Conversation so far:
What role did Ruben Studdard have on Biggest Loser?
At 6'3 and 462 pounds, Ruben Studdard had the highest starting weight and BMI of the entire cast.
Did Studdard do well on America's Biggest Loser?
A member of the show's Red Team, Ruben Studdard was first eliminated in the fourth week after he failed to make his weight loss goal.
Why was Ruben Studdard's first elimination on American's Biggest Loser voided?
Because opposing coach Jillian Michaels had given her team caffeine pills in violation of the rules, Studdard's elimination was voided

Question: What place did he finish ultimately?
Self-contained rewrite: What place did Ruben Studdard finish ultimately on Americas Biggest Loser's Fifteenth season?