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Physical Measurement Laboratory

Office of Weights and Measures

OWM Federal Staff

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Click on the photos below to view each individual's bio.

Katrice Lippa, Chief, OWM — Katrice Lippa, Chief

Elizabeth Benham, Leader, Metric (SI) Program — Elizabeth Benham, Leader, Metric (SI) Program

Yvonne Branden, Training and Web Coordinator, OWM HQ

Tina Butcher, Training Specialist, OWM HQ

Photo of OWM staff member Isabel Chavez Baucom — Isabel Chavez Baucom, Legal Metrology Publication Coordinator, OWM HQ

Katya Delak, Physical Scientist and Research Chemist, International Legal Metrology Program — Katya Delak, Leader, International Legal Metrology Program

Tobias Herman, Research Physicist, Laboratory Metrology Program

Staff Photo of Micheal Hicks — Micheal Hicks, Leader, Laboratory Metrology Program

Elizabeth Koncki — Elizabeth Koncki, Physical Scientist, Laboratory Metrology Program

Jan Konijnenburg — Jan Konijnenburg, Engineer, National Legal Metrology and International Legal Metrology Programs

Diane Lee, Physical Scientist, National Legal Metrology Program

Photo of OWM Staff Member John McGuire — John McGuire, Weights and Measures Coordinator, National Legal Metrology Program
Credit: John McGuire

Photo of OWM Staff Member Loren Minnich — Loren Minnich, Weights and Measures Coordinator, National Legal Metrology Program

Nicole Moore — Nicole Moore, Office Manager

Michael Nelson — Michael Nelson, Physical Scientist and Research Chemist, International Legal Metrology Program

Ralph Richter — Ralph Richter, Engineer, International Legal Metrology Program

David Sefcik — David Sefcik, Leader, National Legal Metrology Program

Michael Stocker, Physical Scientist, Laboratory Metrology and International Legal Metrology Programs — Michael Stocker, Physical Scientist, Laboratory Metrology and International Legal Metrology Programs

Female employee silhouette wearing suit — Juana Williams, Physical Scientist, National Legal Metrology Program

Metrology, Metric and Weights and measures

Created March 31, 2022, Updated January 28, 2025