Mark Tensundern Hectic Fence, also known as Mark Tensundern. Mark grew up in the East of Holland and now lives in The Hague. 24 years old and producing for 8 years, a lot of Marks past time was spent producing Hardcore terror. It took Mark a while to realize that this was not the only field that appealed to him. Reflecting on his first release N.E.S.T.O.R on the Men in Motion label, this really portrays his passion for techno.