Currently, Maria Letizia Mariani holds the position of Chief Commercial Officer of Signify NV and Chief Marketing Officer at Signify Ltd.

She is also on the board of Prysmian SpA.

In the past Ms. Mariani held the position of Chief Executive Officer for Ilti Luce Srl, President for Luceplan SRL, Senior VP & General Manager-Lighting at Philips SpA and Marketing Manager at Apollo Computer, Inc.

Ms. Mariani received an undergraduate degree from Sapienza University of Rome.