Meet our Team!


Gedin - Ardwin Jansen  

Ardwin Jansen

Graduated in 2013 as Civil Engineering Engineer and now with a strong passion to work at Gedin B.V .. To date he has gained his experience in the Project, and Process Guidance of extensive civil engineering and hydraulic engineering works. Ardwin started as a work planner for a major road builder and has since then became an important link between the discipline organization and process organization on an extensive project.

Areas of expertise: Work preparation, System Engineering, Project coordination, Process guidance

 Likes; family, my daughter, soccer, 3rd half, project- and process management

Gedin - Kirsten de Bone  

Kirsten de Bone

For a long time Kirsten worked in various roles in the field of environmental engineering within the government. After working in the management of the Regional Implementation Service for a while, it was time fot a nex challange. Kirsten has found her challenge as Project Management Manager for Gedin. By applying structure and a process-based way of working, she knows how to make project organizations function efficiently and effectively.

Areas of expertise: Project management, Environmental technology, Process management, Contract and Financial management.

Karel Minnema Gedin


Karel Minnema

As a generalist in the field of contracting, I cherish admiration for the true specialists who practice their profession with passion. With enthusiasm I commit myself to finding those people who are looking every day for the added value for our clients. Gedin must be a melting pot of engineers who, with their passion for the profession and a natural enthusiasm, perform to the maximum for our clients.

Read more about Karel Minnema

 Likes; Family, outdoor sports, motocross, USA & Canada, entrepreneuring, my kids, camping, engineering



Yke de Veer Gedin


Yke de Veer

As a Project Coordinator, Yke works for both contractors and consultancy firms. In addition to his specialization in soil remediation, he has extensive experience in the construction of underground infrastructure. Because of his broad interest in the contractor's field and his experience within the various disciplines, Yke is the technical source of information at Gedin where it concerns performance-related issues.

Areas of expertise: (Main) implementation, Work Preparation, Coordination Cables and Pipelines


 Likes; challenging projects, special brews, projects from start to finish



Iljan Vos Gedin


Iljan Vos

Specialist Soil and (water) soil-related works and issues. Iljan, as Senior Project Manager, has very extensive knowledge and experience in the field of soil-related matters. Iljan regularly works for government authorities as well as policy officer / enforcer, but also as project manager for various contractors. Disciplines: Interim Management, Environmental Advice, Environmental Supervision, Project Management

Read more about Iljan Vos

 Likes; cycling, skating, kids.

Ronald van der Wal - Gedin


Ronald van der Wal

Ronald is a practical Safety Specialist with a great passion for safety. As a Senior Safety Expert Ronald has extensive experience with HSE support and issues in various projects within Oil / Gas / Chemistry / Industry / Pharma / Food and Wind Energy. Working for clients such as AKZO Nobel, Philips, NAM, BioMCN, BARD, ALSTOM, DSM, INOVYN, Verwater, MSD, Frieslandcampina, KWS Infra.

Areas of expertise: All aspects of safety, including: audits, safety coaching, incident investigation, risk assessment, project HSE project Management, HSE management systems, contingency plans, implementation strategies, risk management, HSE performance ladders etc.

Likes; family, the kids, mountainbiking, music, traveling, model plains/drones