Ewa Gąsiorek received her PhD in economics in 2014 in the scientific field of Finance from the University of Economics in Katowice, where she did her doctoral studies in Economic Sciences - Economics from 2007 to 2012. She is a graduate of the University of Economics in Katowice, where she completed her master's degree at the Faculty of Finance and Insurance - majoring in Finance and Accounting with a specialization in Finance and Investment.  In 2005, she completed vocational studies in Management and Marketing at the University of Business. In 2006-2007, she completed postgraduate studies at the Academy of Economics in Katowice in the field of financial control and internal audit in public finance sector units.

Ewa Gąsiorek has served as Deputy Director for Implementation of the Provincial Budget at the Office of the Marshal of the Mazowieckie Voivodeship in Warsaw in the Budget and Finance Department since 2011. As part of her duties, she supervises the implementation of the provincial budget, budget accounting, accounting for income and expenditures of organizational units of the province that do not have legal personality, preparation of budget and financial reports of the province, including the consolidated balance sheet. She conducts collection and enforcement of the province's receivables. Procedures matters related to the granting of concessions in relation to public and civil law receivables. Settles VAT and excise taxes of the province. Carries out matters related to the banking service of the province, including the service of local government organizational units. Supervises liquidity management and debt service of the province. Performs credit risk analysis. Cooperates with national banks and international institutions in obtaining repayable financing (CEB, EIB). Develops documentation necessary for rating the province in cooperation with international rating agencies.

From 1997 to 2011 she worked at the City Hall in Bedzin in the City Budget Department, where she held positions ranging from clerk through sub-inspector, inspector, head of the Planning and Reporting Department, Deputy City Treasurer until her appointment as City Treasurer. Within the scope of her duties, she was in charge of drawing up the city budget for the following years, acquiring repayable and non-repayable sources of financing, implementing projects financed with EU funds within the framework of the Silesian Voivodeship ROP, Human Capital OP, Cohesion Fund. She supervised the preparation of budget and financial reports of the Municipality of Bedzin. She prepared descriptive reports on the execution of the city budget. Developed long-term financial forecasts for the municipality and long-term investment programs. Managed the city's liquidity and debt service.

Her academic achievements include publications on financial management, efficiency in the use of public funds, risk in finance and quality assessment of budget planning. She was a member of the Polish Economic Society, Katowice Branch. She wrote journalistic, scientific and didactic articles for the journal Public Finance Law.

In 2015-2020, she served as a member of the Supervisory Board of Miejskie Przedsiębiorstwo Taksówkowe Sp. z o.o. in Warsaw, and in the period from 2014r - 2015 - as a member of the Supervisory Board of Dr. Roefler Railway Hospital Sp. z o.o. in Pruszków.

In 2020, Ewa Gąsiorek was appointed as a Member of the Audit Committee of the City of Warsaw - a public interest entity as a member who meets the conditions of the Act on independence and has qualifications in accounting and auditing. She has been active in the Audit Committee until now.