Joanna Muzyka-Piwowarek is an experienced Publisher Manager in the Programmatic Department at Grupa Wirtualna Polska, where since March 2019, Joanna has been responsible for providing optimal programmatic solutions to publishers and collaborating with the IT department to enhance the SSP of Wirtualna Polska Media, WPartner. Prior to this role, Joanna served as a Business Manager at Codest from June 2018 to November 2018, focusing on complex challenges in online advertising within a team of product designers and engineers. From October 2015 to May 2018, Joanna was a Team Leader in Publisher New Business at Yieldbird, a global company specializing in advertising management and ad inventory optimization, where Joanna contributed to advanced programmatic strategies and supported direct sales teams with consulting and reporting.