Mansie Iyer

Mansie Iyer, Ph.D.

Areas of Expertise:

Radiation and nuclear detection systems and physics


As a nuclear physicist, Mansie provides technical expertise to national nuclear forensics programs and supports outreach and training programs that combat nuclear terrorism. She leads teams that evaluate the performance and operational effectiveness of radiological and nuclear detection capabilities. 

Noblis Projects:

  • Senior Technical Advisor in nuclear forensics at the Global Initiative to Combat Nuclear Terrorism (GICNT)
  • Lead support to DHS Domestic Nuclear Detection Office (DNDO) Assessments Directorate
  • Lead SETA support to DNDO International Trafficking Assessment Program
  • DNDO Human Tripware Program

Doctorate Degree, Physics, Florida International University
Master’s Degree, Physics, Ohio University
Master’s Degree, Physics, Institute of Physics

Bachelor's Degree,  Physics, St. Xavier’s College 


Director’s Award for Excellence, Domestic Nuclear Detection Office, 2014 


“Nuclear Security Applications of Mobile Radiation Detection,” M. Iyer, C. Ward, L. Murphy and the ITRAP+10 Collaboration, Proceedings of the American Nuclear Society, 2013.

“Properties of the Dwarf Irregular Galaxy DDO 169,” M. G. Iyer and C. E. Simpson., 2006, Astronomical Journal, 132, 1035I.

“Neutral Hydrogen in Arp 158,” Mansie G. Iyer, Caroline E. Simpson, S.T. Gottesman, and B. K. Malphrus., 2004, Astronomical Journal, 128, 985I.

“Clues to the Formation and Evolution of Tidal Dwarf Galaxies,” M. G. Iyer, C. E. Simpson, S.T. Gottesman, and B. K. Malphrus; in Astrophysics and Space Science Journal special issue The Evolution of Galaxies – I. Observational Clues, Kluwer Academic Publishers, 2000.

M.G. Iyer, C. E. Simpson, S. T. Gottesman, J. R. Hargis, and B. K. Malphrus; in ASP Conference Series, 240, Gas and Galaxy Evolution, San Francisco, 2001.

“Arp 158: A Study of the HI,” M. G. Iyer, C. E. Simpson, S. T. Gottesman, and B. K. Malphrus; in Lecture Notes in Physics, Galaxies and Chaos: Theory and Observations, Springer-Verlag, 2002.

“DDO 210,” M. Iyer, C. Simpson, and D. Hunter; 2003, American Astronomical Society 203.115211

“Formation and Evolution of Tidal Dwarf Galaxies,” M. Iyer, C. E. Simpson, S. T. Gottesman, and B. K. Malphrus; Bulletin of the American Astronomical Society, 31, 1451, 1999.

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