Viceland, the upstart entertainment network of Vice Media and A+E Networks, has brought in a very seasoned unscripted cable executives. Lauren Dolgen, a 19-year MTV veteran, has joined Viceland as Head of West Coast Development. She will oversee West Coast-based production and development for the network, reporting to co-presidents Derek Freda & Guy Slattery. Dolgen, who was Head of Reality Programming and EVP of Series Development for MTV until her exit last June amid a…