Mary B. Walsh is Government Affairs Director for Honeywell and Lead Environmental Policy Europe, covering EMEA for the Advanced Materials part of the Energy & Sustainability Solutions arm of the company. She joined the company in 2020. She leads the representation of this business to all regional regulators and wider stakeholders. 

This business manufactures high-performance products including refrigerants, fine chemicals, and additives and its technologies support customers to efficiently produce products such as fuels and petrochemicals and enable better operational performance via automation control, safety systems and metering solutions. 

An Irish national based in Brussels, she has worked in the policy communication space for more than 20 years. She joined Honeywell from Shell International, where she led global External Affairs teams for the fuels and lubricants businesses. She holds a Masters in European Politics and Administration and an International Bachelor of Arts in History and Politics from University College Dublin (Ireland), University of Bordeaux (France) and the College of Europe (Belgium).