Katarzyna Serowka is a skilled Renewals Account Manager at Sauce Labs, responsible for overseeing a $10 million EMEA client renewal process while implementing churn prevention strategies and enhancing revenue through upsell negotiations. Previous experience includes senior supplier management roles at Wayfair, where Katarzyna developed category strategies and negotiated supplier terms, and account management at Atheneum, handling tier one consulting client accounts and engaging with industry experts. Earlier positions include business development management at mc Group and customer service executive at Zalando SE, complemented by an internship at the Polish Embassy in Berlin. Katarzyna holds a Master's Degree in International Relations and a Master's Degree in Applied Linguistics, along with a Bachelor's Degree in Teaching English as a Foreign Language.