- S. Woo, H. Boo, S. Chirayath, K. Jeong, M. Fuhrmann, "Investigations on Detecting Potential Nuclear Material Diversion from a Pyroprocessing Facility", presented at Pacific Northwest National Laboratory, Richland, Washington, 1-2 May 2018.
- S. Chirayath, "Panel on Challenges for Human Resource Development", The International Forum on Peaceful Uses of Nuclear Energy, Nuclear Nonproliferation and Nuclear Security: Strengthening Nuclear Terrorism Countermeasures and Human Resource Development towards the Tokyo 2020 Olympic and Paralympic Games, Tokyo, Japan, December 7, 2017.
- S. Woo, "Can Pyroprocessing Reduce Proliferation Risk of a Closed Nuclear Fuel Cycle", Stanton Nuclear Security Seminar, Washington, D.C., U.S.A, 18-20 October 2017.
- S. Chirayath, "Small Modular Reactor Deployment: Current Status of Reactor Designs, NRC Licensing and Economics", Invited Lecture to the IAEA-Country Delegation hosted by TEES-Nuclear Power Institute, October 11 2017.
- T. Aoki, H. Sagara, S.S. Chirayath, "Feasibility Study of TRISO Fuel for Efficient Pu Incineration and 3S Feature Enhancement Requirements for Measurement Accuracy of the Pu Verification Technique", ” 38th Annual Meeting of the Institute of Nuclear Materials Management Japanese Chapter, Japan, October, 2017.
- S. Chirayath, "Nuclear Security Education, Research and Training at Texas A&M University", Invited Speaker at the Workshop on Industry View to Nuclear Security/Nuclear Fuel and Radioactive Waste Management”, May 9-11, 2017, Bucharest, Romania.
- S. Chirayath, "Nuclear Security Education and Training in Texas A&M University", The 7th International Symposium and Seminar on Global Nuclear Human Resource Development for Safety, Security and Safeguards, August 28 – September 1, 2017. Tokyo, Japan.
- S. Chirayath, "Target Identification in Nuclear Facilities and Insider Threat Challenges", Invited Speaker at Pandit Deendayal Petroleum University, Gandhinagar, India, 31 May 2017.
- Jonathan D. Burns, Bruce A. Moyer, "Co-Crystallization of AnO22+ with UO2(NO3)2•6H2O: Next Steps", Sigma Team for Advanced Actinide Recycle Research Meeting, Argonne National Laboratory, Lemont, IL, May 24, 2017.
- S. Chirayath, "Small Modular Reactor Deployment: Current Status of Reactor Designs, NRC Licensing and Economics", Invited Lecture to the IAEA-Kenyan Delegation hosted by TEES-Nuclear Power Institute, May 22 2017.
- J. D. Burns, B. A. Moyer, "Actinyl Group Precipitation", Materials Recovery & Waste Forms Development Campaign Working Group Meeting, Albuquerque, NM, United States, 28-30 March 2017.
- Y. Aoki, H. Sagara, and S.S. Chirayath, "Impact of Curium Decontamination on MUF and MUF-uncertainty in TRU Fuel Cycle Employing High Temperature Gas Cooled Reactors", 38th 2017 Annual Meeting of the Atomic Energy Society of Japan, Tokai University Campus, Japan, March 27-29, 2017.
- B. Moyer, J.D. Burns, "Actinyl Co-Crystallization", DOE-JAEA Bilateral Advanced Separations Working Group Meeting, Idaho National Laboratory, Idaho Falls, ID, 22-24 March 2017.
- S.S. Chirayath, C.M. Marianno, K.H. Ragusa, K.L. Peddicord, "Preparing the Next Generation of Nuclear Security Professionals—The Technology/Policy Nexus", International Conference on Nuclear Security: Commitments and Actions, Vienna, Austria, 5–9 December 2016.
- E. Kitcher, "Introduction to Small Modular Reactors", Invited lecture to the IAEA Group Fellowship Training hosted by the Nuclear Power Institute, College Station, TX, 13 October 2016.
- S.S. Chirayath, C.M. Marianno, C.A. Gariazzo, K.H. Ragusa, "Ten years of Nuclear Security Education, Research and Training at Texas A&M University", ANS Topical Meeting: Advances in Nuclear Nonproliferation Technology and Policy Conference (ANTPC), Santa Fe, NM, USA, 25-30 September 2016.
- T.W Jacomb-Hood, C. M. Marianno, B. A. Van Devender, J. E. Fast, "Ultra-high Rate Gamma Spectroscopy for Post-detonation Nuclear Forensics", National Technical Nuclear Forensics Center Annual Academic-Laboratory Collaboration and Technical Advancement Program Review. Los Alamos, NM. August 1st-4th, 2016.
- J.M. Osborn, S.S. Chirayath, "Assessment of Inverse Techniques Used in Forensics Attribution Analysis of Trace Nuclide Ratios in Weapons-Grade Plutonium", 9th Annual DNDO Academic Research Initiative (ARI) Grantees Review Meeting, Atlanta, GA, USA, July 11-14, 2016.
