WWE World Heavyweight Champion: Daniel Bryan
Intercontinental Champion: Big E
United States Champion: Dean Ambrose
Divas Champion: Paige
Tag Team Champions: Jey Uso & Jimmy Uso
Daniel Bryan joined the WWE in 2009, but didn't have his first match until 2010. After a dark match, he started off in FCW for what he felt was ring rust. That same year he then joined NXT, which then later, he was released. Once again, that same year, he returned this time at SummerSlam. Afterwards, he was finally part of the Raw Roster.
Big E joined the WWE in 2009, starting off in FCW. In 2012, he joined NXT as FCW was rebranded into that. Big E officially made his debut onto the main roster in 2012.
Dean Ambrose joined the WWE in 2011, starting off in FCW. He made his main roster debut in 2012.
Paige joined the WWE in 2011, starting off in FCW, but didn't have her first match until 2012. She joined NXT when FCW was rebranded. She made her main roster debut in 2014.
The Usos joined the WWE in 2009, but had their first match in 2010, starting off in FCW. The Usos joined the main roster later that year.
---------------------------------------------------
This means that each current champion has at most five years experience in the WWE. At the same time, each current champion has only been on the main roster for at most four years.
It truly is a new era.