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Our People
Meet our team of dedicated public safety communications researchers. At PSCR, our mission-driven team is equipped with a wide range of skills and backgrounds that help pull the future forward. Click the links below to view more information about each staff member.
Leadership
(303) 497-5400
(303) 497-5151
dereck.orr [at] nist.gov (dereck[dot]orr[at]nist[dot]gov)
ellen.ryan [at] nist.gov (ellen[dot]ryan[at]nist[dot]gov)
Administrative Support
Melissa Johnson - Acting Administrative Officer (On Detail)
(720) 955-4890
melissa.m.johnson [at] nist.gov (melissa[dot]m[dot]johnson[at]nist[dot]gov)
(303) 497-3859
susana.echevarria [at] nist.gov (susana[dot]echevarria[at]nist[dot]gov)
Program Management
Danni Leicht - Resource Planning Lead
(720) 563-9356
danni.leicht [at] nist.gov (danni[dot]leicht[at]nist[dot]gov)
(240) 751-5668
brianna.huettel [at] nist.gov (brianna[dot]huettel[at]nist[dot]gov)
monika.bochert [at] nist.gov (monika[dot]bochert[at]nist[dot]gov)
kerianne.gibney [at] nist.gov (kerianne[dot]gibney[at]nist[dot]gov)
sidney.bittman [at] nist.gov (sidney[dot]bittman[at]nist[dot]gov)
Lab Operations / Network Operations Group
John Beltz - Group Leader and Security Officer
(303) 229-9112
john.beltz [at] nist.gov (john[dot]beltz[at]nist[dot]gov)
(303) 594-8503
(303) 229-9757
(720) 437-0777
donald.harriss [at] nist.gov (donald[dot]harriss[at]nist[dot]gov)
samuel.ray [at] nist.gov (samuel[dot]ray[at]nist[dot]gov)
hien.nguyen [at] nist.gov (hien[dot]nguyen[at]nist[dot]gov)
Advanced Communications Research Group (ACRG)
ACRG: User Interface/User Experience
Scott Ledgerwood - Portfolio Lead and Security Specialist
(303) 497-5354
scott.ledgerwood [at] nist.gov (scott[dot]ledgerwood[at]nist[dot]gov)
(303) 497-6046
(303) 497-5354
jeffrey.karhoff [at] nist.gov (jeffrey[dot]karhoff[at]nist[dot]gov)
julia.chelen [at] nist.gov (julia[dot]chelen[at]nist[dot]gov)
qi.zhu [at] nist.gov (qi[dot]zhu[at]nist[dot]gov)
ACRG: Mission Critical Voice
ACRG: Uncrewed Aircraft Systems
Terese Manley - Portfolio Lead
(303) 549-7414
terese.manley [at] nist.gov (terese[dot]manley[at]nist[dot]gov)
Don Harriss - UAS Technical Lead
(303) 594-8503
donald.harriss [at] nist.gov (donald[dot]harriss[at]nist[dot]gov)
ACRG: Location-Based Services
Joe Grasso - Portfolio Lead
(720) 281-1608
(301) 975-3767
joseph.grasso [at] nist.gov (joseph[dot]grasso[at]nist[dot]gov)
nader.moayeri [at] nist.gov (nader[dot]moayeri[at]nist[dot]gov)