Hartmut Schalk

Q: Where is Hartmut based?

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

Q: What languages does Hartmut speak?

Hartmut speaks the following languages: German (Native), English (Advanced), Russian (Elementary) .

Q: How many years of experience does Hartmut have?

Hartmut has at least 32 years of experience. During this time, Hartmut has worked in at least 12 different roles and for 13 different companies . The average length of individual experience is 2 years and 5 months . Note that Hartmut may not have shared all experience and actually has more experience.

Q: What is Hartmut's latest experience?

Hartmut's most recent position is Owner at Hanseatic Procurement Consulting .

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

In recent years, Hartmut has worked for Hanseatic Procurement Consulting .

Q: Which industries is Hartmut most experienced in?

Hartmut is most experienced in industries like Manufacturing , Professional Services , and Healthcare . Hartmut also has some experience in Telecommunication , Biotechnology , and Energy .

Q: Which business areas is Hartmut most experienced in?

Hartmut is most experienced in business areas like Procurement and Purchasing , Supply Chain Management , and Project Management . Hartmut also has some experience in Quality Assurance (QA) , Finance , and Sales .

Q: Which industries has Hartmut worked in recently?

Hartmut has recently worked in industries like Professional Services .

Q: Which business areas has Hartmut worked in recently?

Hartmut has recently worked in business areas like Procurement and Purchasing and Supply Chain Management .

Recommended expert

Hamburg, Germany

Experience

Apr 2019 - Present

6 years 11 months

Hamburg, Germany

Owner

Hanseatic Procurement Consulting

Cost reduction programs across the entire value chain
Holistic organizational development of procurement and purchasing
Restructuring and outsourcing of organizational units
Category Management
Interim Management

Oct 2017 - Sep 2019

2 years

Hamburg, Germany

Head of Purchasing Non-Production Materials

Körber AG

Responsible for the procurement of all goods and services of Körber Holding
Led a team of 8 employees (Corporate Category Manager, Sr. Buyer) managing a purchasing volume of €330M (focus: IT hardware/software, logistics, personnel services, travel/mobility, CapEx)
Managed company-wide consolidation via a council

Jul 2016 - Feb 2017

8 months

Hamburg, Germany

Sr. Director Procurement Engineering

Philips Medical Systems GmbH

Responsible for global strategic procurement activities of a Business Innovation Unit (x-ray tubes and generators)
Led 20 employees at 5 locations (Germany, China, USA, Netherlands) managing a purchasing volume of €150M
Implemented cost reduction programs using the design-for-excellence process
Managed all project-related supplier activities for global R&D projects

Apr 2015 - Jun 2016

1 year 3 months

Hanau, Germany

Head of Purchasing

Heraeus Holding GmbH

Responsible for global strategic procurement activities of 3 global business units
Led 25 employees at 11 locations (Germany, China, USA, Switzerland, Singapore) managing a purchasing volume of €120M
Complete realignment of procurement as part of centralization; definition and establishment of strategic procurement

Apr 2010 - Mar 2014

4 years

Dessau-Roßlau, Germany

Chief Procurement Officer

IDT Biologika GmbH

Overall responsibility for all procurement processes of the company (strategic, operational, transactional)
Complete realignment of procurement as part of restructuring; definition and implementation of strategic procurement
Further development of commodity management
Led 12 employees managing a purchasing volume of €100M
Focus on total cost optimization and compliance

Feb 2009 - Mar 2010

1 year 2 months

Hamburg, Germany

Head of Global Processes Methods and Tools; Head of Purchasing Conergy Solar Modules Frankfurt/Oder

Conergy AG

Responsible company-wide for defining and optimizing all strategic procurement processes
Definition, implementation and continuous improvement of the process landscape, role models and tools
Definition and implementation of key performance indicators; harmonization of reporting and controlling processes
Responsible for all purchasing activities at the Frankfurt/Oder site with 4 employees and €200 million purchasing volume
Focused on aggressive cost reduction, initial setup of the purchasing organization and strategic assurance of long-term availability of key materials (e.g., silicon)

Feb 2006 - Jan 2009

3 years

United States

Director Purchasing

Siemens Medical Solutions U.S.A. Inc., Molecular Imaging Division

Responsible for the entire material management process (strategic, operational, dispositive)
Managed 25 employees (commodity managers, planners/buyers, advanced procurement engineers) at 2 locations with USD 300 million purchasing volume
Focus on integrating an acquired company (formerly CTI Knoxville)
Complete reorganization based on Siemens 'World Class Purchasing' methodology

May 2004 - Jan 2006

1 year 9 months

Erlangen, Germany

Director Commodity Management

Siemens AG, Power Generation Group, Divisional Purchasing Erlangen

Responsible for division-wide demand consolidation of manufacturing materials
Managed 10 employees (corporate commodity managers, sourcing specialists) at 5 locations (Germany, USA, Poland, China)
Focus on demand consolidation, global sourcing and management of sub-suppliers
Sustainable development of the consolidation organization (business-case based, process-driven)
Coordination of division-wide global sourcing activities

