2020 August 3-14. ASPECT Hackathon. Virtual 2020 January 21-23. ASPECT User Meeting. Virtual 2019 May 21 - June 1. ASPECT Hackathon, Heber City, Utah 2018 June 18-28. ASPECT Hackathon, Petaluma, CA. 2018 June 10-14. 2018 CIG Mantle Convection and Lithosphere Dynamics Workshop joint with CGU , Niagara Falls, Canada 2017 August 27-31. Nethermod 2017 May 6-17 ASPECT Hackathon, Blue Ridge, Georgia. 2016 June 24 - July 2. ASPECT Hackathon, UC Davis. 2016 June 23. ASPECT Tutorial, UC Davis. 2015 August 31-September 5. 14th International Workshop on Modeling of Mantle and Lithosphere Dynamics, Olérons, France. 2015 May 19-30. ASPECT Hackathon, Bodega, California. 2014 May 14-23. ASPECT Hackathon, College Station, Texas. 2014 May 4-8. CIG Mantle and Lithospheric Dynamics Workshop, Joint with the Canadian Geophysical Union 2014, Banff Canada. 2013 September 16-17. Implementing Solvers in CitcomCU and CitcomS Workshop, University of California, Davis. 2012 July 29 -August 2. 2012 Mantle Convection and Lithospheric Dynamics Workshop, University of California, Davis. 2010 July 26-29. GLADE Workshop: From grains to global tectonics, University of California, San Diego. 2008 July 9-11. 2008 Workshop for Advancing Numerical Modeling of Mantle Convection and Lithospheric Dynamics, University of California, Davis. 2006 March 27-28. 2006 Compressible Mantle Convection Workshop, Purdue University. 2005 June 19-23. 2005 Mantle Convection Workshop, Boulder, Colorado.