| Kevin McClung | Operations and Maintenance (Gaithersburg) Group | kevin.mcclung [at] nist.gov | Fed |  | 
          
                                                                                        | Cathy McClure | Research Security and Safeguarding Science - HQ |  | Fed |  | 
          
                                                                                        | Tristan McClure-Begley | Associate Director for Management Resources - HQ |  | Fed |  | 
          
                                                                                        | Chad McCollum | Fire and Facilities Safety Group | chad.mccollum [at] nist.gov | Fed |  | 
          
                                                                                        | Dave McColskey | Fatigue and Fracture Group | j.mccolskey [at] nist.gov | Assoc |  | 
          
                                                                                        | Robert McCormick | Networking Group |  | Ctr |  | 
          
                                                                                        | Raymond McCormick III | Operations Engineering Group |  | Ctr |  | 
          
                                                                                        | Austin McCoy | Fire Protection Group | austin.mccoy [at] nist.gov | Fed |  | 
          
                                                                                        | Yolanda McCray | Acquisition Policy and Reimbursable Agreements | yolanda.mccray [at] nist.gov | Fed |  | 
          
                                                                                        | Patrick McCue | Technology Partnerships Office - HQ | patrick.mccue [at] nist.gov | Fed | Wireless (RF), Cell measurements, Genomics, Biopharmaceuticals, Food and nutrition | 
          
                                                                                        | Brendan McCullian | Nanoscale Spectroscopy Group | brendan.mccullian [at] nist.gov | Fed |  | 
          
                                                                                        | Jennifer McDaniel | Biomarker and Genomic Sciences Group | jennifer.mcdaniel [at] nist.gov | Fed | Bioscience, Biological data, Biosecurity, Genomic cybersecurity, Genomics | 
          
                                                                                        | Austin McDannald | Data and AI-Driven Materials Science Group | austin.mcdannald [at] nist.gov | Fed |  | 
          
                                                                                        | Matt McDermott | Accounts Payable Group | matt.mcdermott [at] nist.gov | Fed |  | 
          
                                                                                        | Randall J. McDermott | Engineered Fire Safety Group | randall.mcdermott [at] nist.gov | Fed |  | 
          
                                                                                        | Nicholas McDill | Operations Engineering Group |  | Ctr |  | 
          
                                                                                        | John McDonald | Emergency Services - HQ |  | Ctr |  | 
          
                                                                                        | Scott McDonald | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Matthew McDonald | Strategy, Technology & Policy – HQ | matthew.mcdonald [at] chips.gov | Assoc |  | 
          
                                                                                        | Tate McDonald | Electromagnetic Fields Group | tate.mcdonald [at] nist.gov | Assoc |  | 
          
                                                                                        | Amanda McDonald | National Voluntary Laboratory Accreditation Program (NVLAP) | amanda.mcdonald [at] nist.gov | Fed |  | 
          
                                                                                        | Darrell McDonald | Emergency Services - HQ |  | Ctr |  | 
          
                                                                                        | Kimberly A. McDonough | Workforce Programs – HQ | kimberly.mcdonough [at] nist.gov | Fed |  | 
          
                                                                                        | Walter G. McDonough | Materials Science and Engineering Division - HQ | walter.mcdonough [at] nist.gov | Assoc |  | 
          
                                                                                        | Kristen McDuffie | NIST Center for Neutron Research - HQ | kristen.mcduffie [at] nist.gov | Ctr |  | 
          
                                                                                        | Timothy McEntee | Emergency Services - HQ |  | Ctr |  | 
          
                                                                                        | Elyse McEntee Wei | Guided Wave Electromagnetics Group | elyse.mcenteewei [at] nist.gov | Assoc |  | 
          
                                                                                        | Anthony McFadden | Advanced Microwave Photonics Group | anthony.mcfadden [at] nist.gov | Fed |  | 
          
                                                                                        | Corey McFarland | Operations Engineering Group |  | Ctr |  | 
          
                                                                                        | Brian McGann | Building Management (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Jeremiah McGee | National Cybersecurity Center of Excellence | jeremiah.mcgee [at] nist.gov | Ctr |  | 
          
                                                                                        | William McGehee | Atomic Devices & Instrumentation Group | william.mcgehee [at] nist.gov | Fed | Atomic / molecular / quantum, Optical physics and communications, Spectroscopy, Time and frequency | 
          
                                                                                        | Francis McGill | Safety and Health Group | francis.mcgill [at] nist.gov | Ctr |  | 
          
                                                                                        | Duncan McGillivray | Applied Systems Metrology Group | duncan.a.mcgillivray [at] nist.gov | Fed |  | 
          
                                                                                        | Christine McGinn | Nanoscale Spectroscopy Group | christine.mcginn [at] nist.gov | Assoc |  | 
          
                                                                                        | James McGinnis | Networking Group |  | Ctr |  | 
          
                                                                                        | Sean McGinnis | Security Test, Validation and Measurement Group | sean.mcginnis [at] nist.gov | Ctr |  | 
          
                                                                                        | William Sean McGivern | Chemical Process and Nuclear Measurements Group | sean.mcgivern [at] nist.gov | Fed |  | 
          
                                                                                        | Michael McGowan | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | Kevin B. McGrattan | Engineered Fire Safety Group | kevin.mcgrattan [at] nist.gov | Fed |  | 
          
                                                                                        | Carly McGregor | Strategy, Technology & Policy – HQ | carly.mcgregor [at] chips.gov | Assoc |  | 
          
                                                                                        | Ryan McGuffin | Facilities Improvement (Gaithersburg) Group |  | Ctr |  | 
          
                                                                                        | John McGuire | Office of Weights and Measures | john.t.mcguire [at] nist.gov | Fed |  | 
          
                                                                                        | Robin McHale | Applied Chemicals and Materials Division - HQ | robin.mchale [at] nist.gov | Fed |  | 
          
                                                                                        | Maureen McHattie | Logistics Group |  | Ctr |  | 
          
                                                                                        | Jeffrey J. McIntyre | Security Implementation & Incident Response Group | jeffrey.mcintyre [at] nist.gov | Fed |  | 
          
                                                                                        | Richard McKay | Business Systems Group | rich.mckay [at] nist.gov | Fed |  | 
          
                                                                                        | Kerry McKay | Cryptographic Technology Group | kerry.mckay [at] nist.gov | Fed |  | 
          
                                                                                        | Lynelle McKay | CHIPS Program Headquarters - HQ | lynelle.mckay [at] chips.gov | Fed |  | 
          
                                                                                        | Richard McKelvey | Facilities Improvement (Gaithersburg) Group |  | Ctr |  |