• October 2019: Institute for Geophysics, UT Austin – “Physical Constraints on the Oceanic Plate From Seismic Tomography and Thermodynamics
  • February 2019: Space Exploration Educators Conference – “Taking Mars Vital Signs
  • December 2017: AGU Fall Meeting – “Uncertainties in upper mantle and transition zone azimuthal anisotropy and consequences for mantle dynamics
  • July 2017: COMPRES Annual Meeting, Albuquerque, New Mexico – “Seismological Constraints on Mantle Transition Zone Anisotropy
  • October 2016: Southwest Oregon Community College – “From Plate Tectonics to Deep Earth Dynamics: A Seismological Journey Inside the Earth
  • August 2016: Oregon Museum of Science and Industry – “From Plate Tectonics to Deep Earth Dynamics: A Seismological Journey Inside the Earth
  • July 2016: CIDER 2016 Summer Program – “Inferences on transition zone anisotropy from higher mode surface waves
  • January 2016: Rutgers Geology Museum Open House -“From Plate Tectonics to Deep Earth Dynamics: A Seismological Journey Inside the Earth
  • December 2014: AGU Fall Meeting – “Constraints on the Thermal and Compositional Nature of the Oceanic Lithosphere-Asthenosphere Boundary from Seismic Anisotropy”
  • March 2014: Carnegie Institution for Science, Department of Terrestrial Magnetism – “New Constraints on Mantle Dynamics and Oceanic Plate Formation From Seismic Anisotropy
  • February 2014: Princeton University, Department of Geosciences – “New Constraints on Mantle Dynamics and Oceanic Plate Formation From Seismic Anisotropy
  • February 2014: IRIS Webinar – “New Constraints on the Nature of the Gutenberg Discontinuity From Anisotropic Seismic Tomography
  • January 2014: University of Copenhagen, Niels Bohr Institute – “New Views on Earth’s Interior From Seismic Tomography
  • December 2013: AGU Fall Meeting session DI31 – “Investigating the Origin of the Gutenberg Discontinuity With Anisotropic Seismic Tomography
  • December 2013: AGU Fall Meeting session DI22 -“Changes in seismic anisotropy across the transition zone boundaries
  • May 2013: 1st Southern California Deep Earth Dynamics Symposium – “Seismic Anisotropy Changes Across Upper Mantle Phase Transitions
  • May 2012: University of Edinburgh, School of Geosciences – “New Views of Core and Mantle Fabrics From Seismic Tomography
  • May 2012: University of Liverpool, School of Environmental Sciences – “New Views of Core and Mantle Fabrics From Seismic Tomography”
  • April 2012: Caltech Seismo Lab Seminar – “Global Mantle Seismic Anisotropy and Consequences for Mantle Deformation and Earth’s Deep Water Cycle
  • February 2012: University of Illinois Urbana-Champaign, Department of Geology – “Improving Constraints on Mantle Deformation Through Seismic Tomography: A Probabilistic Approach to Modeling Seismic Anisotropy
  • November 2010: Scripps Institution of Oceanography, Earth Sciences Seminar Series – “Seismological Detection of Anisotropy in the Mantle (and Consequences for Mantle Circulation)”
  • November 2010: Structural Seismology Seminar Guest Lecturer, University of Southern California- “Earth’s Free Oscillations
  • July 2010: 12th Symposium of SEDI, Study of the Earth’s Deep Interior, Santa Barbara, CA – “Constraining Global Transition Zone Anisotropy
  • May 2010: IGPP Seminar, UCLA – “Probing Earth’s Dynamic Interior With Free Oscillations and Other Long Period Seismic Data
  • March 2010: Earthscope Transportable Array Working Group webinar – “Great Basin Azimuthal Anisotropy
  • December 2009: AGU Fall Meeting session DI07 (Seismic Anisotropy and Geodynamics) – “Constraining Upper Mantle Azimuthal Anisotropy With Free Oscillation Data
  • September 2009: University of Leeds (UK), School of Earth and Environment -“Seismic Anisotropy From the Core to the Crust
  • February 2009: UCLA Seismology Seminar – “Past and Present Deformation in the Great Basin Revealed by Rayleigh Wave Azimuthally Anisotropic Phase Velocity Maps
  • October 2008: Berkeley Seismological laboratory – “Seismic Anisotropy in the Nevada Great Basin: Evidence for Lithospheric Delamination?
  • April 2008: UCLA Earth and Space Science Department – “Upper Mantle Seismic Anisotropy: A Statistical Approach
  • March 2008: Caltech Seismological laboratory – “Effect of Seismic Anisotropy on the Coupling of the Earth’s Normal Modes
  • November 2007: University of Texas at Austin, Department of Geological Sciences -“A model space search approach to mantle seismic anisotropy
  • November 2007: University of Texas at Austin, Institute for Geophysics – “A seismological trip to the inner core
  • November 2007: University of Northern Arizona, Department of Geology – “A seismological trip to the inner core
  • March 2007: UCLA Earth and Space Science Department – “No Rock Hammer Required: A seismological trip to the inner core
  • March 2007: UCLA Seismology Seminar – “Upper Mantle Seismic Anisotropy at the Global and regional Scale”
  • October 2006: University of Southern California, Earth Sciences Department – “Global Models of Anisotropy: To Scale or not to Scale
  • October 2006: University of Southern California, Earth Sciences Department – “Looking Inside the Earth With (Un)Certainty
  • April 2006: Université du Québec à Montréal, Earth Sciences Department – “Seismic Tomography Uncertainties: What do Seismic Data Really Tell us About the Earth?”
  • November 2005: Pennsylvania State University, Department of Geosciences Colloquium – “Seismic Tomography Uncertainties: Seismic Anisotropy at the Global and Regional Scales
  • August 2005: University of Leeds (UK), School of Earth and Environment – “Seismic Tomography Uncertainties: Seismic Anisotropy at the Global and Regional Scales”
  • May 2005: Boise State University, Department of geosciences – “Uncertainties in Tomographic Models: Examples From the Core, Mantle, and the Crust
  • February 2005: University of Michigan, Department of Geological Sciences – “Uncertainties in Tomographic Models: Not Quite a Field Trip to the Core and Mantle”
  • June 2004: Summer School at the Colorado School of Mines on Mathematical Geophysics and Uncertainty in Earth Models – “A Model Space Search Approach to Global Tomography
  • May 2004: Caltech Seismological Laboratory – “Probabilistic Tomography and Radial Anisotropy in the Mantle
  • April 2004: Princeton University, Department of Geosciences Brownbag Seminar – “Probabilistic tomography for inner core and mantle anisotropy”’
  • May 2003: Oxford University Department of Earth Sciences – “Constraining Inner Core and Upper Mantle Anisotropy With a Model Space Search”
  • May 2003: Utrecht University, Integrated Geodynamic Seminar -“Seismological Constraints on Inner Core Anisotropy”
  • December 2002: Yale University, Department of Geology and Geophysics -“Normal Mode Seismology Using a Full Model Space Search: Application to Mantle Tomography and Inner Core Anisotropy