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About me

Dr. Thomas Sonntag-Rösing

I have been managing the engineering firm C4SP for consulting and support in plant and mechanical engineering since 2023.

 

With over 25 years of international experience in energy plant construction, I support companies in making their projects, processes and business models future-proof.
Whether it is offer strategy, project planning or business development – I support you with technical expertise, entrepreneurial understanding and an eye for the essentials.

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Professional Consulting & Support

With technical expertise and strategic entrepreneurial vision, I have made it my mission to support companies in plant and mechanical engineering.

I advise established companies as well as start-ups on business development, sales and bid management and project planning, project management, and the optimization of their corporate structures and processes.

I also enjoy being a speaker or coach in seminars and workshops on topics related to bid management, the specifics of conversion and modernization projects, as well as aspects of business organization and change management.

My Philosophy

My work is based on three central principles:

  • Sustainable optimization of structures, processes, and operational business (business development / sales and project planning but also project management)

  • Effective communication and strengthening team collaboration

  • Long-term strengthening of employees, organizations, and business models

 

I am convinced that technical excellence and entrepreneurial success arise where people, structures, and processes interact effectively!

Career Highlights

Management Responsibilities (Industry Experience Prior to Starting My Own Business)

  • Technical Director R&D Pyrolysis and Gasification Technologies

  • Planning, Construction, and Test Operation of a Biomass Reforming Pilot Plant

  • Project Manager Europe - PEM Fuel Cells and Backup Power Systems

  • Head of Proposal and Project Planning Teams for large-scale turnkey EPC Projects and Environmental Technologies

  • Division Head for Sales, Marketing & Communications, Project Planning, and Cost Estimation

  • Vice President Gas Turbines / Combined Cycle Power Plants Europe

  • Senior Vice President Sales & Proposals with additional focus on strategic business development and order intake planning in Europe

Project Experience (Selection)

  • Large-scale projects in the field of thermal power plants (coal, gas, biomass) - EPC projects

  • Innovative technologies:

Pyrolysis and gasification technologies, hydrothermal carbonization, syngas production, fuel cells and carbon capture technology (CCS/CCU)

  • Future-oriented solutions / Energy Transition Projects:

Fuel Switch projects, electrolysis and hydrogen projects, (large-scale) heat pumps, battery and solid-state heat storage systems, conversion and modernization projects

Further Training, Management and Leadership Programs

To strategically expand my technical and operational experience, I have successfully participated in international

management and leadership programs:

  • Ready to Inspire, Hitachi Ltd., London, 2009

  • MHI Inter-Regional Talent Management Programme, Mitsubishi Heavy Industries, Sydney, 2019

  • Executive Leadership To Go, Mitsubishi Power Europe, Duisburg, 2020

 

These further training programs strengthen my ability to manage complex change processes – both in project management and corporate development.

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