Nathalie van Gent is an experienced media professional with a versatile background as a reporter, moderator, presenter, and speaker. Known for her engaging style, she has a talent for guiding conversations with ease while creating a relaxed and welcoming atmosphere.

Marco Woudenberg is an experienced QHSE professional responsible for quality, health & safety, environmental management and ESG performance at Circular IT group. In his role, he translates sustainability ambitions into concrete policies, processes and measurable results across the organisation and its supply chain.

With a strong focus on continuous improvement, compliance and transparency, Marco plays a key role in Circular IT group’s sustainability assessments and certifications, including EcoVadis. He works closely with internal teams and external partners to embed responsible business practices and support customers in meeting their own ESG and regulatory requirements.

As ESG Director at VodafoneZiggo Wiebe is helping to translate sustainability ambitions into real business impact. He leads ESG strategy based on the Double Materiality principle, aligning policies, targets and action plans with commercial goals, regulatory requirements and customer expectations.

As a member of the Corporate Affairs Senior Management Team, Wiebe focuses on translating ESG regulations and frameworks, such as CSRD, ESRS and OECD Due Diligence, into practical execution. His work includes CO₂ accounting and reporting, stakeholder engagement and strengthening responsible business practices to build a resilient, transparent and future-proof organisation.

Kim Wilmes is ESG Officer at Cegeka, where she is responsible for developing, monitoring and executing policies related to sustainability, social responsibility and good governance. In her role, she translates ESG regulations and requirements into practical actions that help the organisation operate in a transparent, sustainable and future-proof way.

With a background in IT and project-based work, Kim bridges technology, compliance and ESG, supporting Cegeka in embedding sustainability into day-to-day operations and long-term strategy.

Leendert van Houwelingen is Commercial Director End-User Computing at Circular IT Group. With many years of experience in sales, marketing, and business development within the IT sector, Leendert is committed to accelerating the transition to circular workplace solutions.

He has a keen eye for customer needs and market developments, and combines his commercial drive with a strong focus on sustainability and impact. Leendert plays a crucial role in connecting organizations with circular IT solutions that contribute to both cost savings and environmental benefits.