability, Modeling and simulation research, Statistical analysis, Community resilience, Disaster and failure studies | 
          
                                                                                        | Xiaohong Gu | Infrastructure Materials Group | xiaohong.gu [at] nist.gov | Fed |  | 
          
                                                                                        | Dazhen Gu | Shared Spectrum Metrology Group | dazhen.gu [at] nist.gov | Fed |  | 
          
                                                                                        | Haiying Guan | Multimodal Information Group | haiying.guan [at] nist.gov | Fed | Digital evidence, Artificial intelligence, Biometrics, Usability and human factors, Video analytics | 
          
                                                                                        | Xiaoxu Guan | Research Data and Computing Office – HQ | collin.guan [at] nist.gov | Fed |  | 
          
                                                                                        | Scott Gudahl | Site Support Group |  | Ctr |  | 
          
                                                                                        | Nishwanth Gudibandla | Thermodynamics and Kinetics Group | nishwanth.gudibandla [at] nist.gov | Assoc |  | 
          
                                                                                        | Natalia Gudino |  |  | Fed |  | 
          
                                                                                        | Murthy Gudipati | Optical Radiation Group |  | Assoc |  | 
          
                                                                                        | Daniel Gudmunson | Facilities Improvement (Boulder) Group |  | Ctr |  | 
          
                                                                                        | Esther Guerin | Communications Technology Laboratory HQ Gp | esther.guerin [at] nist.gov | IntlAssoc |  | 
          
                                                                                        | Edward Guerrero | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Jeffrey R. Guerrieri | National Voluntary Laboratory Accreditation Program (NVLAP) | jeffrey.guerrieri [at] nist.gov | Fed |  | 
          
                                                                                        | Phillip Guetterman |  |  | Ctr |  | 
          
                                                                                        | Ashley Guevara Vasquez | Building Management (Gaithersburg) Group | ashley.guevaravasquez [at] nist.gov | Ctr |  | 
          
                                                                                        | Kevin Guevara Vega | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Guzel Gufranova | Acquisition Operations | guzel.gufranova [at] nist.gov | Fed |  | 
          
                                                                                        | Gregory Guggenheim | Boulder Design and Construction - HQ |  | Ctr |  | 
          
                                                                                        | Tracey Guglielmini | Office of Safety, Health and Environment - HQ | tracey.guglielmini [at] nist.gov | Fed |  | 
          
                                                                                        | Billy Guillen Sanchez | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Shane Guinard | Security Systems and Access Control Group |  | Ctr |  | 
          
                                                                                        | Jacob Guinn | Cellular Engineering Group |  | Ctr |  | 
          
                                                                                        | Caldwell Guinyard | Logistics Group | caldwell.guinyard [at] nist.gov | Fed |  | 
          
                                                                                        | Michael Gullans |  | michael.gullans [at] nist.gov | Fed |  | 
          
                                                                                        | Ali Gunay | Customer Relationship Management Group | ali.gunay [at] nist.gov | Ctr |  | 
          
                                                                                        | David Gundlach | Nanoscale Device Characterization Division - HQ | david.gundlach [at] nist.gov | Fed |  | 
          
                                                                                        | Wenqi Wendy Guo | IoT Devices and Infrastructures Group | wenqi.guo [at] nist.gov | Fed |  | 
          
                                                                                        | Qiaochu Guo | Fundamental Thermodynamics Group | qiaochu.guo [at] nist.gov | Assoc |  | 
          
                                                                                        | Qiaochu Guo | Fundamental Thermodynamics Group | qiaochu.guo [at] nist.gov | Assoc |  | 
          
                                                                                        | Dr. Yang Guo | Security Components and Mechanisms Group | yang.guo [at] nist.gov | Fed |  | 
          
                                                                                        | Sarbari Gupta | Cybersecurity and Privacy Applications Group | sarbari.gupta [at] nist.gov | Ctr |  | 
          
                                                                                        | Enrique Gurdian | Facilities Modernization (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Anil Gurgen | Reactor Operations and Engineering Group | anil.gurgen [at] nist.gov | Assoc |  | 
          
                                                                                        | Eva Gurra | Quantum Electronics Group | eva.gurra [at] nist.gov | Assoc |  | 
          
                                                                                        | Christopher Gurule | Boulder Facilities Maintenance- HQ |  | Ctr |  | 
          
                                                                                        | Leonard Gusman | Facilities Improvement (Boulder) Group |  | Ctr |  | 
          
                                                                                        | Kevin Gustin | Gaithersburg Design and Construction - HQ | kevin.gustin [at] nist.gov | Fed |  | 
          
                                                                                        | William F Guthrie | Statistical Engineering - HQ | william.guthrie [at] nist.gov | Assoc | Forensic Science, Experiment design, Statistical analysis, Uncertainty quantification, Standards | 
          
                                                                                        | Lewin Gutierrez |  |  | Ctr |  | 
          
                                                                                        | Carlos Gutierrez | Facilities Improvement (Boulder) Group |  | Ctr |  | 
          
                                                                                        | Brian Gutierrez | Media Liaison Group | brian.gutierrez [at] nist.gov | Fed |  | 
          
                                                                                        | Sandra Gutierrez Razo | Nanostructure Fabrication and Measurement Group | sandra.a.gutierrezrazo [at] nist.gov | Assoc |  |