Brendan Fenning, Financial Representative, Northwestern Mutual - Chamber Members Go back to directory. Add to Address Book. Brendan Fenning, Financial Representative, Northwestern Mutual Brendan Fenning, Financial Representative, Northwestern Mutual Contact: Brendan Fenning Work Phone: 920-610-9905work Work Email: brendan.fenning@nm.comINTERNET Website: http://brendanfenning.nm.com/