Roger Van Diepen - Interim Executive – Turnaround & Relocation Mandates

Q: Where is Roger based?

Roger is based in Wald, Switzerland .

Q: What languages does Roger speak?

Roger speaks the following languages: Dutch (Native), German (Advanced), English (Advanced) .

Q: How many years of experience does Roger have?

Roger has at least 13 years of experience. During this time, Roger has worked in at least 1 role and for 1 company . The average length of individual experience is 13 years and 2 months . Note that Roger may not have shared all experience and actually has more experience.

Q: What is Roger's latest experience?

Roger's most recent position is Interim Executive – Turnaround & Relocation Mandates at Interim Executive .

Q: What companies has Roger worked for in recent years?

In recent years, Roger has worked for Interim Executive .

Q: Which industries is Roger most experienced in?

Roger is most experienced in industries like Manufacturing .

Q: Which business areas is Roger most experienced in?

Roger is most experienced in business areas like Operations .

Q: Which industries has Roger worked in recently?

Roger has recently worked in industries like Manufacturing .

Q: Which business areas has Roger worked in recently?

Roger has recently worked in business areas like Operations .

Recommended expert

Wald, Switzerland

Experience

Jan 2013 - Present

13 years 3 months

Interim Executive – Turnaround & Relocation Mandates

Interim Executive

Multiple interim mandates in operational restructuring, plant turnaround, and company relocation
Private equity and investor-driven environments with high transparency and urgency
Strong focus on stabilisation first, then sustainable performance improvement

Korea, Republic of

President & General Manager

Heraeus Group

Full operational responsibility for 150-employee, EUR 200m revenue manufacturing plant
Led crisis-driven shutdown and production/customer transfer to China and Singapore
Managed strike, site blockade, union negotiations, government authorities and media
Executed asset transfer, legal liquidation, and customer continuity without loss of key accounts

Hungary

General Manager / Plant Leader

Honeywell

Full P&L responsibility for European industrial burner and boiler controls business
Led turnaround of multiple loss-making sites with declining delivery performance and morale
Relocated manufacturing from Switzerland to Hungary (400+ employees)
Closed German site (Arnsberg) and redistributed production across Honeywell network
Implemented Lean, One-Piece Flow, and governance
Converted a USD 2m loss into USD 3m operating profit within 24 months

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Manufacturing.

Manufacturing

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Operations.

Operations

Summary

Senior interim operations and plant leader with 30+ years of international industrial manufacturing experience, specialising in crisis stabilisation, loss-making plant turnaround, workforce discipline reset, and cross-border factory relocation within private equity and investor-driven environments.

Full P&L and end-to-end plant accountability in high-volume industrial manufacturing
Proven turnaround of loss-making operations under severe time and stakeholder pressure
Extensive experience relocating and consolidating production across Europe and Asia
Strong shop-floor authority with large workforces (400–500+ employees)
Deep Lean / Operational Excellence background (Six Sigma & TPS certified)
Highly experienced in union negotiations, restructurings, site closures and ramp-ups
Direct reporting to Private Equity partners, Boards, and investors

Skills

Crisis Stabilization & Operational Control

Rapid Restoration Of Execution Discipline Across Safety, Quality, Delivery, Cost And Workforce Performance
Implementation Of Daily Management Systems, Kpi Governance, And Escalation Routines
Stabilisation Of Customer Delivery Under Distressed Operating Conditions

Turnaround & Restructuring

Conversion Of Loss-making Plants Into Profitable Operations Through Cost Reduction, Productivity Improvement And Structural Resizing
Workforce Restructuring, Shift Model Redesign, And Management Team Reset
Balance Sheet Clean-up And Cash Preservation Under Investor Scrutiny

Factory Relocation & Manufacturing Consolidation

Execution Of Cross-border Production Transfers With Minimal Customer Disruption
Ramp-down And Closure Of Legacy Sites Combined With Controlled Ramp-up Of Receiving Plants
Integration Of Transferred Production Into Existing Operations

Workforce Discipline & Leadership Reset

Leadership Of Large, Unionised And Temporary-labour-heavy Workforces
Restoration Of Standards, Accountability, And Shop-floor Discipline
Direct Engagement With Works Councils, Labour Unions And Authorities

Languages

Dutch

Native

German

Advanced

English

Advanced

Education

Twente University of Technology

Mechanical & Biomedical Engineering · Mechanical & Biomedical Engineering · Enschede, Netherlands

Certifications & licenses

Six Sigma & Lean Manufacturing (Toyota Production System)

Statistics

Experience

Total positions 3

Experience in Manufacturing 13 y

Avg length 4 y 5 m

Longest experience 13 y 2 m

Global Experience

Countries worked in 2 (Korea, Republic of, Hungary)

Primary country Korea, Republic of

Expertise

Recent roles Interim Executive – Turnaround & Relocation Mandates

Main industries Manufacturing

Main business areas Operations

Qualifications

Highest degree Master

Certifications earned 1

Profile

Created

January 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Roger based?

Roger is based in Wald, Switzerland.

What languages does Roger speak?

Roger speaks the following languages: Dutch (Native), German (Advanced), English (Advanced).

How many years of experience does Roger have?

Roger has at least 13 years of experience. During this time, Roger has worked in at least 1 role and for 1 company. The average length of individual experience is 13 years and 2 months. Note that Roger may not have shared all experience and actually has more experience.

What roles would Roger be best suited for?

Based on recent experience, Roger would be well-suited for roles such as: Interim Executive – Turnaround & Relocation Mandates, President & General Manager, General Manager / Plant Leader.

What is Roger's latest experience?

Roger's most recent position is Interim Executive – Turnaround & Relocation Mandates at Interim Executive.

What companies has Roger worked for in recent years?

In recent years, Roger has worked for Interim Executive.

Which industries is Roger most experienced in?

Roger is most experienced in industries like Manufacturing.

Which business areas is Roger most experienced in?

Roger is most experienced in business areas like Operations.

Which industries has Roger worked in recently?

Roger has recently worked in industries like Manufacturing.

Which business areas has Roger worked in recently?

Roger has recently worked in business areas like Operations.

What is Roger's education?

Roger holds a Master in Mechanical & Biomedical Engineering from Twente University of Technology.

Does Roger have any certificates?

Roger has 1 certificate: Six Sigma & Lean Manufacturing (Toyota Production System).

What is the availability of Roger?

Roger is immediately available for suitable projects.

What is the rate of Roger?

Roger's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.