| Company | Timeline | Status | |
| Leucadia Investment Management Limited Director • Director | 3 Jul 2002←10 Years→10 May 2013 | Active | |
| Jefferies International (Holdings) Limited Director • Research Manager | 30 Apr 2002←5 Years→13 Feb 2008 | Dissolved | |
| Jefferies International Limited Director • Research Manager | 13 Apr 2000←7 Years→7 Sep 2007 | Active | |
