Thomas takes over from Michael Birkin, who resigned from the position last month. He will work closely with the I&S BBDO chief executive, Yuzi Nozoe, and the new managing director, Kazutoyo Kato.
Thomas has worked within the BBDO network for a number of years. Before moving to Asia, he worked as the chief executive of Proximity London and as the new-business director of Abbott Mead Vickers BBDO. He also spent time as the chief executive of Lowe London.