Faces behind biggest deals.(investment banks involved in entertainment industry mergers)(Brief Article)

NEW YORK When deals are done, bankers are never far away. Here's a look at some of the top players in media and entertainment:

* Morgan Stanley Dean Witter -- Jeff Sine, head of the firm's 50-person global media group

Ranked 1999 Bank of the Year by Investment Dealers' Digest, Morgan Stanley was the sole banker for Viacom in the CBS deal, and took the lead for Time Warner in the company's deals with America Online and EMI. Sine and partner Paul Taubman led the Time Warner efforts for Morgan Stanley, which also advised the conglom on its landmark merger with Turner Broadcasting as well as a potential restructuring of Time Warner Entertainment.

In addition, Morgan Stanley is also lead underwriter for Viacom's upcoming initial public offering of online unit MTVi. The company worked with Times Mirror Co. in its takeover by Tribune Co. and was a key member of the large banking group assembled by AMFM in the radio company's sale to Clear …