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OWM Staff and Technical Experts Directory
Federal Staff | Associates & Interns | Organization Chart
NIST OWM is comprised of more than 30 experts that are weights and measures coordinators, physical scientists and engineers, national and international standards experts, training and administrative professionals, and legal, laboratory and scientific metrologists.
The following a list of staff contact information for any inquiries related to the various program areas listed below. Any general inquiries can be sent to owm [at] nist.gov (owm[at]nist[dot]gov).
Administration | Publications | Training and General Info
Metric (SI) | Laboratory Metrology | International Legal Metrology
Laws and Regulations | Measuring Systems | Weighing Systems
NCWM Committees | NCWM NTEP Sectors
| Type of Information | Contact | Phone | |
|---|---|---|---|
Office of Weights and Measures (OWM) | |||
| Katrice Lippa, Chief | 1-301-975-3116 | katrice.lippa [at] nist.gov (katrice[dot]lippa[at]nist[dot]gov) | |
| General Inquiries | owm [at] nist.gov (owm[at]nist[dot]gov) | ||
OWM Administration | |||
| Office Manager | Nicole Moore | 1-301-975-4004 | barbara.cohn [at] nist.gov (nicole[dot]moore[at]nist[dot]gov) |
| Legal Metrology Standards Coordinator | Isabel Chavez Baucom | 1-301-975-2128 | isabel.chavez.baucom [at] nist.gov (isabel[dot]chavez[dot]baucom[at]nist[dot]gov) |
| Training Coordinator | Yvonne Branden | 1-301-975-3272 | yvonne.branden [at] nist.gov (yvonne[dot]branden[at]nist[dot]gov) |
| OWM Web Administrator | Yvonne Branden | 1-301-975-3272 | yvonne.branden [at] nist.gov (yvonne[dot]branden[at]nist[dot]gov) |
| OWM Contacts System Administrator | Yvonne Branden | 1-301-975-3272 | yvonne.branden [at] nist.gov (yvonne[dot]branden[at]nist[dot]gov) |
| AV Productions Coordinator | Vacant | ||
NIST Publications | |||
| General Inquiries (NIST Handbook series, SP 2200 series, and other technical reports) | Isabel Chavez Baucom | 1-301-975-2128 | isabel.chavez.baucom [at] nist.gov (isabel[dot]chavez[dot]baucom[at]nist[dot]gov) |
| NIST Handbook 44, Specifications, Tolerances and Other Technical Requirements for Weighing and Measuring Devices | Juana Williams | 1-301-975-3989 | juana.williams [at] nist.gov (juana[dot]williams[at]nist[dot]gov) |
| Loren Minnich | 1-202-430-0435 | loren.minnich [at] nist.gov (loren[dot]minnich[at]nist[dot]gov) | |
| NIST Handbook 130, Uniform Laws and Regulations in the Areas of Legal Metrology and Fuel Quality | David Sefcik | 1-301-975-4868 | david.sefcik [at] nist.gov (david[dot]sefcik[at]nist[dot]gov) |
| John McGuire | 1-202-981-1750 | john.mcguire [at] nist.gov (john[dot]mcguire[at]nist[dot]gov) | |
| NIST Handbook 133, Checking the Net Contents of Packaged Goods | John McGuire | 1-202-981-1750 | john.mcguire [at] nist.gov (john[dot]mcguire[at]nist[dot]gov) |
| David Sefcik | 1-301-975-4868 | david.sefcik [at] nist.gov (david[dot]sefcik[at]nist[dot]gov) | |
| NIST Handbook 105 Series, Specifications & Tolerances for Field Standards | Micheal Hicks | 1-301-975-4615 | micheal.hicks [at] nist.gov (micheal[dot]hicks[at]nist[dot]gov) |
| NIST Handbook 143: State Weights and Measures Laboratories Program Handbook | Micheal Hicks | 1-301-975-4615 | micheal.hicks [at] nist.gov (micheal[dot]hicks[at]nist[dot]gov) |
