CWS Keyvisual Insights Topics

Our Management

International Management Board

Heiko Karschti

Management Board

Heiko Karschti took over the management of the CWS International GmbH and CWS Business Service GmbH in January 2023, also in the role of  the spokesperson.

As Chief Financial Officer, he has been in charge of Controlling, Accounting, Treasury, Corporate Audit and Corporate Legal since January 2018. 

The economics graduate started his career at Franz Haniel & Cie. GmbH in 1994. Karschti worked both in Haniel Rohr- und Kanalservice GmbH and in the controlling department of the holding company before moving to Haniel Bauindustrie (Xella from 2001) in spring 2000. There he served in various positions – most recently as CFO. 

Uta Bisson

Management Board

Uta Bisson has been part of the Management Board for CWS International GmbH and CWS Business Services GmbH since January 2023. 

She also holds the positions of Chief Transformation Officer (since Jan 2022) and Chief Human Resource Officer (since July 2020) at CWS Group. 

The business graduate started as Human Resource Director HYGIENE at the CWS Group in 2020. Previously, she worked as a management consultant at Rentokil Initial and Theron Advisory Group. Bisson has spent the first 25 years of her career in various positions at DHL, including as CFO and CEO.


Hartmut Engler

Chief Divisional Officer CWS Workwear International

Hartmut Engler joined the CWS Group in March 2021 as Chief Divisional Officer of the Workwear International division. He is also part of the CWS Executive Leadership Team.

Hartmut Engler has more than 25 years of professional experience in the service sector to bring to his new role at CWS. After two years as a member of the Executive Board at the Dussmann Foundation, the engineering graduate was most recently a member of the Executive Board and Chief Digital Officer at Gegenbauer Holding, one of the largest German companies in the facility management industry.

Velina Allerkamp

Chief Divisional Officer CWS Hygiene International

Velina Allerkamp leads the Hygiene Division since September 2021 as Chief Divisional Officer. She thus returned to the CWS Group: in March 2019, she had already taken on the role of Head of Corporate Development at CWS before moving to Haniel Holding, where she accompanied the realignment of the company. Most recently, she was responsible for the Progress segment at Haniel as Investment Partner.

Velina Allerkamp started her career in 2005 in the M&A department of the investment bank Dresdner Kleinwort Wasserstein, followed by seven years in investment banking and strategy consulting, and another seven years at the listed mechanical engineering group GEA Group AG.

Local Management-Team

Henning Siemens

Regional Managing Director CWS Workwear

Henning Siemens has been Regional Managing Director at CWS since January 2020. In this role, he is responsible for workwear in Germany, Austria and Switzerland (DACH region).

Having joined the company in 2005, he initially worked as a project manager in the Key Account department and subsequently held various management positions. Most recently, as Customer Unit Lead, he was in charge of existing customer support in the West/Central region.

Sascha Adjaj

Regional Managing Director CWS Hygiene

Sascha Adjaj has been responsible for Hygiene and Floor Care in the German CWS management since January 2022.

He joined the company in 2010, initially as Sales Director at CWS-boco Germany. In 2021, he took over central tasks as Divisional Marketing & Sales Director at CWS International.

Markus Schad

Regional Managing Director CWS Cleanrooms

Markus Schad has been the Managing Director responsible for Cleanrooms at CWS since January 2019 and is a member of the CWS Executive Leadership Team.


Markus Schad joined the company in June 2018. Previously, he had worked successfully for over 15 years in a number of companies and in various positions in the cleanroom and textile industries.

Dr. Ulrich Schild

General Manager CWS Fire Safety

Dr. Ulrich Schild assumed responsibility for Fire Safety at CWS in July 2018. Additionally, he is a member of the CWS Executive Leadership Team.


He holds a doctorate in Economics and has been with the company since 2017. Initially, as Group Director of the Integration Management Office, he oversaw the merger of the joint venture. He was previously employed at Franz Haniel & Cie. GmbH for almost six years, most recently as Head of Strategic Planning and Controlling.

Carsten Best

Managing Director Healthcare

Carsten Best leads the German branch of CWS Healthcare as General Manager Healthcare since August 2022. He gained first experience with the company in the position of Director Sales/Marketing and International Coordination at CWS Germany from 2004 to the end of 2006. He has many years of experience in his field and has previously worked for companies such as Rentokil Initial, ISS and Berendsen.