Plenary Talks Given

• Petersonfest 2007
• ICDEA Kyoto 2006
• Marrakesh 2006
• ICDEA Munich 2005 Pictures
• Istanbul 2005 Pictures
• Kentucky 2004
• Antalya 2004
• ICDEA Augsburg 2001
• Midwest DE 2000

Conferences Organized

• ICDEA 2008
• Petersonfest 2007
• Istanbul 2005 Pictures
• RMMC Wyoming 2002

Special Sessions Organized

• AMS New Orleans 2007
• AMS San Antonio 2006
• AMS/DMV/OMG Mainz 2005 Pictures
• AMS Atlanta 2005
• AMS Phoenix 2004
• AMS Atlanta 2003
• AMS Atlanta 2002
• AMS San Diego 2002
• SIAM SEAS 2001
• Special Session "Time Scales" at WCNA-2000

Special Issues Edited

• Special Issue on "Dynamic Equations with Applications" ADE
• Special Issue on "Differential, Difference, and Dynamic Equations" DSA
• Special Issue on "Advances in Difference Equations IV" CMA
• Special Issue on "Time Scales" JCAM
• Special Issue on "Hamiltonian Systems" DSA