Rafał Siemieniuk

Rafał Siemieniuk is an experienced data analyst currently working at Empik Group since October 2019, specializing in Power BI and R for data visualization and reporting. Prior to this, Rafał served as a Site Editor at Sykes Enterprises from January 2016 to October 2019, where responsibilities included data analysis from customer surveys and website performance metrics for HP's Global Support team. Earlier experience includes a role as an E-Marketing Specialist at SEOPOL, achieving significant increases in online sales and reduced advertising costs, as well as serving as Vice President of Marketing for AIESEC Bialystok, where Rafał oversaw marketing strategies and team leadership. Rafał holds a Bachelor of Engineering in Electronics and Telecommunications from Bialystok University of Technology.