Managing Director | Partner
Jimmie Langham
Jimmie Langham founded the consultancy cruh21 in mid-2021.
The former table tennis league coach studied architecture and urban planning in Karlsruhe, Hamburg and London. After his training, he worked for several years as a freelance project manager for various planning offices.
For the past 15 years, he has been working as a consultant in the energy industry. In 2012, he started in project development offshore wind, where he co-founded the AquaVentus initiative in 2020 as part of his consulting role for RWE Renewables.
As the initiator and managing director of AquaVentus, he headed the coordination office, which in 2021 became the consulting firm cruh21. For cruh21, Jimmie Langham has successfully prepared many concepts, expert reports and funding applications in the offshore and hydrogen sectors. As one of the overall coordinators of the hydrogen lead project TransHyDE, Langham also works at the interface between ministries, licensing authorities, and hydrogen practice, moderating challenging processes in the process.
Main focus
- Advising clients from the energy industry and investors on the development and evaluation of strategies and business models
- Project development for offshore wind and offshore hydrogen generation
- Project management for consulting and research projects on hydrogen production, transport and infrastructure

Career
Since 04/2021
Founder and Managing Director, cruh21 GmbH
10/2020 – 04/2022
Managing Director, AquaVentus Förderverein
11/2019 – 04/2022
Managing Partner, Haus-Halter Architects – Groth, Wyneken & Partner
2012 – 2021
External consultant, RWE Renewables GmbH and E.ON Climate & Renewables GmbH
2011 – 2012
External consultant, HPM Log / Hexcel Composites
2008 – 2011
External consultant, ESP Plankontor / Vattenfall Nuclear Energy
Relevant studies and projects
10/2020 – 12/2021
Management of the AquaVentus support association and project family
AquaVentus coordination offices
Client: AquaVentus Förderverein and project family
2019 – 2020
Energy port Rostock
Project management for clients
Client: RWE Renewables GmbH
2019 – 2020
Project management for the conception and support of the initiative Hy!Rostock
Client: RWE Renewables GmbH
2020 – 2021
Team leader for modeling and studies on hydrogen production platforms offshore
Preparation of a roadmap offshore-to-X
Client: RWE Renewables GmbH, E.ON Climate & Renewables
2017 – 2018
Regulatory, strategy and energy policy
Representation of the client at the BDEW / BWO
Client: RWE Renewables GmbH, E.ON Climate & Renewables
2012 – 2014
Project management offshore wind farm Arkona Basin Southeast
Scheduler, Interface Manager
Client: E.ON Climate & Renewables
2016 – 2017
Bid Management, Offshore Wind Farm Borssele
Client: E.ON Climate & Renewables
2018
Bid Management, Offshore Wind Farm Delta North Sea
Client: E.ON Climate & Renewables
2018
Technical consulting for the preparation of a technical due diligence for Arcadis Ost.
Client: E.ON Climate & Renewables
2015
Project management for dismantling campaign wind masts offshore
Client: E.ON Climate & Renewables
05/2011 – 03/2012
Project management for the expansion of the production cities for composite subcontracting for the aviation industry
Client: HPM LOG
08/2008 – 05/2011
Subproject management at Krümmel nuclear power plant
Client: ESP Plankontor / Vattenfall Nuclear Energy
Contact
Jimmie Langham
cruh21 GmbH
Mob: +49 0160 7143 178
Tel: +49 40 3346553-61
langham@cruh21.com