| successful business | agency/joint-venture/ellmer-group | dr. roland ellmer • transdisciplinarity | germany | colombia | business | development | agency | agencia | agentur | yook3.com |
| successful business | agency/joint-venture/ellmer-group | dr. roland ellmer • transdisciplinarity | germany | colombia | business | development | agency | agencia | agentur | yook3.com |