| Barbara Guttman | Software Quality Group | barbara.guttman [at] nist.gov | Fed |  | 
          
                                                                                        | Brennen Guy | Boulder Design and Construction - HQ |  | Ctr |  | 
          
                                                                                        | Jonathan E. Guyer | Materials Science and Engineering Division - HQ | jonathan.guyer [at] nist.gov | Fed |  | 
          
                                                                                        | Mario Guzman | Operations Engineering Group |  | Ctr |  | 
          
                                                                                        | Homero Guzman Dominguez | Facilities Improvement (Boulder) Group |  | Ctr |  | 
          
                                                                                        | Edvinas Gvozdiovas | Laser Cooling and Trapping Group | edvinas.gvozdiovas [at] nist.gov | IntlAssoc |  | 
          
                                                                                        | Andras Gyenis | Advanced Microwave Photonics Group | andras.gyenis [at] nist.gov | Assoc |  | 
          
                                                                                        | Sue Li | Financial Assistance Agreements Management Office – HQ | sue.ha [at] nist.gov | Fed |  | 
          
                                                                                        | Gregory Haber | Statistical Design, Analysis, and Modeling Group | gregory.haber [at] nist.gov | Fed |  | 
          
                                                                                        | Saadi Habib | Mechanical Performance Group | saadi.habib [at] nist.gov | Fed |  | 
          
                                                                                        | Hani Habra | Mass Spectrometry Data Center Group | hani.habra [at] nist.gov | Assoc |  | 
          
                                                                                        | Holly Hack | Complex Microbial Systems Group | holly.hack [at] nist.gov | Fed |  | 
          
                                                                                        | Christina Hacker | Nanoscale Spectroscopy Group | christina.hacker [at] nist.gov | Fed |  | 
          
                                                                                        | Bethany Hackett | National Voluntary Laboratory Accreditation Program (NVLAP) | bethany.hackett [at] nist.gov | Fed |  | 
          
                                                                                        | Dr. Vincent A. Hackley | Nano Materials Research Group | vince.hackley [at] nist.gov | Assoc | Chemistry, Environment, Materials, Nanotechnology, Standards | 
          
                                                                                        | Zahra Hadadian O'Connor | Public Safety Communications Research Division - HQ | zahra.hadadianoconnor [at] nist.gov | Fed |  | 
          
                                                                                        | Joshua Hadler | Physical Measurement Laboratory- HQ | joshua.hadler [at] nist.gov | Fed |  | 
          
                                                                                        | Kashif Hafeez | A&A Infrastructure Group | kashif.hafeez [at] nist.gov | Fed |  | 
          
                                                                                        | Jacob Hager | Operations Engineering Group |  | Ctr |  | 
          
                                                                                        | Aaron Hagerstrom | Guided Wave Electromagnetics Group | aaron.hagerstrom [at] nist.gov | Fed |  | 
          
                                                                                        | Edward Hagley | Optical Radiation Group | edward.hagley [at] nist.gov | Fed |  | 
          
                                                                                        | Joseph Hagmann | Nanoscale Spectroscopy Group | joseph.hagmann [at] nist.gov | Assoc |  | 
          
                                                                                        | Grace Hahm | Organic Chemical Metrology Group | grace.hahm [at] nist.gov | Assoc |  | 
          
                                                                                        | Carina Hahn | Image Group | carina.hahn [at] nist.gov | Fed | Trustworthy and responsible AI, Biometrics, Usability and human factors, Experiment design, Statistical analysis | 
          
                                                                                        | Carina Hahn | Image Group | carina.hahn [at] nist.gov | Fed |  | 
          
                                                                                        | Olivia Haider | Neutron-Condensed Matter Science Group | olivia.haider [at] nist.gov | Fed |  | 
          
                                                                                        | Brian Haight | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Brandon Hailwood | Travel Group | brandon.hailwood [at] nist.gov | Fed |  | 
          
                                                                                        | Toby Hain | Director's Office - HQ | toby.hain [at] nist.gov | Fed |  | 
          
                                                                                        | Michael Haines | Materials Structure and Data Group | michael.haines [at] nist.gov | Fed |  | 
          
                                                                                        | Francis Haislmaier | Building Management (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Eissa Haj-Hamad | Capital Asset Management and Facilities Planning Group |  | Ctr |  | 
          
                                                                                        | Hadhoum Hajjaj | IoT Devices and Infrastructures Group | hadhoum.hajjaj [at] nist.gov | IntlAssoc |  | 
          
                                                                                        | Sonja Hakala | Photonics and Optomechanics Group | sonja.hakala [at] nist.gov | Assoc |  | 
          
                                                                                        | Attila Halacsy | Reactor Operations and Engineering Group | attila.halacsy [at] nist.gov | Fed |  | 
          
                                                                                        | Adam Halaoui | Neutral Atom Optical Clocks Group | adam.halaoui [at] nist.gov | Assoc |  | 
          
                                                                                        | Joshua Halbert | Security Systems and Access Control Group | joshua.halbert [at] nist.gov | Fed |  | 
          
                                                                                        | Mackenzie Hale | Facilities Services Division - HQ |  | Assoc |  | 
          
                                                                                        | Jeffrey Hale | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Jeffrey Hale | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | William Hale | Emergency Services - HQ |  | Ctr |  | 
          
                                                                                        | Lucas Hale | Thermodynamics and Kinetics Group | lucas.hale [at] nist.gov | Fed |  | 
          
                                                                                        | Samuel Hales | Materials Structure and Data Group | samuel.hales [at] nist.gov | Fed |  | 
          
                                                                                        | Omer Halevy | Photonics and Optomechanics Group | omer.halevy [at] nist.gov | IntlAssoc |  | 
          
                                                                                        | Michael Hall | Technology Partnerships Office - HQ | michael.hall [at] chips.gov | Fed |  | 
          
                                                                                        | Nathan Hall | Fire and Facilities Safety Group | nathan.hall [at] nist.gov | Fed |  | 
          
                                                                                        | Natalie Hall | Remote Sensing Group |  | Fed |  | 
          
                                                                                        | Thomas Hall | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Timothy A. Hall | Security Test, Validation and Measurement Group | timothy.hall [at] nist.gov | Assoc |  | 
          
                                                                                        | Julia Hall | Facilities Improvement (Gaithersburg) Group |  | Ctr |  |