[3] He studied modern history, political science and sociology in Bonn and Oxford after receiving his Abitur from the Gymnasium am Wirteltor Düren.

[4] He played youth football for FC Grenzwacht Hürtgen, where he is still a club member, as a left winger until suffering a serious knee injury.

[2] From October 2012 until the change of government in June 2017,[6] he succeeded Klaus Schäfer as state secretary of the Ministry for Family, Children, Youth, Culture and Sport of North Rhine-Westphalia [de].

[7] Since 1 October 2019, Neuendorf has served as a board member of the Federal Chancellor Helmut Schmidt Foundation in Hamburg.

[9] Neuendorf also served a member of the DFB Executive Committee and vice-president of the Western German Football Association.