| Date | Title | Event | Location | Dates | Status |
| 8 Dec 2005 | Efficient simulations of sparse Hamiltonians | CIAR Quantum Information Processing Meeting | Fairmont Chateau Frontenac, Quebec City | 8-10 Dec 2005 | Invited |
| 15 Nov 2005 | Efficient simulations of sparse Hamiltonians | Mathematics of Quantum Computation and Quantum Technology | Texas A&M University, College Station, Texas | 13-16 Nov 2005 | Invited |
| 23 Aug 2005 | Concatenated Quantum Teleportation | Korean Institute for Advanced Study (KIAS) and Korean Advanced Institute for Science and Technology (KAIST) : 2005 Workshop on Quantum Information Science" | Seoul, Republic of Korea | 22-24 Aug 2005 | Invited |
| 26 Jun 2005 | Arrow of time; and other temporal conundrums | Banff New Media Institute Summit on Bodies in Motion: Memory, Personalization, Mobility and Design | Banff | 25-28 Jun 2005 | Invited |