Neal Maddox owns Crossfit X-treme Athletics in San Jose, CA (see 2nd link) and is a 7x-time CrossFit Games Athlete as well as a Reebok Athlete. In this before and after pair, we can see him practicing his clean and jerk in July 2017 ahead of the CrossFit Games, which were held in August in Madison, Wisconsin. See the full video of his practice via the first link below.
The first link affords viewers a video of his practice. Enjoy!