by Herman Manson (@marklives) TBWA is looking at as many as six more acquisitions spread out over the next four quarters, says Derek Bouwer, CEO at TBWA\South Africa. At the end of 2013, TBWA acquired 80% stake in youth marketing agency, HDI Youth Marketeers. It also increased its stake in marketing agency Openco to 51% from a previous holding of 30%.