[2] During elementary school, Conley won a regional third grade science fair where he received a $5,000 savings bond, a trip with his family to nationals in Chicago, Illinois, and was able to meet television personality and master carpenter Bob Vila.

[2] Conley arrived at Georgia a semester early in January 2011 and played four years under head coach Mark Richt before graduating and entering the 2015 NFL draft.

He returned for his junior season in 2013 and caught a career-high 45 passes for 651 receiving yards and was limited to four touchdown receptions in 11 games.

[6] On March 18, 2015, he attended Georgia's pro day, along with Todd Gurley, Amarlo Herrera, Damian Swann, Ramik Wilson, and 13 other prospects.

[7] Throughout the draft process, he met with a few teams for private workouts and meetings, including the Philadelphia Eagles, Dallas Cowboys, and Cleveland Browns.

[8][9][10] At the conclusion of the pre-draft process, Conley was projected to be a third round pick by NFL draft experts and scouts.

[18] Throughout his first training camp, Conley competed against De'Anthony Thomas, Jason Avant, Frankie Hammond, and Albert Wilson for the No.

Head coach Andy Reid named Conley the fifth wide receiver on the depth chart, behind Jeremy Maclin, Albert Wilson, Jason Avant, and De'Anthony Thomas.

On September 28, 2015, Conley caught his first career reception on a 16-yard pass by Alex Smith before being tackled by Green Bay Packers safety Haha Clinton-Dix in the fourth quarter of a 38–28 loss.

[22] The following week, he earned his first career start after Albert Wilson was unable to play due to a recurring shoulder injury.

On October 25, 2015, Conley caught a season-high six passes for 63 receiving yards and a touchdown during the Chiefs' 23–13 win against the Pittsburgh Steelers.

He made his first career touchdown reception on a six-yard pass from Alex Smith in the fourth quarter to seal the Chiefs' victory.

On January 9, 2016, Conley played in his first career playoff game and caught one pass for a nine-yard touchdown during the Chiefs' 30–0 American Football Conference (AFC) Wildcard victory over the Texans.

2 wide receiver against Albert Wilson, Frankie Hammond, De'Anthony Thomas, Rod Streater, and Tyreek Hill.

In his first season under offensive coordinators Brad Childress and Matt Nagy, Conley made 44 receptions for 530 receiving yards in 16 games and 11 starts.

Head coach Andy Reid named him the starting wide receiver, alongside Tyreek Hill, to begin the 2017 season.

[37] In Week 15 against the Oakland Raiders, Conley caught four passes for 49 yards and two touchdowns from Gardner Minshew late in the fourth quarter of the 20–16 comeback victory.

Conley is close with former Chiefs' teammate Jeremy Maclin and is a fan of the TV show Game of Thrones and the Star Wars franchise.