Referenzen - Sonstiges - Marcus Knak - Freelancer Event & PromotionMesse & Event
| Messe | Jahr | Position | Kunde |
| PSI Düsseldorf | 2012 | Helping Hand | Messeschmidt GbR |
| Cebit Hannover | 2012 | Messebauhelfer | GOGO VSV |
| Cebit | 2012 | Messebauhelfer | Quest Hands Help |
| HMI | 2012 | Messebauhelfer | Projektservice Schwan |