Holger Heinen

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Retail (16 years), Telecommunication (7 years), Transportation (5 years), and Education (4.5 years).

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Procurement (9 years), Supply Chain Management (9 years), Customer Service (7 years), Operations (7 years), Product Development (5 years), and Project Management (5 years).