
Mark Jansen
Grand Island, New York · Personal trainer

Grand Island, New York · Personal trainer
What this shows: Each season Mark played, oldest first. The bar runs from the first person out (left) to the winner (right); the tall block is Mark. The tiles are that season's numbers.

What this shows: Each bar is a percentile: the share of all 417 Big Brother appearances that scored lower (50 is the typical player). Big Brother has no such scores, so its bars are counts from our own data. The label is our rule of thumb, not an official rating.
The Big Brother players whose bars sit closest to Mark's in Big Brother 19. Match is 100 minus the typical gap between the two sets of bars, in percentile points.
Scottie SaltonBig Brother 20 · Middle of the pack96matchCompare
Jessica MilagrosBig Brother 21 · Middle of the pack96matchCompare
Matt McDonaldBig Brother 9 · Middle of the pack93matchCompare
Hannah ChaddhaBig Brother 23 · Middle of the pack92matchCompare
Nick MaccaroneBig Brother 21 · Middle of the pack91matchCompareWhat this shows: Built from the vote and competition records, in order. Big Brother: and wins, , and .
What this shows: Each vote Mark cast at an . A filled dot means they voted with the majority; a hollow dot means they were on the losing side. The last column is who went home.
| When | Voted for | With the majority? | Went home |
|---|---|---|---|
| Wk 1 | Jillian | Cameron | |
| Wk 1 | Jillian | Jillian | |
| Wk 2 | Cody | Cody | |
| Wk 3 | Dominique | Dominique | |
| Wk 3 | Paul | ||
| Wk 4 | Josh | Ramses | |
| Wk 6 | Jessica | Jessica | |
| Wk 7 | Cody | Cody | |
| Wk 7 | Matt | Elena |
As a , voted for Josh to win.
What this shows: Individual wins only (each competition counted once), sorted into the formats they used: endurance, puzzles, OTEV and so on. A competition can have several formats.
What this shows: Named alliances and showmances from the Big Brother Wiki and other cited sources, with when each formed and ended (week) where the source says. Tap a face to open that player.
What this shows: Podcasts, videos and articles about Mark, matched by name or episode title, then how much analyst coverage each of their seasons got. Strongest matches first. Links open the original.