Dennis presented several popular programs for RTL, including So You Think You Can Dance, Expeditie Robinson, and The Pain Game. Other programs he has presented over the years include Blind Naar De Top, Tourette On Tour, the widely discussed program Project P. about bullying, Bizarre Eters, and Bizarre Slapers. Today, he presents various programs for the TV channel Spike.
In addition to his television work, Dennis is also a host at various festivals. He has presented at events including Paaspop Schijndel, Koninginnenach, Beatstad, Liberation Festivals, and Lowlands. He also hosts corporate events for various clients. This versatile moderator and discussion leader knows how to turn a wide range of events into a success.