Faiz Francois Nahab Ph.D.
Chief Executive Officer

Faiz Nahab has over 35 years of executive management experience in company restructuring and expansion. For more than 20 years he served as consultant to major international companies on technical and high technology projects with focus on product sales, marketing and product development. He has a strong background in project management including project finance and control. As entrepreneur Faiz successfully developed a medical infrastructure company and developed an expert team for installing and commissioning of industrial equipment and machinery covering areas such as clean and waste water projects, cement and urea factories. The main business of his companies is based in the Middle East with involvement in country infrastructure construction in partnership with major international partners as MSD, Siemens AG, Carl Zeiss and others.
He still holds various Directorships at companies in the pharmaceutical, medical and technology sector, some of them as CEO and Chairman. Faiz Nahab had academic undergraduate education in Electronics at Southampton, postgraduate PhD at Kent University UK in Electronics and full membership of MIEEE.


Helmut Gierse

Helmut Gierse has over 30 years of international industry experience covering the fields of factory automation, process industry and power generation. His experience comes from his work in R&D, production, sales and marketing.
His expertise has been gained from a range of industry positions at the management level, most recently as the CEO and President of the Siemens Group in Automation and Drive in Germany. Helmut Gierse is currently an independent industry consultant.

Helmut Gierse studied Electronic Engineering at the Universität Erlangen in Germany. He speaks German, English, French and Spanish.

Sebastian Goldner

Sebastian Goldner
Chief Operating Officer

Sebastian Goldner has more than 10 years experience in the design and construction of mobile, marine and stationary fuel cell applications. His experience is based on various leadership positions in sales & marketing, project management and development. Currently, Mr. Goldner is as the Director of Customer Project Management and Service responsible for all customer projects and the customer service.

Sebastian Goldner studied engineering computer science with a focus on electrical engineering at the University of Paderborn. As part of his studies, he completed his diploma thesis at Infineon Technologies in Munich.

Roman Kotlarzewski

Roman Kotlarzewski
Group Finance Director

Mr. Roman Kotlarzewski is an Associate of the Institute of Chartered Accountants in England and Wales. Mr. Kotlarzewski has over 30 years of industry experience including significant private and public company experience also on an international level via financial leadership roles within the Boots Company PLC, Standex International Corporation and BASF AG. Mr. Kotlarzewski occupied the position of CFO Europe at the private company goetzpartners Corporate Finance, was CFO with the startup Carfrogger GmbH and is Director at the Globe Business College Munich.

Mr Kotlarzewski studied Modern Languages and Economics at Northumbria University and speaks English, German and French.

Manfred Limbrunner

Manfred Limbrunner
Director Sales and Marketing

Manfred Limbrunner joined Proton Motor in November 2000 as a design engineer and project manager for various mobile and maritime projects. In his early years he was also in charge of the systems engineering and the homologation of the Fuel Cell Hybrid Systems of Proton Motor. As PM developed further he formed and led the design department, played a significant role in implementing the quality management system and rotated in October 2009 to the product management position, until he was appointed as CTO in March 2011. By November 2016 he took over the newly founded Mobility Business Unit and now he is responsible for the Sales and Marketing at Proton Motor.

Prior to joining Proton Motor, Manfred Limbrunner worked for 5 years in the pulp & paper plant engineering business. His main duties and responsibilities were in the design of complex plant sub assembly groups, supervising their mounting through external suppliers, plant engineering, customer support, supervising the mounting team as well as the project management.

Manfred Limbrunner studied mechanical engineering with a focus on design at the university of applied science in Kempten an started his career at Hoerbiger Fluidtechnik GmbH in 1995.


Remuneration Committee

  • Faiz Francois Nahab Ph.D. (Chair)
  • Roman Kotlarzewski

The Remuneration Committee is responsible for the determination of terms and conditions of service of executive directors.

Audit Committee

  • Helmut Gierse (Chair)
  • Manfred Limbrunner

The Audit Committee is primarily responsible for monitoring the quality of internal control and ensuring the proper measurement of and reporting on the financial performance of the Group as well as for reviewing reports from the Group’s auditor.

Nomination Committee

  • Faiz Francois Nahab Ph.D. (Chair)
  • Roman Kotlarzewski

The Nomination Committee is primarily responsible for reviewing the balance and effectiveness of the Board and identifying the skills needed and those individuals who might best provide them, and shall ensure a formal and transparent appointment procedure of the Board.

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Proton Motor Fuel Cell GmbH
Benzstraße 7
82178 Puchheim

Phone +49 (0) 89 / 1276265-0
Fax +49 (0) 89 / 1276265-99
Mail info@proton-motor.de

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