| NIST SP 811: Guide for the Use of International System of Units (SI) | Elizabeth Benham | 1-301-975-3690 | elizabeth.benham [at] nist.gov (elizabeth[dot]benham[at]nist[dot]gov) |
| NIST SP 330: The International System of Units (SI) | Elizabeth Benham | 1-301-975-3690 | elizabeth.benham [at] nist.gov (elizabeth[dot]benham[at]nist[dot]gov) |
Training and General Information | |||
| General Technical Inquiries | owmtrain [at] nist.gov (owm[at]nist[dot]gov) | ||
| Metric System (SI) Training and Education Outreach | Elizabeth Benham | 1-301-975-3690 | elizabeth.benham [at] nist.gov (elizabeth[dot]benham[at]nist[dot]gov) |
| Laboratory Metrology | Elizabeth Koncki | 1-301-975-4859 | elizabeth.koncki [at] nist.gov (elizabeth[dot]koncki[at]nist[dot]gov) |
| Laws & Regulations, Price Verification, and Package Labeling | David Sefcik | 1-301-975-4868 | david.sefcik [at] nist.gov (david[dot]sefcik[at]nist[dot]gov) |
| John McGuire | 1-202-981-1750 | john.mcguire [at] nist.gov (john[dot]mcguire[at]nist[dot]gov) | |
| Calibration, Witnessing for Devices | Diane Lee | 1-301-975-4405 | diane.lee [at] nist.gov (diane[dot]lee[at]nist[dot]gov) |
| Weighing, Measuring, and Devices Training | Loren Minnich | 1-202-430-0435 | loren.minnich [at] nist.gov (loren[dot]minnich[at]nist[dot]gov) |
| Tina Butcher | 1-301-975-2196 | tina.butcher [at] nist.gov (tina[dot]butcher[at]nist[dot]gov) | |
Metric (SI) | |||
| Metric System (SI) Information | Elizabeth Benham | 1-301-975-3690 | elizabeth.benham [at] nist.gov (elizabeth[dot]benham[at]nist[dot]gov) |
| Federal Agency Metric Progress Reports | Elizabeth Benham | 1-301-975-3690 | elizabeth.benham [at] nist.gov (elizabeth[dot]benham[at]nist[dot]gov) |
| Unit Conversion | Elizabeth Benham | 1-301-975-3690 | elizabeth.benham [at] nist.gov (elizabeth[dot]benham[at]nist[dot]gov) |
| U.S. Metrication | Elizabeth Benham | 1-301-975-3690 | elizabeth.benham [at] nist.gov (elizabeth[dot]benham[at]nist[dot]gov) |
Laboratory Metrology | |||
| Laboratory Technical Assistance | Micheal Hicks | 1-301-975-4615 | micheal.hicks [at] nist.gov (micheal[dot]hicks[at]nist[dot]gov) |
| Elizabeth Koncki | 1-301-975-4859 | elizabeth.koncki [at] nist.gov (elizabeth[dot]koncki[at]nist[dot]gov) | |
| Calibration Procedures | Elizabeth Koncki | 1-301-975-4859 | elizabeth.koncki [at] nist.gov (elizabeth[dot]koncki[at]nist[dot]gov) |
| Measurement Traceability | Elizabeth Koncki | 1-301-975-4859 | elizabeth.koncki [at] nist.gov (elizabeth[dot]koncki[at]nist[dot]gov) |
| Proficiency Testing | Micheal Hicks | 1-301-975-4615 | micheal.hicks [at] nist.gov (micheal[dot]hicks[at]nist[dot]gov) |
| Quality Management Systems | Isabel Chavez Baucom | 1-301-975-2128 | isabel.chavez.baucom [at] nist.gov (isabel[dot]chavez[dot]baucom[at]nist[dot]gov) |
| State Lab Program and Recognition | Micheal Hicks | 1-301-975-4615 | micheal.hicks [at] nist.gov (micheal[dot]hicks[at]nist[dot]gov) |
| Measurement Uncertainties | Micheal Hicks | 1-301-975-4615 | micheal.hicks [at] nist.gov (micheal[dot]hicks[at]nist[dot]gov) |
International Legal Metrology | |||
| International Legal Metrology (OIML) | Chuck Ehrlich | 1-301-975-4834 | charles.ehrlich [at] nist.gov (charles[dot]ehrlich[at]nist[dot]gov) |
| Ralph Richter | 1-301-975-3997 | ralph.richter [at] nist.gov (ralph[dot]richter[at]nist[dot]gov) | |
