As Chief ESG Officer at Leroy Merlin Polska (LMPL) Jacek is responsible on the company's Executive Committee for designing and animating the deployment of the ESG strategy of Poland’s leading DIY & home improvement retail company with 80 stores, 12 thousand employees and over 40 million customers yearly. The strategy focuses in particular on the decarbonization challenge, drastically reducing total greenhouse gas emissions of LMPL (-50% across scopes 1+2+3 is targeted by 2035 vs 2022). Before joining Leroy Merlin Poland (ADEO Group), he had worked for 18 years for the leading telco operator Orange, both in Warsaw’s Orange Poland and in the global HQ of the Group in Paris. His last job there (2020-23) was to design and deploy the climate strategy of Orange Poland as its Climate Officer.