From Poker News Bwin.party digital entertainment, the leading European online gambling operator, has taken drastic measures to cut costs. Sources told eGamingReview this week that World Poker Tour CEO Steve Heller, business development director Alen Lang, and group technology director Tod Martin have all left the company. More departures may take place in the future. Heller joined PartyGaming in 2005 as CEO of Asian operations. It is reported that WPT President Adam Pliska will assume Heller’s role. PokerNews reached out to bwin.party for comment about Heller’s departure, but a spokesperson said the company doesn’t comment about management changes. Martin, who…