Jan-Willem Roossink

Director Planning of Europe at HEINEKEN

With more than 20 years of international leadership experience across Europe, Africa, and the Middle East, Willem-Jan has built extensive experience in finance, operations, and supply chain management. At HEINEKEN, he is closely involved in the day-to-day planning activities across Europe, contributing to the transformation towards a more agile, transparent, and resilient supply chain.

His work focuses on connecting data, standardizing processes, and developing digital capabilities to support better planning and decision-making.

At the conference, Willem-Jan will share insights from HEINEKEN’s planning environment and discuss how data integration, digitalization, and AI are reshaping the future of supply chain decision-making.

How can data and technology make supply chains more intelligent, connected, and future-ready? Willem-Jan will share his perspective.

Joanna Oksiucik

Site Lead for Regulatory Intelligence, Safety & Compliance (RISC) Operations & Functional Lead for EU Regulations, Amazon

Joanna Oksiucik is Functional Lead for EU Regulations and Site Lead for RISC Operations at Amazon in Gdańsk, Poland, where she oversees approximately 500 people serving 13 marketplaces across EMEA. With more than nine years of experience at Amazon, she has held leadership roles across diverse operations. Among these, she scaled an Alexa Machine Learning Services site from 100 to 600 employees and managed multi-country teams across Poland and Romania.

In addition to her operational responsibilities, Joanna is an Amazon Coaching Trainer, delivering coaching training to managers worldwide to support and strengthen their leadership skills. Before joining Amazon, she spent nearly nine years in the financial services industry at Thomson Reuters, where she led client operations, organizational transformations, and cross-regional teams across EMEA.

Joanna holds an Executive MBA from the Gdańsk Foundation for Management Development and an MA in International Business from the University of Gdańsk. She is passionate about people development and AI-driven innovation and actively champions initiatives that strengthen organizational capabilities. These include programs such as an AI Academy, as well as initiatives focused on recognition, cultural awareness, and inclusion across the organization.

At the TeMa Conference 2026, Joanna will share her experience of leading large-scale operations and developing people and capabilities in a rapidly evolving technological environment.

Rebecca Harms

Head of Fuselage Structure Design Floor Panels & Cabin Windows, Airbus

Rebecca Harms is Head of Fuselage Structure Design Floor Panels & Cabin Windows at Airbus, a position she has held since February 2022. In this role, she leads the teams responsible for designing and delivering essential structural aircraft components, ensuring that projects meet their quality, cost, and time targets.

Rebecca started her journey at Airbus in 2005 as a business management student. Over the past two decades, she has gained extensive hands-on experience across a broad range of roles, including leadership positions in shopfloor operations, maintenance, metrology, and manufacturing engineering at Airbus sites in Bremen and Hamburg. This combination of business, production, and engineering experience has given her a broad perspective on managing complex operations and bringing different disciplines together.

Alongside her production and engineering background, Rebecca is a certified systemic coach. She is passionate about empowering her teams, encouraging bottom-up communication, and applying practical “New Work” principles to everyday leadership. Her approach focuses on creating an environment in which people are encouraged to contribute, communicate, and take ownership.

At the TeMa Conference 2026, Rebecca will share insights from her experience at Airbus and discuss how technical expertise, operational excellence, and people-focused leadership come together in a complex and constantly evolving industry.

Onur Kilic

Associate Professor, Department of Operations, University of Groningen

Onur Kilic is an Associate Professor at the Department of Operations at the Faculty of Economics and Business at the University of Groningen, where he also coordinates the MSc Technology and Operations Management programme. His research focuses on applied operations research, with particular emphasis on production and inventory management, maintenance, energy, and sustainability. He is also involved in teaching courses on convexity and optimization and research methods for Technology and Operations Management.

At the TeMa Conference 2026, Onur will present “Smart Decisions and How to Make Them,” exploring the role of decision-making in addressing complex operational challenges. His contribution connects to this year’s theme, Beyond Resilience: The Intelligent Supply Chain, highlighting the importance of making well-informed decisions in an increasingly complex and interconnected world.

Through his academic perspective, Onur will offer insights into how structured decision-making and operations research can help organizations navigate challenges and improve operational performance.