| Friend | Igor Tulchinsky |
| Friend | Stanley McChrystal |
| Start Date | 2013-00-00 |
| Is Current | yes |
| Notes | Stan McChrystal is a U.S. four-star general. Igor Tulchinsky is the CEO of the quantitative asset management firm WorldQuant. The pair have maintained a mutually beneficial friendship for a decade despite being busy leaders and operating in completely different spheres of the private and public world. |