He went undrafted in the 2006 NBA draft and moved to Europe to play professional basketball, mainly in Italy with stints in France, Poland and Switzerland, and also had experiences in Kazakhstan, China and Uruguay.

Williams was born in Frankfurt, Germany to parents Eric and Debra (née Certain),[2] who were both athletes at Livingstone College: his father was a football player, while his mother played basketball.

[2] Williams enrolled at Wake Forest-Rolesville High school, where he played in the varsity team for 4 years, coached by Chuck Hess.

[3] As a sophomore in high school he weighed 313 pounds[7] and posted averages of 15 points, 9 rebounds, 4 assists and 2 steals per game.

[3] Williams was already being recruited by NCAA Division I colleges in his junior year[8] as a nationally ranked prospect;[7] he averaged 22 points, 15 rebounds, 3 blocks,[7] 5 assists and 3 steals, shooting 85% from the field, and during a game he broke a rim.

[3] Wake Forest-Rolesville lost in the sectional final game against Leesville Road High School,[7] the team of 2001 North Carolina Mr. Basketball Anthony Richardson.

[13][14] Williams was recruited since his junior year in high school, and received interest from Wake Forest, Clemson,[7] NC State[15] and North Carolina.

[4][17] For his sophomore year, coach Prosser increased Williams' minutes, and the center improved his averages to 12.4 points, 5.6 rebounds, 0.6 assists and 0.7 blocks.

Williams initially entered his name in the 2005 NBA draft and participated in pre-draft workouts, but withdrew in April without having hired an agent, something that allowed him to come back to Wake Forest for his senior year.

In 2007 he took part in the Las Vegas Summer League with the Phoenix Suns, playing 4 games with averages of 1.8 points and 2.8 rebounds in 9 minutes.

In 2008 he won the Italian Basketball Cup, and the following season he participated in the 2008–09 Euroleague, playing all 10 games and posting averages of 9.9 points and 5.1 rebounds.

[37] He then joined Chinese team Guangzhou Liu Sui, which played in the National Basketball League, and averaged 14.8 points, 7.4 rebounds and 1.1 steals in 9 appearances.

[39] He then joined Polish team MKS Dąbrowa Górnicza and played the entire 2015–16 season there, posting averages of 10.5 points and 5.1 rebounds per game.