Jan 2003 - Apr 2004

1 year 4 months

Berlin, Germany

Director Purchasing

Infineon Technologies AG, Fiber Optics Division

Responsible for worldwide strategic purchasing activities of the business unit
Managed 10 employees at 3 locations (Germany, Czech Republic, Taiwan) with €65 million purchasing volume
Focus on sustainable cost reduction, global sourcing and target costing
Implementation of the procurement engineering concept

Nov 1999 - Dec 2002

3 years 2 months

Erlangen, Germany

Sr. Manager Purchasing

Siemens AG, Medical Solutions Group, Customer Service Division

Responsible for worldwide strategic spare parts purchasing for the installed base of medical technology
Managed 5 employees at 2 locations (Germany, USA) with €300 million purchasing volume
Complete rebuilding of the organization based on the 'World Class Purchasing' methodology
Focus on supplier management, long-term contractual supplier relationships and supply chain management

Nov 1997 - Nov 1999

2 years 1 month

Chemnitz, Germany

Purchasing Manager

Siemens AG, Automation & Drives Group, Werk Chemnitz

Responsible for plant purchasing at the Chemnitz site
Led a team of 7 employees managing a purchasing volume of €70 million
Oversaw subprojects within the restructuring framework
Focused on interface management with the business area's strategic purchasing and outsourcing of manufacturing services

Apr 1995 - Oct 1997

2 years 7 months

Berlin, Germany

Hybrid

Buyer

Siemens AG, Bereich Halbleiter Fiber Optics

Responsible for strategic sourcing of all electronic components (ICs, circuit boards, hybrids, passive components)
Managed a purchasing volume of €10 million
Focused on global sourcing, time-to-market, and quality management

Oct 1992 - Mar 1995

2 years 6 months

Berlin, Germany

Sales Administrator

Siemens AG, Zweigniederlassung Berlin/Leipzig

Sales controlling and contract management
Commercial project management of telecommunication systems for major customers

Industries Experience

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 Manufacturing (9 years), Professional Services (7 years), Healthcare (6.5 years), Telecommunication (5 years), Biotechnology (4 years), and Energy (3 years).

Manufacturing

Professional Services

Healthcare

Telecommunication

Biotechnology

Energy

Business Areas Experience

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 (29 years), Supply Chain Management (21 years), Project Management (4.5 years), Quality Assurance (2.5 years), Finance (2.5 years), and Sales (2.5 years).

Procurement

Supply Chain Management

Project Management

Quality Assurance

Finance

Sales

Skills

Experienced Head Of Procurement With International And Cross-industry Experience (Automation, Medical, Pharma/biotech, Solar, Power, Infrastructure, Banking), Assertive And A Strong Negotiator
Strong Implementation Skills, Above-average Analysis And Design Skills, Versatile Intercultural Leadership Experience In Large Corporations And Mid-sized Companies, Strong Process Understanding Including Sap Mm Implementation
It And Controlling Savvy
Many Years Of Experience In Strategic Commodity And Supplier Management, Global Sourcing, Contract Management, Subcontractor Management, Design-to-cost For Purchasing Volumes Up To €300m
Additional Special Experience In Supply Chain Management And International Service Logistics
Proven Success In Restructuring And Integration Projects

Languages

German

Native

English

Advanced

Russian

Elementary

Education

Oct 1990 - Jun 1993

Hessian Academy of Administration and Economics

Business Economist · Germany

Oct 1990 - Jun 1992

Siemens Apprenticeship

Industrial Clerk · Germany

Oct 1987 - Jun 1990

Naval Officers Academy

Nautical Science/Communication Technology · Germany

...and 2 more

Profile

Created

June 2024

Last Update

May 2025

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Frequently asked questions

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

Where is Hartmut based?

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

What languages does Hartmut speak?

Hartmut speaks the following languages: German (Native), English (Advanced), Russian (Elementary).

How many years of experience does Hartmut have?

Hartmut has at least 32 years of experience. During this time, Hartmut has worked in at least 12 different roles and for 13 different companies. The average length of individual experience is 2 years and 5 months. Note that Hartmut may not have shared all experience and actually has more experience.

What roles would Hartmut be best suited for?

Based on recent experience, Hartmut would be well-suited for roles such as: Owner, Head of Purchasing Non-Production Materials, Sr. Director Procurement Engineering.

What is Hartmut's latest experience?

Hartmut's most recent position is Owner at Hanseatic Procurement Consulting.

What companies has Hartmut worked for in recent years?

In recent years, Hartmut has worked for Hanseatic Procurement Consulting.

Which industries is Hartmut most experienced in?

Hartmut is most experienced in industries like Manufacturing, Professional Services, and Healthcare. Hartmut also has some experience in Telecommunication, Biotechnology, and Energy.

Which business areas is Hartmut most experienced in?

Hartmut is most experienced in business areas like Procurement and Purchasing, Supply Chain Management, and Project Management. Hartmut also has some experience in Quality Assurance (QA), Finance, and Sales.

Which industries has Hartmut worked in recently?

Hartmut has recently worked in industries like Professional Services.

Which business areas has Hartmut worked in recently?

Hartmut has recently worked in business areas like Procurement and Purchasing and Supply Chain Management.

What is Hartmut's education?

Hartmut attended Hessian Academy of Administration and Economics for Business Economist.

What is the availability of Hartmut?

Hartmut is immediately available full-time for suitable projects.

What is the rate of Hartmut?

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