Paris—Ipsos ASI, a global advertising research firm, has appointed Liz Musch global CEO. Musch succeeds Alex Gronberger, who takes on the new role of regional CEO of Ipsos Latin America, Buenos Aires. Musch was previously global CEO of Ispsos Loyalty, a division focusing on loyalty marketing. In her new role, she will be based in Paris and will oversee Ipsos ASI's global network of 60 offices.