This is to certify that
Lihong Zhao
has successfully completed the Santa Fe Institute's Massive Open Online Course
Introduction to Complexity (2019)
December 05, 2019
![](https://www.complexityexplorer.org/rails/active_storage/representations/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBdVlDIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--c70e160b5a877e7aa10239b4472bd143836e3c9c/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJY0c1bkJqb0dSVlE2RkhKbGMybDZaVjkwYjE5c2FXMXBkRnNIYVFKZUFXbHAiLCJleHAiOm51bGwsInB1ciI6InZhcmlhdGlvbiJ9fQ==--fdc234ebfd173ecf4713dcfa6910de80a1195b64/Screen_Shot_2018-10-16_at_3.47.02_PM.png)
Santiago Ortolano Guisasola , Lead Instructor
![](https://www.complexityexplorer.org/rails/active_storage/representations/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBdWNDIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--426f2c059922a1c7004734c6933e4e8da1700949/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJY0c1bkJqb0dSVlE2RkhKbGMybDZaVjkwYjE5c2FXMXBkRnNIYVFKZUFXbHAiLCJleHAiOm51bGwsInB1ciI6InZhcmlhdGlvbiJ9fQ==--fdc234ebfd173ecf4713dcfa6910de80a1195b64/David-Krakauer_clearSignature.png)
David Krakauer, Santa Fe Institute President