Weiß served internships with several football clubs around the globe such as Real Madrid, Arsenal, Kaiserslautern, and River Plate, to name a few.

[4] Under him, the Azkals rose to their highest-ever placing in the FIFA rankings, 127 (which was later surpassed, 124 under new coach Thomas Dooley).

[5] In April 2014 it was announced that he was part of an 8-man shortlist to replace Eric Nshimiyimana as Rwanda manager.

[9] He immediately began preparations to lead the national under-23 team in 2018 AFC U-23 Championship qualification.

[10] After three years, he departed from the coaching position of Mongolia, where he earned respect for his supporting role on developing Mongolian football.