- J.D. Burns, B.A. Moyer, "Co-Crystallization of AnO22+ with UO2(NO3)2•6H2O: What’s Next", Sigma Team for Advanced Actinide Recycle Research Meeting, San Diego, CA, 25 May 2016.
- L. Dromgoole, C.M. Marianno, J. Poston, "Preliminary Dose Assessment for Emergency Response Exercise Using Unsealed Contamination", 2016 South Texas Chapter of the Health Physics Society (STC-HPS) Student Presentation and Annual Business Meeting, Bryan, Texas, 16 April 2016.
- J. Trevino and C.M. Marianno, "Dosimetry for Search and Rescue dogs in Contaminated Environments", 2016 South Texas Chapter of the Health Physics Society (STC-HPS) Student Presentation and Annual Business Meeting, Bryan, Texas, 16 April 2016.
- T.W. Jacomb-Hood, C.M. Marianno, J.E. Fast, B.A. Van Devender, "An Overview of the Ultra-high Rate Germanium Detector", 2016 South Texas Chapter of the Health Physics Society (STC-HPS) Student Presentation and Annual Business Meeting, Bryan, Texas, 16 April 2016.
- J.D. Burns, B.A. Moyer, "Actinyl group precipitation", Materials Recovery & Waste Forms Development Campaign Working Group Meeting, Richland, WA, United States, 22-24 March 2016.
- S. Chirayath, "Nuclear Security Education at Texas A&M University", 5th International Symposium and Seminar on Global Nuclear Human Resource Development for Safety, Security, and Safeguards, 21 February – 3 March, 2016, Tokyo, Japan. (Invited)
- R. MacNamee, "The 5W’s of Terrorism", 5th International Symposium and Seminar on Global Nuclear Human Resource Development for Safety, Security, and Safeguards, 21 February – 3 March, 2016, Tokyo, Japan.
- C.M. Marianno, C. Arnett, "TAMU Texas Engineering Extension Service at the Disaster City & The Emergency Operations Training Center", 5th International Symposium and Seminar on Global Nuclear Human Resource Development for Safety, Security, and Safeguards, 21 February – 3 March, 2016, Tokyo, Japan.
- S.S. Chirayath, C.M. Folden, III, and D.R. Boyle, "Nuclear forensics analysis of separated plutonium of foreign fuel cycles (NFASP) project: assessment of unique trace elements and isotope ratios in separated plutonium from low burnup nuclear fuel", 8th DNDO-ARI Grantees Conference, University of Texas, Dallas, TX, USA, July 7-9, (2015).
- J.M. Osborn et al., "Trace fission product ratios for nuclear forensics attribution of weapons-grade plutonium separate from fuel irradiated in thermal and fast reactor types", 8th Annual DNDO Academic Research Initiative (ARI) Grantees Review Meeting, Dallas, TX, USA, July 7-9, 2015.
- M.W. Swinney et al., "Experimental and computational assessment of nuclide ratios in weapons-grade plutonium produced in a fast neutron environment for nuclear forensics analysis", 8th Annual DNDO Academic Research Initiative (ARI) Grantees Review Meeting, Dallas, TX, USA, July 7-9, 2015.
- S. Chirayath, "Safeguards Issues and Recommendations for a Fast Reactor Fuel Cycle", 18th Annual Meeting of the Korea chapter of the Institute of Nuclear Materials Management (INMM), Daejeon, South Korea, November 13, 2014 (invited).
- S.S. Chirayath, R.A. Elmore, W.S. Charlton, "Containment and Surveillance and Physical Protection Updates for Proliferation Resistance Analysis Using PRAETOR", IAEA Symposium on International Safeguards, Vienna, Austria, October 20-24, 2014.
- M.W. Swinney and S.S. Chirayath, "Comparison of FBR and HFIR monte-carlo simulations with validation from gamma spectroscopy in support of the the NFASP project", 7th Annual NSF-DNDO Academic Research Initiative (ARI) Grantees Review Meeting, Leesburg, VA, USA, June 24-26, 2014.
- J.M. Osborn et al., "Trace fission product ratios for nuclear forensics attribution of weapons-grade plutonium separate from fuel irradiated in thermal and fast reactor types", 7th Annual NSF-DNDO Academic Research Initiative (ARI) Grantees Review Meeting, Leesburg, VA, USA, June 24-26, 2014.
- S.S. Chirayath, "Nuclear forensics analysis of separated plutonium of foreign fuel cycles (NFASP) project: assessment of unique trace elements and isotope ratios in separated plutonium from low burnup nuclear fuel", 7th Annual NSF-DNDO Academic Research Initiative (ARI) Grantees Review Meeting, Leesburg, VA, USA, June 24-26, 2014.
- S.S. Chirayath, D.R. Boyle, C.M. Folden III, "Experimental and Computational Assessment of Unique Trace Elements and Isotopes Ratios in Plutonium from Depleted Uranium Irradiated in Fast Reactor Blankets", 7th DNDO-ARI Grantees Conference, Leesburg, VA, USA, June 2014.
