_by_Sandro_Halank%25E2%2580%2593026.jpg) Simon withratiopharm Ulm in 2025 | |
| No. 15 – Ratiopharm Ulm | |
|---|---|
| Position | Small forward |
| League | Basketball Bundesliga |
| Personal information | |
| Born | (1996-05-06)May 6, 1996 (age 29) Los Angeles, California, U.S. |
| Listed height | 6 ft 5 in (1.96 m) |
| Listed weight | 215 lb (98 kg) |
| Career information | |
| High school | |
| College |
|
| NBA draft | 2019:undrafted |
| Playing career | 2019–present |
| Career history | |
| 2019–2020 | Windy City Bulls |
| 2020–2021 | Illawarra Hawks |
| 2021 | ratiopharm Ulm |
| 2021–2022 | Riesen Ludwigsburg |
| 2022–2023 | Sydney Kings |
| 2023 | Scaligera Verona |
| 2023–2024 | Paris Basketball |
| 2024–2025 | MHP Riesen Ludwigsburg |
| 2025–present | ratiopharm Ulm |
| Career highlights | |
Stats atBasketball Reference  | |
Justin D'John Simon (born May 6, 1996) is an American professionalbasketball player forRatiopharm Ulm of theBasketball Bundesliga (BBL). He played college basketball forSt. John's.
Simon spent the first three years of his high school career atTemecula Valley High School in his hometown ofTemecula, California.[1][failed verification] In his junior season, Simon averaged 17.5 points, 8.9 rebounds, and 4.2 assists per game, which earned him spots on the all-state underclass and the Division II all-state first teams, in addition to being named the Southwestern League MVP. He also received an invitation to the Men's U-18 National Team training camp.
Simon spent his senior season atBrewster Academy inWolfeboro, New Hampshire, where he blossomed into a consensus top-40 national recruit in the class of 2015. In leading the team to a 34–1 record, the NEPSAC Class AAA title and the National Prep Championship, Simon averaged 12.5 points, 5.0 rebounds, and 3.5 assists per game.
Simon finished high school as a four-star recruit and the 37th ranked player in the class of 2015, according to ESPN.[2] Simon received over 20 Division I scholarship offers from the likes ofIndiana,Kansas, andLouisville, but ended up selectingArizona.
| Name | Hometown | School | Height | Weight | Commit date | |
|---|---|---|---|---|---|---|
| Justin Simon G | Temecula, CA | Brewster Academy (NH) | 6 ft 5 in (1.96 m) | 205 lb (93 kg) | May 6, 2014 | |
Recruit ratings:Rivals:  247Sports:  (87) | ||||||
In hisfreshman season atArizona, Simon struggled to find playing time. Early in the season, Simon received an increased amount of minutes due toAllonzo Trier being injured, but his time on the court soon fell off as he failed to see the court in seven of the team's last 11 games. Simon did not start in a game all season and saw action in just 24 contests. In 7.5 minutes per game, Simon averaged 2.3 points and 1.2 rebounds per game.
After the season, Simon announced his intention to transfer. He had interest from several programs, includingOklahoma State,Providence, andNew Mexico, but ended up choosingSt. John's.[3]
Simon sat out the2016-17 season due to NCAA transfer rules.
Simon had a breakoutsophomore season, tallying 20 double-digit scoring performances and nine double-doubles in 33 games, all of which he started. He averaged 12.2 points, 7.1 rebounds, 5.1 assists, and 2.5 steals per game, and was the only player in theBig East to rank in the top five in rebounding, assists, and steals. Simon ranked eighth nationally in steals with 82.[4]
In hisjunior season, Simon's offensive production declined slightly but he developed into one of the nation's best defenders. In 34 games, 33 of which he started, Simon averaged 10.4 points and 5.1 rebounds all while leading the team in blocked shots with 22 and ranking third on the team in steals with 50. After the season, Simon was named Big East Defensive Player of the Year.[5]
On April 9, 2019, Simon announced he was forgoing his senior season to declare for the2019 NBA draft.[6]
| GP | Games played | GS | Games started | MPG | Minutes per game |
| FG% | Field goal percentage | 3P% | 3-point field goal percentage | FT% | Free throw percentage |
| RPG | Rebounds per game | APG | Assists per game | SPG | Steals per game |
| BPG | Blocks per game | PPG | Points per game | Bold | Career high |
| Year | Team | GP | GS | MPG | FG% | 3P% | FT% | RPG | APG | SPG | BPG | PPG |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015–16 | Arizona | 24 | 0 | 7.5 | .500 | .333 | .429 | 1.2 | .3 | .3 | .3 | 2.3 |
| 2016–17 | St. John's |  Redshirt | ||||||||||
| 2017–18 | St. John's | 33 | 33 | 36.1 | .473 | .417 | .661 | 7.1 | 5.1 | 2.5 | .8 | 12.2 |
| 2018–19 | St. John's | 34 | 33 | 32.9 | .462 | .289 | .608 | 5.1 | 3.2 | 1.5 | .6 | 10.4 |
| Career | 91 | 66 | 27.3 | .470 | .351 | .620 | 4.8 | 3.1 | 1.5 | .6 | 8.9 | |
Simon was not selected in the draft, but was invited to play for theChicago Bulls'Summer League team. In five games, he averaged 6.8 points and four rebounds in 21 minutes per game.[7] On September 12, 2019, Simon signed an Exhibit 10 contract with the Bulls and was added to the team's training camp roster.[8] On October 21, Simon was waived from the Bulls' roster and was subsequently assigned to the team'sG League affiliate, theWindy City Bulls.[9] He averaged 12.8 points per game in the G League.[10]
On August 14, 2020, Simon signed a one-year deal with theIllawarra Hawks of the AustralianNational Basketball League (NBL).[11]
On August 19, 2021, Simon signed a six-week contract withratiopharm Ulm of the GermanBasketball Bundesliga (BBL) as an injury replacement forKarim Jallow.[12]
On October 3, 2021, Simon signed withMHP Riesen Ludwigsburg of the BBL.[13] On May 8, 2022, he helped Riesen finish third in the2021–22 Basketball Champions League when he recorded 27 points, 6 rebounds, 6 assists and 3 steals againstHapoel Holon, becoming the first player in BCL history to record more than 25 points, 5 rebounds, 5 assists and 2 steals. He also set a new record for points in aBCL Final Four game.[14]
On July 18, 2022, Simon signed with theSydney Kings in Australia for the2022–23 NBL season.[15]
On March 20, 2023, Simon signed withScaligera Verona of theLBA.[16]
On July 18, 2023, Simon signed withBnei Herzliya of theIsraeli Basketball Premier League.[17] He terminated his contract with the club on November 19, 2023.[18]
On December 1, 2023, he joinedParis Basketball of theLNB Pro A andEuroCup as an injury replacement for Sebastian Herrera.[19] In his first season with the club he won the2024 EuroCup.
On September 15, 2024, he signed withMHP Riesen Ludwigsburg of theBasketball Bundesliga (BBL) for a second stint.[20]
In November 2025 he went back toratiopharm Ulm.[21]
Simon's father Ken played football atFresno State and his mother Felicia played basketball and ran track atUC Irvine. Simon has two brothers and a sister.
