- NETSCI 2015 Zaragoza June 5th 2015 Financial Networks
- NETSCI 2012 Evanston June 20th 2012 DebtRank: too central to fail?
- ECB Frankfurt June 9th 2011 World Trade Web
- APS 2011 Dallas March 22nd 2011 Interconnected Economic Networks
- NETSCI 2010 Boston May 12th 2010 Random Hypergraphs and their Applications