- J.F. Trevino, C.M. Marianno, J. Poston, "Dose Reconstruction and Estimation to Search and Rescue Dogs Following an RDD Explosion", South Texas Chapter of the Health Physics Society Annual Meeting, College Station, Tx, March, 2014
- J. Erchinger, C. Marianno, and A. Herring, "Development of a Specialized Radiation Portal Monitor for Livestock Screening", 2014 STC-HPS Student Presentations and Annual Business Screening Meeting, College Station, Texas, 29 March 2014.
- M.D. Shah, C. Marianno, and S. Khatri, "Integrated Circuits Replacing PMTs", 2014 STC-HPS Student Presentations and Annual Business Screening Meeting, College Station, Texas, 29 March 2014.
- J.M. Osborn et al., "Isotopic analysis of fast breeder reactor core to support the plutonium fingerprinting for forensics (PuFF) project", 6th Annual NSF-DNDO Academic Research Initiative (ARI) Grantees Review Meeting, Lansdowne, VA, USA, July 30-31 & August 1, 2013.
- S.S. Chirayath et al., "Plutonium fingerprinting for forensics (PuFF) project: assessment of unique trace elements and isotope ratios in separate plutonium from low burnup nuclear fuel", 6th Annual NSF-DNDO Academic Research Initiative (ARI) Grantees Review Meeting, Lansdowne, VA, USA, July 30-31 & August 1, 2013.
- J.M. Osborn, T.M. Coles, AR. Twaddle, and S.S. Chirayath, "Neutronics Analysis of Fast Breeder Reactor Core to Support the Plutonium Fingerprinting for Forensics (PuFF) Project", 5th Annual DNDO-NSF ARI Grantees Conference, Leesburg, Virginia, 23-25 July 2012.
- P. Beeley, B.K. Kim, A. Williams, F. Ghanbari, A. Mohagheghi, D. Boyle, and M. Schuller, "A 3S Framework for Development of the Gulf Nuclear Energy Infrastructure Institute (GNEII)", Technical Workshop on Topical Issues on Infrastructure Development: Managing the Development of a National Infrastructure for Nuclear Power Plants Vienna, Austria, 24-27 January 2012
- G.M. Gaukler, "“Science of Better” podcast on nuclear smuggling interdiction", INFORMS, http://www.scienceofbetter.org/podcast/gaukler.html, November 2011.
- W. S. Charlton, W. Bangerth, D. R. Boyle, S. S. Chirayath, G. Gaukler, C. Marianno, A. Vedlitz, "SHIELD: A Framework for Evaluating and Guiding Nuclear Detection System Development", The 4th annual Domestic Nuclear Detection Office (DNDO) Academic Research Initiative (ARI) Grantees Conference, Alexandria, Virginia, April 26-28, 2011.
- P. Kuchment, "Detecting Small Low Emission Sources on a Large Random Background: Inverse Problems", Seminar Presentation: February 2, 2011.
- G. Kanschat, "Discontinuous Galerkin Methods for Diffusion-Dominated Radiative Transfer Problems", Presentation at Advances in Numerical Analysis & Scientific Computing, University of Houston, 2011.
- G.M. Gaukler, "A Framework for Modeling the Detection of Smuggled Nuclear Materials", Presentation at the Graduate School of Business and Public Policy, Naval Postgraduate School, Monterey, CA, Jan 10, 2011.
- P. Kuchment, "Detection of small low emission sources on a large random background", Inverse Transport Theory and Tomography Workshop, Banff, Canada, 16–21 May, 2010.
- P. Nelson, "Indo-US Civil Nuclear Energy: Building Mutual Confidence Through Research-Exchange Internships", presented to Third Meeting of the Indo-US Civil Nuclear Energy Working Group, Mumbai, India, February 3, 2010.
- S. Chirayath et al, "Multi-Attribute Utility Analysis for Proliferation Resistance Assessment", presentation at the INMM Workshop on Proliferation Assessments, Texas A&M University, College Station, February, 23-25, 2010.
- G.M. Gaukler, "Detecting Nuclear Materials Smuggling: Using Radiography to Improve Container Inspection Policies", Parsons Seminar Series, Texas A&M University, September 21, 2009.
- Y. Ding, "Modeling Framework for Detecting HEU in Seaborne Containers", Presented at the University of Southern California, on February 19, 2009.
- Y. Ding, "Modeling Framework for Detecting HEU in Seaborne Containers", Presented at the University of Texas at Austin, on February 13, 2009.
- G.M. Gaukler, "A Framework for Developing Novel Detection Systems Focused on Interdicting Shielded HEU", DIMACS Workshop on Nuclear Detection Issues, Rutgers University, November 19, 2008.
- G.M. Gaukler, "Modeling Framework for Detecting HEU in Seaborne Containers", DIMACS Workshop on Port Security, Rutgers University, November 17, 2008.