DENTSU, Young & Rubicam has won advertising business from the Singapore Tourist Promotion Board. The agency will be responsible for promoting goodwill between Singapore and Hongkong - a continuing programme which was previously handled by Batey Ads. MEDIA Matters, the media consultancy set up last year by ex-Ogilvy & Mather regional media director Mr Steve White, has been appointed by US-based Eidson, Speer, Watson and Dickerson to advance regional media and planning development for American aviation business corporation Gulfstream Aerospace. BSB Hongkong has been awarded the $10 million international advertising account for the Taj Group of Hotels in India, Sri Lanka and Nepal. The agency will work jointly with Rediffusion Advertising in India. HACHETTE-Filipachhi Press Group has split its managerial function in two to concentrate on its business in China. Former managing director Mr Michel Patout will expand Hachette's publishing and merchandising activities in mainland China. His successor, Ms Christine Brendle, will take over as managing director of Hachette's Hongkong subsidiaries, Hachette Magazine House and Elle Magazine Hongkong, and has been appointed vice-president Asia Pacific. THAILAND advertising sales for Asiaweek and sister title Yazhou Zhoukan are now being handled by Dr Anthony Sharma of Thai Representation Ltd in Bangkok. Dr Sharma also holds the advertising sales representative contract for Time magazine in Thailand. SAN Miguel Brewery has appointed a new director of marketing in Hongkong, Mr Deogracias Villadolid. He replaces Mr Jason Koh who is now regional manager of San Miguel Brewing International. Ms Dora Lee takes over from Mr Villadolid as corporate planning officer. NEWSWEEK International carried its largest single country promotion in Asia Pacific in its January 25 issue with a 40-page special section on Malaysia, ''Forward to 2020''. It was devised in Singapore and also ran in Newsweek Japanese language edition, Nihon Ban. The special section included exclusive interviews with the Prime Minister, Dr Mahathir, Finance Minister, International Trade and Industry Minister and a number of industry leaders on setting the pace of the country's development into the next century. BSB has appointed Mr Ronnie Wong as creative director in charge of all Chinese creative, copy-based. Mr Wong was previously with DDB Needham where he worked with Mr Edward Shen who moved to BSB in October 1992.