Jan-christoph Wiemann
Owner / Management Consultant
Experience
May 2025 - Present
3 monthsMülheim, Germany
Owner / Management Consultant
Wiemann Consulting
- Independent management 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 yearsPegnitz, Germany
Managing Director / Chief Operating Officer
Officium GmbH
- Managed the Officium GmbH holding with P&L responsibility for the group
- Oversaw billing, contracts, field service, procurement & supply chain, customer care, ESG reporting
- Managing director at 13 Officium GmbH portfolio companies
- Post merger integration of acquired companies
- Advisory board member at Einhundert Energie GmbH
- Supervisory board member at Thermomess AG (until September 2024)
- Close collaboration with private equity firm Arcus Infrastructure LLP in London
- Defined the company’s strategic position and developed corporate strategy
- Digitalized and standardized scalable business processes across portfolio companies
- Harmonized hardware portfolio and managed strategic suppliers
- Established a shared services center for billing
- Fully restructured portfolio companies and transferred processes to sister companies
- Implemented company-wide policies (including an ESG policy with processes and KPIs)
- Built an ESG reporting system
- Initiated and advanced the change management process within the group
- Represented the company at associations and customer events
- Expanded the customer portfolio
- Established company-wide KPI standards
- Responsible for IT operations
- Conducted due diligence for new M&A activities in operations
- Digitalized scalable process modules within the group
- Established a shared service center for billing
- Harmonized the hardware portfolio
- Fully restructured portfolio companies and transferred processes to sister companies including sale of business units
- Completed an ESG certification under the GRESB standard
- Developed 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 monthsRatingen, Germany
Head of Business Development, Management Crew Member
Suportica GmbH (Energieweit Group)
- Business development
- Built a new business development department with staff responsibility
- Defined the company’s strategic position and refined corporate strategy
- Designed and implemented a new product development process
- Identified and conceptualized new product ideas
- Built competitive and portfolio analyses
- Acquired new customers in the energy and housing industries
- Managed customer projects operationally
- Supported, coordinated and optimized cross-group collaboration on complementary product ideas (consulting, IT development, operations)
- Designed and implemented a new Stage-Gate product development process
- Conceptualized two modular service products (sub-metering and tenant electricity)
Jun 2019 - Dec 2021
2 years 7 monthsEssen, Germany
Head of Product Management / Squad Leader
Ista International GmbH
- Product management
- Strategically and operationally built a new product management department – Modular Core Service with staff responsibility
- Squad leader and product owner for an international innovative digital service in an agile environment
- End-to-end responsibility and development of digital services with a customer-centric approach
- Defined and created product vision and product strategy
- Defined product backlog and aligned with stakeholders across 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 standard and custom requirements for core services
- Defined and created a modular product architecture (microservices)
- Defined and introduced a new company-wide service development process
- Evolved the product strategy
- Developed a new digital service in the energy services sector across the entire value chain for multiple core markets with over 10 core team members and more than 70 development team members
- 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 monthsEssen, Germany
Senior Project Manager / Program Manager
Ista International GmbH
- Products
- 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 controlling of program progress and budget reporting to the board
Nov 2017 - May 2018
7 monthsGreven, Germany
Division Manager
Wilken Neutrasoft GmbH
- Product management
- Managed the software product portfolio for the energy industry: billing, ERP, CRM, archiving, portals, business analytics
- Strategically and operationally built a new product management division:
- Formed a product management team (6 members)
- Defined roles and implemented processes
- Defined interfaces with consulting, development and sales for the energy industry
- Identified and aligned key themes for the 2018 roadmap
Nov 2014 - Oct 2017
3 yearsEssen, Germany
Senior International Product Manager
Ista International GmbH
- Corporate marketing & business development
- International product / portfolio management for heat, water, detect & protect and communication system segments in the energy and real estate industries
- International hardware / service roadmap
- Defined and implemented processes within the new corporate marketing & business development division
- Led international roll-out of new products and energy services for the real estate industry
- Developed a residential smoke alarm strategy for Germany with regional marketing
- Program management / PMO
- Developed a market entry concept for a product innovation
- Digital transformation:
- Explored new service ideas
- Designed a framework for future data requirements of services
- Participated in ista / CVC due diligence
- Developed and established an integrated international hardware and service roadmap
- Analyzed and developed a market entry strategy for a European market
- Led the smoke alarm strategy project
- Developed and launched new international services
Sep 2007 - Oct 2014
7 years 2 monthsEssen, Germany
International Product Manager
Ista International GmbH
- Products
- International product / portfolio management for the group
- Developed an international wireless product strategy for foreign markets
- End-to-end project management: international radio system, product portfolio for the USA, new services for various international markets
- Sub-project lead for a new device development
- Developed an international wireless product strategy
- Generated topline growth from international radio system and various new services to complement the core business
- Rolled out the “symphonic 3 radio net” system internationally
- Established an international requirements management tool
Dec 2005 - Aug 2007
1 year 9 monthsEssen, Germany
International Product Manager
Ista International GmbH
- Marketing
- Analyzed and established a new strategic business area (smoke alarms)
Oct 2002 - Nov 2005
3 years 2 monthsEssen, Germany
Heat Cost Allocator Product Manager
Viterra Energy Services GmbH
- Products
Summary
Managing Director (Chief Operating Officer) with P&L responsibility in the holding of a corporate group (Officium GmbH) and 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 development, standardization and harmonization of scalable services and business processes.
Product Management / Business Development: Nearly 20 years of experience in international product management / business development in the energy and real estate industries. Skilled in developing innovative digital services using Lean Startup, Design Thinking, Scrum / Scaled Agile Framework (SAFe). Sales development for new and existing customers.
Program and Project Management: International program and project leadership including budget responsibility in the USA, China, France and Denmark from product development through full implementation and roll-out in various markets.
Languages
German
NativeEnglish
Advanced Education
Oct 1994 - May 2002
University of Duisburg-Essen
Diplom-Kaufmann, Energy Industry, Marketing & Trade · Economics · Germany
Oct 1993 - Oct 1994
University of Duisburg-Essen
Mechanical Engineering · Germany
Aug 1990 - Jul 1993
Fachoberschule für Technik Dorsten
Advanced Technical College Entrance Qualification · Metal Technology · Dorsten, Germany
Certifications & licenses
ESG Certification under the GRESB Standard
GRESB
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