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Jan-Christoph Wiemann

Owner / Business Consultant

Jan-Christoph Wiemann
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Mülheim an der Ruhr, Germany

Experience

May 2025 - Present
11 months
Mülheim, Germany

Owner / Business Consultant

Wiemann Consulting

Expertise details
Position Summary
Owner / Business Consultant at Wiemann Consulting
Industries
Energy
Real Estate
Business Areas
Operations
Strategy
  • Independent business consultant for the energy and real estate industries
  • Interim manager at a municipal energy supplier for sub-metering
  • Strategic corporate development for an Austrian energy service provider
May 2023 - Apr 2025
2 years
Pegnitz, Germany

Managing Director / Chief Operating Officer

Officium GmbH

Expertise details
Position Summary
Managing Director / Chief Operating Officer at Officium GmbH
Industries
Energy
Business Areas
Accounting
Business Intelligence
Customer Service
Information Technology
Legal
Operations
Procurement
Strategy
Supply Chain Management
Sustainability Management
  • Managed the holding company Officium GmbH with P&L responsibility for the corporate group

  • Responsible for billing, contract management, field service, procurement & supply chain, customer care, and ESG reporting

  • Managing director in 13 portfolio companies of Officium GmbH

  • Post-merger integration of acquired companies

  • Member of the advisory board at Einhundert Energie GmbH

  • Member of the supervisory board at Thermomess AG (until September 2024)

  • Close collaboration with the private equity firm Arcus Infrastructure LLP in London

  • Defined the strategic positioning and developed the corporate strategy

  • Digitalized and standardized scalable business processes across portfolio companies

  • Harmonized the hardware portfolio and managed strategic supplier relationships

  • Established a shared services center for billing

  • Completely restructured portfolio companies and transferred business processes to sister companies

  • Implemented company-wide policies, including an ESG policy with associated processes and KPIs

  • Set up ESG reporting

  • Initiated and further developed the change management process within the group

  • Represented the company at industry associations and customer events

  • Expanded the customer portfolio

  • Developed a company-wide KPI standard

  • Responsible for IT operations

  • Conducted due diligence for new M&A activities in the operations area

  • Digitalized scalable process modules within the group

  • Established a shared service center for billing

  • Harmonized the hardware portfolio

  • Fully restructured portfolio companies and transferred business processes to sister companies, including the sale of business units

  • Completed an ESG certification according to the GRESB standard

  • Advanced a scalable commercial concept and successfully marketed it to key account customers

  • Implemented a strategic pricing concept across the group

Jan 2022 - Apr 2023
1 year 4 months
Ratingen, Germany

Head of Business Development, Member of the Management Crew

suportica GmbH (energieweit group)

Expertise details
Position Summary
Head of Business Development, Member of the Management Crew at suportica GmbH (energieweit group)
Industries
Energy
Real Estate
Business Areas
Product Development
Sales
Strategy
  • Set up a new business development department with personnel responsibility

  • Defined the strategic positioning and further developed the corporate strategy

  • Designed and implemented a new product development process

  • Identified and conceptualized new product ideas

  • Developed competitive and portfolio analyses

  • Acquired new customers in the energy and housing sectors

  • Provided operational support for customer projects

  • Supported, coordinated, and optimized cross-division collaboration in developing complementary product ideas (management consulting, IT development, and operational execution)

  • Designed and implemented a new product development process (Stage-Gate process)

  • Conceptualized two modular service products (sub-metering and tenant electricity)

Jun 2019 - Dec 2021
2 years 7 months
Essen, Germany

Head of Product Management / Squad Leader

ista International GmbH

Expertise details
Position Summary
Head of Product Management / Squad Leader at ista International GmbH
Industries
Energy
Business Areas
Information Technology
Product Development
Strategy
  • Strategically and operationally built a new Product Management – Modular Core Service department with personnel responsibility

  • Squad Leader and Product Owner for an international innovative digital service in an agile development environment

  • End-to-end responsibility and development of digital services with a customer-centric approach

  • Defined and created a product vision and product strategy

  • Defined the product backlog and aligned with stakeholders within the group

  • Analyzed and conceptualized a new strategic business model option using Lean Startup methodology

  • Conducted market and potential analysis and developed new digital services

  • Identified and defined key topics for the product roadmap

  • Collected and consolidated standardized and customer-specific requirements for the core services

