| June 23rd-August 14th, 2008 | Teaching Math 115: Introduction to Number Theory | Berkeley |
| June 16th-20th, 2008 | Rational Points on Curves and Higher Dimensional Varieties | Warwick, UK |
| June 13th, 2008 | Speak at Séminaire `Variétés rationnelles', École Normale Supérieur | Paris, France |
| December 18, 2007 - January 8th, 2008 | Visiting Family | San Jose, Costa Rica |
| December 14, 2007 | Go Home! | Berkeley |
| December 8-12, 2007 | Working with Dan Erman | Paris, France |
| December 3-7, 2007 | Geometrie Arithmetique et varietes rationnelles | Marseilles, France |
| November 21-25, 2007 | Thanksgiving | Waterbury Center, VT |
| November 5th, 2007 | Speak at Algebraic Geometry Seminar, Brown University | Providence |
| October 18-21, 2007 | Visit Bianca Viray | Maryland |
| October 1st, 2007 | Speak at Algebra Seminar, Boston University | Boston |
| Fall, 2007 | Visiting Semester at Harvard | Cambridge, MA |
| July 21-28, 2007 | Rational Points and Higher Dimensional Varieties | Bremen, Germany |
| July ??-21, 2007 | Visit Andrew Kresch at Universitaet Zuerich | Zuerich, Switzerland |
| July 10th, 2007 | Speak at Groupe de Travail SGA1 | Rennes, France |
| June 21-25, 2007 | Dani's Wedding | Waterbury, Vermont |
| June 14th, 2007 | Speak at Seminaire de Geometrie Algebrique, Univ Rennes 1 | Rennes, France |
| June 13th, 2007 | Speak at Seminaire 'Pampers', Univ Rennes 1 | Rennes, France |
| May 20 - August 21, 2007 | Universite de Rennes 1 | Rennes, France |
| April 4th, 2007 | Speak at UCB Number Theory Seminar | UC Berkeley, California |
| March 10-14th, 2007 | Arizona Winter School | Tucson, Arizona |
| December 18, 2006 - January 4th, 2007 | Going Home | San Jose, Costa Rica |
| November 8th, 2006 | Speak at UCB Number Theory Seminar | UC Berkeley, California |
| October 15-21, 2006 | Algebraic Stacks | Oberwolfach, Germany |
| August 28, 2006 | Fall 2006 Semester Starts | UC Berkeley, California |
| August 26, 2006 | Chris and Natalie's Wedding | California |
| July 17 - August 11, 2006 | CMI Summer School in Arithmetic Geometry | Goettingen, Germany |
| March 27-31, 2006 | Cohomological approaches to rational points | MSRI |
| March 11-15, 2006 | Arizona Winter School | Tucson, Arizona |
| January 17, 2006 | Spring 2006 Semester Starts | UC Berkeley, California |
| January 17-21, 2006 | Introductory Workshop in Rational and Integral Points on Higher-Dimensional Varieties | MSRI |
| December 20 - January 4, 2006 | Visiting Family | Ireland |
| October 17-20, 2005 | Deligne Conference | IAS, Princeton, New Jersey |
| September 9 (2-5pm), 2005 | Qualifying Exam | Evans 959, UC Berkeley. |
| August 30, 2005 | Berkeley Semester Starts | UC Berkeley, California |
| June 28 - July 12, 2005 | At Home | San Jose, Costa Rica |
| May 23, 2005 | Move into Nate's |
