Job Description :

Demand Planning Manager

About us

With over 200 brands sold in nearly 180 countries, we’re the world’s leading premium drinks company. Bring your passion and use your curiosity as you explore, collaborate, and innovate to build brands consumers love. Together with passionate people from all over the world, you’ll test new ideas, learn and grow, and unlock a brighter, more exciting future.

Join us to create a career worth celebrating.

About the Function

Our Supply Chain and Manufacturing team are problem-solvers, sourcing, producing, and delivering our much-loved brands to delight customers around the globe. Over half of Diageo’s 30,000+ people work in Supply Chain and Manufacturing. It’s an intricate and sophisticated operation that’s the product of logistical, manufacturing, and technical collaborations.

Our teams in 100 sites in over 30 countries cover production facilities, supplier relationships, customer collaborations and third-party agreements. We’re committed to realising our ‘Society 2030: Spirit of Progress’ goals, to protect the environment and support our farmers and suppliers. Whatever your skills and experience, we’ll help you to thrive in our inclusive culture.

Role Responsibilities

• Lead and oversee the end-to-end demand planning process across designated product categories and markets.
• Develop, maintain, and continuously enhance short-, mid-, and long-term demand forecasts to support business objectives.
• Steer the monthly S&OP cycle and ensure effective collaboration with Sales, Marketing, Supply Chain, and Finance teams.
• Conduct comprehensive analysis of historical data, market dynamics, and commercial inputs to drive forecast accuracy.
• Track forecast performance, identify root causes of deviations, and implement ongoing improvement initiatives.
• Prepare and deliver high-quality reports, dashboards, and presentations for senior leadership.
• Ensure full alignment between demand planning outputs and supply planning strategies.
• Identify, assess, and communicate risks and opportunities that may impact demand projections and inventory levels.

Experience / skills required

• Bachelor’s degree in Business, Engineering, Supply Chain Management, or a related field; a Master’s degree is an advantage.
• Minimum of 7 years of experience in Demand Planning, Forecasting, or Supply Chain functions.
• In-depth understanding of S&OP processes and advanced demand planning methodologies.
• Advanced proficiency in Excel; experience with IBP or comparable planning systems is preferred.
• Strong analytical, critical thinking, and problem-solving capabilities.
• Excellent communication, presentation, and stakeholder management skills.
• Demonstrated ability to operate effectively in fast-paced, dynamic, and matrixed environments.
• Fluency in English, both written and spoken.

Diversity statement

Our purpose is to celebrate life, every day, everywhere. And creating an inclusive culture, where everyone feels valued and that they can belong, is a crucial part of this.

We embrace diversity in the broadest possible sense. This means that you’ll be welcomed and celebrated for who you are just by being you. You’ll be part of and help build and champion an inclusive culture that celebrates people of different gender, ethnicity, ability, age, sexual orientation, social class, educational backgrounds, experiences, mindsets, and more.

Our ambition is to create the best performing, most trusted and respected consumer products companies in the world. Join us and help transform our business as we take our brands to the next level and build new ones as part of shaping the next generation of celebrations for consumers around the world.

Feel inspired? Then this may be the opportunity for you.

Worker Type :

Regular

Primary Location:

Istanbul Head Office:

Additional Locations :

Job Posting Start Date:

2025-11-28