  • Defined and created a modular product architecture (microservices)

  • Defined and introduced a new company-wide service development process

  • Further developed the product strategy

  • Developed a new digital product in the energy service sector across the entire value chain for multiple core markets with more than 10 people in the core team and over 70 in the development teams

  • Built and established a new Product Management service department

  • Supported the company-wide digital transformation process

  • Developed and introduced a new group-wide service development process in an interdisciplinary team

Jul 2018 - May 2019
11 months
Essen, Germany

Senior Project Manager / Program Manager

ista International GmbH

Expertise details
Position Summary
Senior Project Manager / Program Manager at ista International GmbH
Industries
Utilities
Business Areas
Information Technology
Product Development
Project Management
  • Responsible for the development program of a new gateway family: hardware and electronics development
  • Comprehensive implementation of the new gateway family into the company's IT environment
  • Planning, coordination, and control of program progress and budget, reporting to the executive board
Nov 2017 - May 2018
7 months
Greven, Germany

Head of Product Management

Wilken Neutrasoft GmbH

Expertise details
Position Summary
Head of Product Management at Wilken Neutrasoft GmbH
Industries
Energy
Business Areas
Product Development
Strategy
  • Responsibility for managing the software product portfolio for the energy industry: billing, ERP, CRM, archiving, portals and business analytics
  • Strategic and operational set-up of a new product management division
  • Formation of a product management team (6 people)
  • Defining tasks and implementing processes
  • Defining interfaces with consulting, development and sales departments for the energy industry
  • Identifying and aligning key topics for the 2018 roadmap
Nov 2014 - Oct 2017
3 years

Senior International Product Manager

ista International GmbH

Expertise details
Position Summary
Senior International Product Manager at ista International GmbH
Industries
Energy
Real Estate
Business Areas
Marketing
Product Development
Project Management
  • International product and portfolio management for the Heat, Water, Detect & Protect and Communication System segments in the energy and real estate industry

  • International hardware and service roadmap

  • Definition and implementation of processes in Corporate Marketing & Business Development

  • International introduction of new products and energy services for the real estate industry

  • Development of a smoke detector strategy for Germany together with regional marketing

  • Program management and Project Management Office (PMO)

  • Development of a go-to-market concept for a product innovation

  • Digital transformation: exploration of new service ideas and design of a framework for future service data requirements

  • Participation in the due diligence process ista/CVC

  • Development and establishment of an internationally integrated hardware and service roadmap

  • Analysis and development of a market entry strategy for a European market

  • Project management for the smoke detector strategy

  • Development and introduction of new international services

Sep 2007 - Oct 2014
7 years 2 months

International Product Manager

ista International GmbH

Expertise details
Position Summary
International Product Manager at ista International GmbH
Industries
Utilities
Business Areas
Product Development
Project Management
Strategy
  • International product and portfolio management for the group

  • Development of an international radio product strategy for foreign markets

  • Overall project management for products (end-to-end responsibility): international radio system, product portfolio for the USA and new services for various international markets

  • Sub-project management in the development of a new device generation

  • Development of an international radio product strategy

  • Topline growth effect through projects like the international radio system and various new services

  • International roll-out of the "symphonic 3 radio net" radio system

  • Establishment of an international requirements management tool

Dec 2005 - Aug 2007
1 year 9 months

International Product Manager

ista International GmbH

Expertise details
Position Summary
International Product Manager at ista International GmbH
Industries
Utilities
Business Areas
Product Development
Strategy
  • Analysis and establishment of a new strategic business field for smoke detectors
Oct 2002 - Nov 2005
3 years 2 months
Essen, Germany

Product Manager Heat Cost Allocators

Viterra Energy Services GmbH

Expertise details
Position Summary
Product Manager Heat Cost Allocators at Viterra Energy Services GmbH
Industries
Energy
Business Areas
Product Development

Industry Experience

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

Experienced in Energy, Utilities, and Real Estate.

Energy
Utilities
Real Estate
Profile match chart

Business Area Experience

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

Experienced in Product Development, Strategy, Project Management, Information Technology, Operations, and Marketing.

Product Development
Strategy
Project Management
Information Technology
Operations
Marketing
Profile match chart

Summary

Managing Director and Business Consultant: Managing Director (Chief Operating Officer) with P&L responsibility in the holding of a corporate group (Officium GmbH) as well as at 13 portfolio companies with about 500 employees. Entrepreneur and change manager. Business consultant for strategic and operational topics in the energy and real estate industries. Excellent experience in PMI (Post Merger Integration) and in the further development, standardization, and harmonization of scalable services and business processes.

