Flex Lewis, a renowned name in bodybuilding, began his journey at 12, inspired by Tom Platz. Known as "Flex" since his rugby days, he transitioned into bodybuilding, winning Junior Mr. Wales and Mr. Britain titles at 19. Training at Gold’s Venice and the Kolosseum Gym in the US, Flex's dedication led to a contract with Weider Publications and success with Gaspari Nutrition, winning two consecutive Olympia 212 Showdown titles in 2012 and 2013.

In 2018, Flex launched a signature line with Yamamoto Nutrition. A 7-time 212 lb Mr. Olympia champion, he now aims for the Mr. Olympia Open Class title. Flex's journey exemplifies his mottos: “BELIEVE TO ACHIEVE” and “LEAVE NO STONE UNTURNED,” inspiring fans worldwide with his dedication and hard work.