To thrive as a Portfolio Wine Manager, you need in-depth knowledge of wine varietals, regions, and market trends, often supported by WSET certification or similar qualifications and experience in beverage sales. Familiarity with inventory management systems, CRM platforms, and data analysis tools is typically required to manage and promote wine portfolios effectively. Strong negotiation, relationship-building, and communication skills help you connect with clients, suppliers, and team members. These skills are vital to successfully curate wine selections, drive sales growth, and strengthen brand reputation in a competitive market.