| Jan Konijnenburg | 1-301-975-4002 | jan.konijnenburg [at] nist.gov (jan[dot]konijnenburg[at]nist[dot]gov) | |
| Katya Delak | 1-301-975-2520 | ralph.richter [at] nist.gov (katya[dot]delak[at]nist[dot]gov) | |
| Michael Nelson | 1-301-975-4100 | katya.delak [at] nist.gov (michael[dot]nelson[at]nist[dot]gov) | |
Laws and Regulations | |||
| e-Commerce | John McGuire | 1-202-981-1750 | john.mcguire [at] nist.gov (john[dot]mcguire[at]nist[dot]gov) |
| Packaging and Labeling, including OIML R79 & R87 | David Sefcik | 1-301-975-4868 | david.sefcik [at] nist.gov (david[dot]sefcik[at]nist[dot]gov) |
| John McGuire | 1-202-981-1750 | john.mcguire [at] nist.gov (john[dot]mcguire[at]nist[dot]gov) | |
Measuring Systems | |||
| Electric Vehicle Refueling | Katya Delak | 1-301-975-2520 | ralph.richter [at] nist.gov (katya[dot]delak[at]nist[dot]gov) |
| Juana Williams | 1-301-975-3989 | juana.williams [at] nist.gov (juana[dot]williams[at]nist[dot]gov) | |
| Michael Nelson | 1-301-975-4100 | juana.williams [at] nist.gov (michael[dot]nelson[at]nist[dot]gov) | |
| Electric Watthour Type Electric Meters | Juana Williams | 1-301-975-3989 | juana.williams [at] nist.gov (juana[dot]williams[at]nist[dot]gov) |
| Cryogenic Measuring Devices | Juana Williams | 1-301-975-3989 | juana.williams [at] nist.gov (juana[dot]williams[at]nist[dot]gov) |
| Hydrogen & Compressed Gases | Juana Williams | 1-301-975-3989 | juana.williams [at] nist.gov (juana[dot]williams[at]nist[dot]gov) |
| Retail Motor Fuel Dispensers (Gas Pumps) | Loren Minnich | 1-202-430-0435 | loren.minnich [at] nist.gov (loren[dot]minnich[at]nist[dot]gov) |
| Juana Williams | 1-301-975-3989 | juana.williams [at] nist.gov (juana[dot]williams[at]nist[dot]gov) | |
| Liquefied Petroleum Gas (LPG) Meters | John McGuire | 1-202-981-1750 | john.mcguire [at] nist.gov (john[dot]mcguire[at]nist[dot]gov) |
| Juana Williams | 1-301-975-3989 | juana.williams [at] nist.gov (juana[dot]williams[at]nist[dot]gov) | |
| Loading-Rack Meters | John McGuire | 1-202-981-1750 | john.mcguire [at] nist.gov (john[dot]mcguire[at]nist[dot]gov) |
| Diane Lee | 1-301-975-4405 | diane.lee [at] nist.gov (diane[dot]lee[at]nist[dot]gov) | |
| Juana Williams | 1-301-975-3989 | juana.williams [at] nist.gov (juana[dot]williams[at]nist[dot]gov) | |
| Vehicle-Tank Meters | Diane Lee | 1-301-975-4405 | diane.lee [at] nist.gov (diane[dot]lee[at]nist[dot]gov) |
| Juana Williams | 1-301-975-3989 | juana.williams [at] nist.gov (juana[dot]williams[at]nist[dot]gov) | |
| Field Reference Meters | Diane Lee | 1-301-975-4405 | diane.lee [at] nist.gov (diane[dot]lee[at]nist[dot]gov) |
| Jan Konijnenburg | 1-301-975-4002 | jan.konijnenburg [at] nist.gov (jan[dot]konijnenburg[at]nist[dot]gov) | |
| Grain Moisture, including OIML R59; Protein Analyzers, including OIML R146 | Diane Lee | 1-301-975-4405 | diane.lee [at] nist.gov (diane[dot]lee[at]nist[dot]gov) |
| Livestock Carcass Measuring Systems | Diane Lee | 1-301-975-4405 | diane.lee [at] nist.gov (diane[dot]lee[at]nist[dot]gov) |
| Multiple Dimension Measuring Devices (MDMD) | Loren Minnich | 1-202-430-0435 | loren.minnich [at] nist.gov (loren[dot]minnich[at]nist[dot]gov) |
| Software and Digitalization, including OIML D31 | Katya Delak | 1-301-975-2520 | ralph.richter [at] nist.gov (katya[dot]delak[at]nist[dot]gov) |
| Jan Konijnenburg | 1-301-975-4002 | jan.konijnenburg [at] nist.gov (jan[dot]konijnenburg[at]nist[dot]gov) | |
