MediaXchange Media Consultants: Your Global Positioning System Company Overview Based in Los Angeles and London, MediaXchange is a media consultancy assisting entertainment industry professionals to develop effective knowledge, contacts and business in the international marketplace. Founded in 1991 by CEO Katrina Wood, MediaXchangeâs roster of returning clients and new participants from around the world encompasses studios and networks, creative and business executives, writers and developers, financiers and filmmakers, government agencies and industry associations. The range of services we are able to provide is drawn from our unique global perspective and, in collaboration with you, we design a route to your desired destination.