You could work with talent agencies and head hunters (i.e. ://www.interactiveselection). They have access to a wide range of professionals from the industry. Many of the biggest do business with them. You could also advertise on a website such as Gamasutra (://jobs.gamasutra/)
Games Industry Recruitment Agencies:
://www.gamesjobsdirect/games-industry-recruitment-agencies.cms.asp