Product Management / Business Development: Almost 20 years of experience in international product management and business development in the energy and real estate sectors. Experienced in developing innovative digital services using the Lean Startup, Design Thinking, Scrum / Scaled Agile Framework (SAFe) toolset. Sales development for new and existing customers.

Program and Project Management: International program and project management including budget responsibility in the USA, China, France, and Denmark, from product development to full implementation and roll-out in various markets.

Skills

  • Jira
  • Confluence
  • Microsoft Office (Word, Excel, Powerpoint)
  • Ms Project In Constant Use
  • Basic Sap Erp Knowledge
  • Basic Hfm Knowledge
  • Knowledge Of Scaled Agile Framework (Safe)
  • Scrum
  • Lean Startup
  • Project And Program Management (Agile / Traditional)
  • Work Experience In All European Countries, Usa, China, And Brazil

Languages

German
Native
English
Advanced

Education

Oct 1994 - May 2002

University of Duisburg-Essen

Diploma in Business Administration · Business Administration · Essen, Germany

Oct 1993 - Oct 1994

University of Duisburg-Essen

Mechanical Engineering · Essen, Germany

Aug 1990 - Jul 1993

Technical Secondary School Dorsten

University of Applied Sciences Entrance Qualification · Metal Technology · Dorsten, Germany

Certifications & licenses

ESG certification according to the GRESB standard

Statistics

Experience

Total positions 10
Experience in Energy 13.5 y
Avg length 2 y 3 m
Longest experience 7 y 1 m

Global Experience

Countries worked in 1 (Germany)
Primary country Germany

Expertise

Recent roles Owner / Business Consultant, Managing Director / Chief Operating Officer, Head of Business Development, Member of the Management Crew
Main industries Energy, Utilities, Real Estate
Main business areas Product Development, Strategy, Project Management

Qualifications

Certifications earned 1

Profile

Created
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Frequently asked questions

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

Where is Jan-Christoph based?

Jan-Christoph is based in Mülheim an der Ruhr, Germany.

What languages does Jan-Christoph speak?

Jan-Christoph speaks the following languages: German (Native), English (Advanced).

How many years of experience does Jan-Christoph have?

Jan-Christoph has at least 23 years of experience. During this time, Jan-Christoph has worked in at least 9 different roles and for 6 different companies. The average length of individual experience is 2 years and 4 months. Note that Jan-Christoph may not have shared all experience and actually has more experience.

What roles would Jan-Christoph be best suited for?

Based on recent experience, Jan-Christoph would be well-suited for roles such as: Owner / Business Consultant, Managing Director / Chief Operating Officer, Head of Business Development, Member of the Management Crew.

What is Jan-Christoph's latest experience?

Jan-Christoph's most recent position is Owner / Business Consultant at Wiemann Consulting.

What companies has Jan-Christoph worked for in recent years?

In recent years, Jan-Christoph has worked for Wiemann Consulting, Officium GmbH, suportica GmbH (energieweit group), and ista International GmbH.

Which industries is Jan-Christoph most experienced in?

Jan-Christoph is most experienced in industries like Energy, Utilities, and Real Estate.

Which business areas is Jan-Christoph most experienced in?

Jan-Christoph is most experienced in business areas like Product Development, Strategy, and Project Management. Jan-Christoph also has some experience in Information Technology, Marketing, and Operations.

Which industries has Jan-Christoph worked in recently?

Jan-Christoph has recently worked in industries like Energy and Real Estate.

Which business areas has Jan-Christoph worked in recently?

Jan-Christoph has recently worked in business areas like Strategy, Information Technology, and Product Development.

What is Jan-Christoph's education?

Jan-Christoph attended University of Duisburg-Essen for Business Administration.

Does Jan-Christoph have any certificates?

Jan-Christoph has 1 certificate: ESG certification according to the GRESB standard.

What is the availability of Jan-Christoph?

Jan-Christoph is immediately available full-time for suitable projects.

What is the rate of Jan-Christoph?

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

How to hire Jan-Christoph?

To hire Jan-Christoph, click the Meet button on the profile to request a meeting and discuss your project needs.

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Market avg: 750-910 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.