What is a demand planner and how to become one

From Microbiology to Mastering Supply Chains: Chinenye Durunguma’ s Journey as a
Production/Demand Planner
When I began my career journey, I never anticipated the path it would take. With a strong foundation in
Industrial Microbiology, I was poised for a career in science. However, my experiences and opportunities
led me to become a seasoned supply chain and manufacturing professional, specializing as a
Production/Demand Planner. I am Chinenye Helen Durunguma, and this is my story.
Building a Strong Foundation in Microbiology
I graduated with first-class honors in Microbiology from Madonna University, Nigeria, followed by a
master’s degree in industrial microbiology from the University of Ibadan. During these early academic
years, I developed a keen interest in process optimization and quality assurance. My analytical skills and
attention to detail, honed during these years, have been invaluable throughout my career.
Unexpected Beginnings in Banking
My professional journey began in an unexpected industry—banking. At Union Bank of Nigeria, I worked
as a Customer Service Officer. Despite the non-traditional start, this role taught me invaluable skills in
problem-solving, stakeholder management, and meticulous attention to detail. Detecting and preventing
fraudulent activities, while overseeing responsibilities across three departments, built a robust foundation
for my future roles in more technical fields.
Transitioning to the FMCG Sector: Heineken and Coca-Cola Hellenic Bottling Company
Shortly after, I transitioned into the FMCG sector starting with at Heineken Nigeria as a Process
Technologist and later as a Brewing Manager. It was a big moment for me as I got to practice what I
studied in school for many years. Here, I led cross-functional teams and spearheaded initiatives to improve
production quality and efficiency. Winning the Heineken AME award for excellence and reducing
Mercaptan off-flavor loss scores highlighted my ability to drive significant improvements in production
processes. Moving to the FCMG also made me further realize my passion for Strategy and process
improvement.
After some good successful years of growth and achievement at Heineken, I moved to Coca-Cola Hellenic
Bottling Company as the production manager where I made history as the first female Production
Manager, leading a large team to achieve record production volumes. My role required a deep
unde