Ex executive board R. STAHL



The Executive Board of R. STAHL AG consists of Dr Mathias Hallmann und Bernardo Kral.



Dr. Mathias Hallmann


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Dr Mathias Hallmann was born in 1962 in Rheinfelden/Baden. After completing his studies and doctorate in Mechanical Engineering at the University of Karlsruhe, he began his professional career in 1994 as a consultant with McKinsey, from where he moved to Moeller GmbH in 2002 as head of Business Unit Automation (today: Eaton Industries GmbH).

After various management positions in the Böhler Welding Group and the parent company voestalpine, for which Dr Hallmann had been working since 2005, he joined Lincoln Electric in 2013. There he was initially responsible for the strategic development of the business outside the Americas, for which he took over full responsibility shortly afterwards.

On 1 October 2017, Dr Hallmann joined R. STAHL AG as a member of the Executive Board and has been CEO since 1 January 2018. His contract lasts until 2023.

Dr Hallmann is married and has two children.



  • Corporate Finance
  • Corporate Strategy
  • Governance, Risk & Compliance
  • Human Resources
  • Investor Relations & Corporate Communications
  • IT
  • Marketing & Innovation
  • Sales
  • Strategic Procurement


Additional positions




Bernardo Kral

Member of the Executive Board

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Bernardo Kral was born in 1966 in Sao Paulo (Brazil). He studied Mechanical Engineering, Industrial Management, Finance and Strategic Management at universities in Brazil and Digital Transformation & Innovation at INSEAD in France. He started his career in 1990 as production manager at Freudenberg Sealing Technologies in Sao Paulo, from where he moved to Festo Automation Ltd. in the same position in 1995 and two years later to Danaher Corporation. In 2003, Kral took on the position of divisional managing director at Parker Hannifin Corporation, and in 2009, he became managing director of the Americas region at the Voestalpine Welding Group. There he was also responsible for the introduction of the global lean strategy. His further career led him to Lincoln Electric in 2013 as Managing Director of the Brazilian subsidiary, and two years later he became Managing Director and Partner at K-Square Consulting, Sao Paulo, with a focus on restructuring, M&A and transformation management. In 2018, Kral joined R. STAHL AG and took over as head of global production.

Kral was appointed as a member of the Executive Board of R. STAHL AG as of 1 August 2021. His contract lasts until 2024.

Kral is married and has two children.



  • Global Production Sites
  • Lean Management
  • Process Standardisation and Optimisation
  • Quality Assurance


Additional positions

  • None

The Supervisory Board of R. STAHL

R. STAHL's Supervisory Board, which is composed in accordance with Germany's One-Third Participation Act (DrittelbG), consists of six shareholder representatives and three employee representatives according to the Articles of Incorporation. At least three of the six shareholder representatives are part of the families that founded the company. The role of the Supervisory Board at R. STAHL is to appoint the company's Executive Board, monitor it as it runs the company and advise it as needed. Chairman of the Supervisory Board is Peter Leischner.