Director and writer
Markus Goller averages 6.30, Dirk Ahner averages 5.70. Apart that suggests 6.00; together they average 5.90, a lift of −0.10.
Lift is the average of their films together minus the mean of their two career averages.
Dot size shows IMDb votes; lines are rolling five-film averages. Films with fewer than 1,000 votes are left out.
| Frau Ella | 2013 | 5.9 | 1,553 | Director | Writer |
| My Brother Simple | 2017 | · | 778 | Editor, Director, Writer | Writer |
