Nader Hamamreh-Unger - Operational Excellence Consultant

Recommended expert

Erdmannhausen, Germany

Check rate

Experience

Oct 2020 - May 2023

2 years 8 months

Consultant Operational Excellence

Stuertz Maschinenbau GmbH

Performance management and problem-solving activities (OEE increase)
Implementing lean transformation projects in manufacturing
Developing improvement opportunities and measures based on process analysis
Technical and economic evaluation of solutions
Coordinating and communicating across all involved departments
Conducting training and workshops and qualifying employees
Designing and implementing shop floor management systems
Developing the OPEX roadmap for the entire group

Oct 2019 - Present

6 years 11 months

Senior Consultant Operational Excellence

Freelancer

International projects in the automotive industry (Romania)
Performance management and problem-solving activities (OEE increase)
Designing and implementing shop floor management systems
Implementing lean transformation projects in production and supply chain
Leading Kaizen events (Moderator / Project Manager)

Mar 2019 - Sep 2020

1 year 7 months

Lean Manager

Glen Dimplex Thermal Solutions

Responsible for industrial engineering
Leading lean transformation projects
Overseeing OPEX activities
Designing new lines and redesigning existing ones
Creating Kaizen event roadmaps and running events in production, administration and engineering
Conducting quality and basic problem-solving (BPS) events
Training employees in lean tools
Performing Gemba walks and As-Is analysis tours to identify improvement potential
Creating budgets and savings plans

Jan 2018 - Feb 2019

1 year 2 months

Head of Lean, Quality, Environment and Energy Management

Müller – Die Lila Logistik AG

Responsible for 20 locations in Germany and Poland
Implementing lean management across the group
Strategically developing the lean, quality, environment and energy management department
Managing the department’s budget planning
Mentoring and monitoring all continuous improvement teams (22 members)
Conducting Gemba walks at all locations to identify improvement potential
Leading Kaizen events and training methods
Developing local LELs (Lean Event Leaders)
Creating, coordinating and controlling CI action plans
Developing concepts and methods to improve the Lila Logistic System
Communicating results with managing directors and the COO
Handling urgent issues (firefighting)

Jul 2015 - Oct 2017

2 years 4 months

Lean Manufacturing Manager Germany

Magna Mirrors Germany

Responsible for the three German plants
Mentoring and monitoring all continuous improvement teams
Driving the group toward WCM (World Class Manufacturing)
Generating, coordinating and controlling Hoshin activities to support group strategy
Developing, coordinating and controlling action plans to meet WCM targets
Coordinating monthly KPI reports
Managing all continuous improvement projects
Overseeing lean line design projects
Conducting Kaizen workshops to boost productivity
Running scrap reduction workshops
Leading supplier improvement projects
Developing and controlling savings and budget plans
Training management and staff in lean methodology
Leading workshops to train European lean teams in lean tools

Mar 2011 - Jun 2015

4 years 4 months

Radolfzell, Germany

Lean Promotion Officer

TRW Automotive Electronics & Components GmbH

Development of Hoshin workshops and breakdown of strategy into single actions
Managing all continuous improvement projects
Management of lean line design projects
Execution of Kaizen workshops to improve productivity
Execution of scrap reduction workshops
Train staff in lean philosophy
Energy and HS&E champion
Lead Gemba walks to identify potentials
Generate savings and budget plans
Responsible for operations excellence activities
Energy Manager since June 2013

Apr 2010 - Feb 2011

11 months

Consultant Lean Six Sigma

Freelancer

Six Sigma Green and Black Belt certification
Theory of Constraints training
Execute Six Sigma Black Belt projects in injection molding production

Oct 2008 - Apr 2010

1 year 7 months

Waldshut-Tiengen, Germany

Process Engineer

Sedus Stoll AG

Execution of projects to improve process capability
Integration of the zero-error strategy
Implementation of 5S and shop floor management
Reduction of lead time and increasing the value added of processes
Staff training

Feb 2008 - Jun 2008

5 months

Berlin, Germany

Interim Lean Engineer

Converteam GmbH

Execution of two Kaizen events and implementing the results with the local team

Oct 2006 - Aug 2007

11 months

Berlin, Germany

Interim Industrial Engineer

Bartelt & Sohn OHG

Optimization of internal business and production processes
Time measurement and scheduling of manufacturing processes

Industry Experience

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

Experienced in Automotive, Manufacturing, Transportation, and Energy.

Automotive

Manufacturing

Transportation

Energy

Business Area Experience

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

Experienced in Operations, Project Management, Quality Assurance, Supply Chain Management, Production, and Sustainability Management.

Operations

Project Management

Quality Assurance

Supply Chain Management

Production

Sustainability Management

Skills

Automotive & Industry
Lean Management
Kaizen
Value Stream Mapping & Design
Six Sigma (Black Belt)
Hoshin Kanri
Continuous Improvement Process (Cip)
Smed
Tps
Oee
Theory Of Constraints (Toc)

Languages

German

Advanced

English

Advanced

Education

Apr 2006 - Jul 2007

TFH Berlin

Master in Business Administration and Engineering · Business Administration and Engineering · Berlin, Germany · good

Oct 2000 - Sep 2005

FHTW Berlin

Diploma in Industrial Engineering · Industrial Engineering · Berlin, Germany · good

Oct 1998 - Sep 2000

TU Berlin

Industrial Engineering · Berlin, Germany

Certifications & licenses

Certification in Energy Management

Statistics

Experience

Total positions 10

Experience in Automotive 13.5 y

Avg length 2 y 2 m

Longest experience 6 y 10 m

Global Experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles Consultant Operational Excellence, Senior Consultant Operational Excellence, Lean Manager

Main industries Automotive, Manufacturing, Transportation

Main business areas Operations, Project Management, Quality Assurance

Qualifications

Highest degree Master

Certifications earned 2

Profile

Created

December 2024

Last Update

May 2026

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Frequently asked questions

Have questions? Find more information here.

Nader is based in Erdmannhausen, Germany and can operate in on-site, hybrid, and remote work models.

Nader speaks the following languages: German (Advanced), English (Advanced).

Nader has at least 19 years of experience. During this time, Nader has worked in at least 10 different roles and for 9 different companies. The average length of individual experience is 2 years and 11 months. Note that Nader may not have shared all experience and actually has more experience.

Based on recent experience, Nader would be well-suited for roles such as: Consultant Operational Excellence, Senior Consultant Operational Excellence, Lean Manager.

Nader's most recent position is Consultant Operational Excellence at Stuertz Maschinenbau GmbH.

In recent years, Nader has worked for Stuertz Maschinenbau GmbH and Freelancer.

Nader is most experienced in industries like Automotive, Manufacturing, and Transportation. Nader also has some experience in Energy.

Nader is most experienced in business areas like Operations, Project Management, and Quality Assurance. Nader also has some experience in Supply Chain Management, Production, and Sustainability Management.

Nader has recently worked in industries like Automotive and Manufacturing.

Nader has recently worked in business areas like Operations, Project Management, and Supply Chain Management.

Nader holds a Master in Business Administration and Engineering from TFH Berlin, a Bachelor in Industrial Engineering from FHTW Berlin and a Bachelor in Industrial Engineering from TU Berlin.

Nader has 2 certificates. These include: Certification in Energy Management and Certification in Six Sigma Green and Black Belt.

Nader is immediately available full-time for suitable projects.

Daily Rate Distribution

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Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

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Daily rate avg. 881 €

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Median rate 900 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.