| January 13th-17th, 2010 | Joint Meetings; Special session in Arithmetic Geometry | San Francisco, CA |
| Jauary 11th, 2010 | Classes start at Rice. Teaching Math 112 and Math 464 | Houston |
| December 30th, 2009 - January 4th, 2010 | Bianca and Cole get married; visit Zezza, Nitin, Jennie | New Jersey; NYC |
| December 14th-29th, 2009 | Visiting Home | San Jose, Costa Rica |
| December 4th-7th, 2009 | Visiting Berkeley | Berkeley, CA |
| November 26-29th, 2009 | Thanksgiving | Waterbury Center, VT |
| November 7th-9th, 2009 | Visiting New Orleans with the in-laws | New Orleans, LA |
| October 30th - November 11st, 2009 | AMS Special session in Arithmetic Geometry | Boca Raton, FL |
| September 21st, 2009 | Speak at Texas A & M's Algebraic Geometry Seminar | College Station, TX |
| September 8th, 2009 | Speak at Rice's Algebraic Geometry Seminar II | Houston |
| September 1st, 2009 | Speak at Rice's Algebraic Geometry Seminar | Houston |
| August 27th, 2009 | Speak at Rice's Math Department Colloquium | Houston |
| August 24th, 2009 | Classes start at Rice. Teaching Math 101 | Houston |
| August 11th-19th, 2009 | Patrick and Margarita get married | Berkeley |
| August 6th-11th, 2009 | Patrick visits Houston! | Houston |
| June 8th-11th, 2009 | Drive to Houston | Berkeley - Houston |
| June 6th-7th, 2009 | Visiting Nitin | NYC |
| June 1st-5th, 2009 | Spaces of curves and their interaction with diophantine problems | NYC |
| April 15-30th, 2009 | HIM trimester on Diophantine Equations | Bonn, Germany |
| April 20-24th, 2009 | Counting points on varieties | Leiden, The Netherlands |
| March 14-18th, 2009 | Arizona Winter School | Tucson, AZ |
| February 12th-14th, 2009 | Speaking at the Algebra Seminar, Emory University | Atlanta, GA |
| February 5th-10th, 2009 | Visiting Home | Costa Rica |
| December 1-5th, 2008 | Arithmetic of K3 surfaces | Banff, Canada |
| November 24-29th, 2008 | Thanksgiving | Waterbury Center, VT |
| November 22-23rd, 2008 | Visiting Dhiraj and Kalpana, Alex and Morgan | Maine |
| November 21st, 2008 | Speaking at Number Theory Seminar, M.I.T. | Cambridge, MA |
| November 18th-21st, 2008 | Visiting M.I.T. | Cambridge, MA |
| October 25th, 2008 | Dan and Katie's Wedding | California |
| 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 |
