| John Mates | Quantum Sensors – HQ | john.mates [at] nist.gov | Fed |  | 
          
                                                                                        | James Matey | Image Group | james.matey [at] nist.gov | Fed | Forensic Science, Mathematics and statistics, Physics | 
          
                                                                                        | James Mathesius | Reactor Operations and Engineering Group |  | Ctr |  | 
          
                                                                                        | Biju Mathew | Biophysical and Biomedical Measurement Group | biju.mathew [at] nist.gov | Assoc |  | 
          
                                                                                        | Victor Mathias | Mechanical Systems and Controls Group |  | Assoc |  | 
          
                                                                                        | Nehika Mathur | Life Cycle Engineering Group | nehika.mathur [at] nist.gov | Fed |  | 
          
                                                                                        | Robert Stephen Matia | Emergency Services - HQ | robert.matia [at] nist.gov | Fed |  | 
          
                                                                                        | Daniel Mattes | Reactor Operations and Engineering Group | daniel.mattes [at] nist.gov | Fed |  | 
          
                                                                                        | Ronald Matthews | Facilities Improvement (Boulder) Group |  | Ctr |  | 
          
                                                                                        | Rodney Matthews | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Colin Matthews | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Otis Matthews | Site Services Group |  | Assoc |  | 
          
                                                                                        | Tierra Matthews | Budget - HQ | tierra.matthews [at] nist.gov | Fed |  | 
          
                                                                                        | Jessie Matthews | Facilities Modernization (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Ernest Matthews | Site Services Group | ernest.matthews [at] nist.gov | Fed |  | 
          
                                                                                        | Chad Mattsen | Facilities Improvement (Boulder) Group |  | Ctr |  | 
          
                                                                                        | Philip Maurer | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Joseph Mavilia | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Christopher Mavilia | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | John Mavilia | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Casey Maxwell | Facilities Modernization (Boulder) Group |  | Ctr |  | 
          
                                                                                        | Robert Maxwell | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Willie May | Special Programs Office-HQ | willie.may [at] nist.gov | Assoc |  | 
          
                                                                                        | Jaime L. Maynard | Technology Partnerships Office - HQ | jaime.maynard [at] nist.gov | Fed |  | 
          
                                                                                        | Stephanie C. Maynard | Office of Information Systems Management - HQ | stephanie.maynard [at] nist.gov | Fed |  | 
          
                                                                                        | Willa Mayns | The Material Measurement Laboratory Office of Operations Group | willa.mayns [at] nist.gov | Fed |  | 
          
                                                                                        | Reginald Mays | Security Systems and Access Control Group | reginald.mays [at] nist.gov | Fed |  | 
          
                                                                                        | Toby Maysey | National Cybersecurity Center of Excellence |  | Ctr |  | 
          
                                                                                        | Marcel Mazur | Quantum Information Group | marcel.mazur [at] nist.gov | Assoc |  | 
          
                                                                                        | Michael Mazurek | Quantum Nanophotonics Group | michael.mazurek [at] nist.gov | IntlAssoc |  | 
          
                                                                                        | Gastien Mbouna | Emergency Services - HQ |  | Ctr |  | 
          
                                                                                        | James Mc Fall | Sources and Detectors Group | james.mcfall [at] nist.gov | IntlAssoc |  | 
          
                                                                                        | Sherwin McAdam | Project Management Office | sherwin.mcadam [at] nist.gov | Fed |  | 
          
                                                                                        | Therese P. McAllister | Community Resilience Group | therese.mcallister [at] nist.gov | Fed | Building codes and standards, Structural engineering, Structural fire resistance, Infrastructure, Community resilience | 
          
                                                                                        | Flora McArthur | Operations Office – HQ | flora.mcarthur [at] chips.gov | Fed |  | 
          
                                                                                        | Joshua McArthur | Quantitative Nanostructure Characterization Group | joshua.mcarthur [at] nist.gov | Fed |  | 
          
                                                                                        | Brendan McBennett | Spin Electronics Group | brendan.mcbennett [at] nist.gov | Fed |  | 
          
                                                                                        | Tim McBride | National Cybersecurity Center of Excellence | timothy.mcbride [at] nist.gov | Fed |  | 
          
                                                                                        | Daniel McBride | Nanostructure Fabrication and Measurement Group | daniel.mcbride [at] nist.gov | Assoc |  | 
          
                                                                                        | Andrew B. McCaffrey | Systems Interoperability Group | andrew.mccaffrey [at] nist.gov | Fed |  | 
          
                                                                                        | LaTasha Shaw | Financial Systems and Reporting Division - HQ | latasha.mccallister [at] nist.gov | Fed |  | 
          
                                                                                        | Chase McCallum | Infrastructure Materials Group | chase.mccallum [at] nist.gov | Fed |  | 
          
                                                                                        | Olivia McCasey | Process Engineering Office | olivia.mccasey [at] nist.gov | Fed |  | 
          
                                                                                        | Adam McCaughan | Faint Photonics Group | adam.mccaughan [at] nist.gov | Fed | Quantum communications, Superconducting electronics, Hardware for AI, Machine learning, Condensed matter | 
          
                                                                                        | Erin McCaughey | Optical Measurements Group |  | Assoc |  | 
          
                                                                                        | Jackson McCauley | Associate Director for Management Resources - HQ |  | Fed |  | 
          
                                                                                        | Jennifer McClain | Spectrum Technology and Research – HQ | jennifer.mcclain [at] nist.gov | Fed |  | 
          
                                                                                        | Jabez J McClelland |  | jabez.mcclelland [at] nist.gov | Fed | Hardware for AI, Nanoelectronics, Nanomagnetics, Atomic / molecular / quantum, Electron physics | 
          
                                                                                        | Jackson McCloskey | Fatigue and Fracture Group |  | Assoc |  | 
          
                                                                                        | Thad McCloud | NIST Center for Neutron Research - HQ | thad.mccloud [at] nist.gov | Ctr |  |