| Taximeters, Transportation Network Measuring Systems, and Odometers, including OIML R21 | Juana Williams | 1-301-975-3989 | juana.williams [at] nist.gov (juana[dot]williams[at]nist[dot]gov) |
Weighing Systems | |||
| Automatic Weighing Systems, including OIML R51 | Jan Konijnenburg | 1-301-975-4002 | jan.konijnenburg [at] nist.gov (jan[dot]konijnenburg[at]nist[dot]gov) |
| Loren Minnich | 1-202-430-0435 | loren.minnich [at] nist.gov (loren[dot]minnich[at]nist[dot]gov) | |
| Belt-Conveyer Scales, including OIML R50 | Jan Konijnenburg | 1-301-975-4002 | jan.konijnenburg [at] nist.gov (jan[dot]konijnenburg[at]nist[dot]gov) |
| Loren Minnich | 1-202-430-0435 | loren.minnich [at] nist.gov (loren[dot]minnich[at]nist[dot]gov) | |
| Hopper Scales, Auto Bulk Weighing | Loren Minnich | 1-202-430-0435 | loren.minnich [at] nist.gov (loren[dot]minnich[at]nist[dot]gov) |
| Vehicle In-Motion (VIM) Weighing, including OIML R134 | Jan Konijnenburg | 1-301-975-4002 | jan.konijnenburg [at] nist.gov (jan[dot]konijnenburg[at]nist[dot]gov) |
| Loren Minnich | 1-202-430-0435 | loren.minnich [at] nist.gov (loren[dot]minnich[at]nist[dot]gov) | |
| Non-Automatic Weighing Instruments (NAWIs), including OIML R76 | Jan Konijnenburg | 1-301-975-4002 | jan.konijnenburg [at] nist.gov (jan[dot]konijnenburg[at]nist[dot]gov) |
| Railway Track Scales, including OIML R106 | Jan Konijnenburg | 1-301-975-4002 | jan.konijnenburg [at] nist.gov (jan[dot]konijnenburg[at]nist[dot]gov) |
| Uncertainties - Balances and Scales | Micheal Hicks | 1-301-975-4615 | micheal.hicks [at] nist.gov (micheal[dot]hicks[at]nist[dot]gov) |
National Conference on Weights and Measures (NCWM) Committees | |||
| Executive Secretary/Board of Directors (BOD) | Katrice Lippa | 1-301-975-3116 | katrice.lippa [at] nist.gov (katrice[dot]lippa[at]nist[dot]gov) |
| Specifications & Tolerances (S&T) Committee | Loren Minnich | 1-202-430-0435 | loren.minnich [at] nist.gov (loren[dot]minnich[at]nist[dot]gov) |
| Juana Williams | 1-301-975-3989 | juana.williams [at] nist.gov (juana[dot]williams[at]nist[dot]gov) | |
| Laws & Regulations (L&R) Committee | John McGuire | 1-202-981-1750 | john.mcguire [at] nist.gov (john[dot]mcguire[at]nist[dot]gov) |
| David Sefcik | 1-301-975-4868 | lisa.warfield [at] nist.gov (david[dot]sefcik[at]nist[dot]gov) | |
| Professional Development Committee (PDC) | Tina Butcher | 1-301-975-2196 | tina.butcher [at] nist.gov (tina[dot]butcher[at]nist[dot]gov) |
NCWM National Type Evaluation Program (NTEP) Sectors | |||
| NTEP Software Sector | Jan Konijnenburg | 1-301-975-4002 | jan.konijnenburg [at] nist.gov (jan[dot]konijnenburg[at]nist[dot]gov) |
| NTEP Grain Analyzers Sector | Diane Lee | 1-301-975-4405 | diane.lee [at] nist.gov (diane[dot]lee[at]nist[dot]gov) |
| NTEP Measuring Sector | Diane Lee | 1-301-975-4405 | diane.lee [at] nist.gov (diane[dot]lee[at]nist[dot]gov) |
| NTEP Belt Conveyer/Weighing Sector | Jan Konijnenburg | 1-301-975-4002 | jan.konijnenburg [at] nist.gov (jan[dot]konijnenburg[at]nist[dot]gov) |
| NTEP Multiple Weighing Dimension Measuring Device | Loren Minnich | 1-202-430-0435 | loren.minnich [at] nist.gov (loren[dot]minnich[at]nist[dot]gov) |
| NTEP EVSE Workgroup | Juana Williams | 1-301-975-3989 | juana.williams [at] nist.gov (juana[dot]williams[at]nist[dot]gov) |
Created March 10, 2023, Updated May 15, 2024