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Management board

Dr. Stefan Wolff, Chief Executive Officer of 4flow (CEO)
Dr. Stefan Wolff, CEO and co-founder of 4flow, is responsible for 4flow software and 4flow research.  Alongside this, he is a voluntary member of the executive board of the German logistics association BVL International and adjunct professor at Jacobs University Bremen. Since 1990, Dr. Wolff has worked as a consultant for large and midsize global companies in the field of supply chain management.


Kai Althoff, Chief Operating Officer of 4flow (COO)
As a co-founder of 4flow, Kai Althoff is responsible for the 4flow consulting, 4flow management and marketing units. In this capacity he oversees the operations side of the company. After completing his international education, he managed large industrial engineering projects for a global management and supply chain consulting firm with an emphasis on the automotive, aviation, consumer goods and software industries. 


Stephan Kappel, Chief Financial Officer of 4flow (CFO)
In his role as CFO, Stephan Kappel is responsible for key functions including Finance, Accounting, and Human Resources among others. Kappel has many years of experience managing and developing international corporations. Additionally, he has numerous years of consulting experience as project manager at Deloitte in Germany and the United Kingdom.


Supervisory board

Wolf-Dietrich von Helldorff, Chairman of the Supervisory Board
Mr. von Helldorff has been a member of the supervisory board at 4flow since 2009; in 2012, he was appointed chairman. He spent 45 years with Kuehne + Nagel in several capacities. From 1993 to 2004 he was a member of the German management board and in this regard chief representative of Kuehne + Nagel. He was responsible for the airfreight and exhibition divisions. Mr. von Helldorff was chairman of the specialist committee at the Association of German Freight Forwarders and Logistics Operators from 1997 to 2010 and is currently president of the Aircargo Club Deutschland (ACD).  


Christian Berner, Supervisory Board Member
Christian Berner has been a member of the supervisory board at 4flow since 2013. Prior to this, he was the chief executive officer of Lekkerland, based in Germany, for 11 years. Prior to this position, he spent 13 years with Kuehne + Nagel in Hamburg, Germany as a member of the executive board and as their chief financial officer. Moreover, he currently is executive chairman of the advisory board at LR Health & Beauty Systems GmbH, Ahlen; chairman of the advisory board at Bruhn Spedition GmbH, Lübeck; supervisory board member at Klöpfer & Königer GmbH & Co KG, Garching; board member at Apetito Catering GmbH & Co KG, Rheine; supervisory board member at Apetito AG, Rheine; supervisory board member at Foris AG, Bonn; member of the board at Papyrus AB, Göteborg; co-investor at Triton; and member of the executive board and chief financial officer of BVL International. 


Dr. Hans-Robert Greim, Supervisory Board Member
Dr. Greim has been a member of the supervisory board at 4flow since 2012. Previously, worked for the BMW Group in various departments and management capacities (logistics, IT, finance, construction, and facility management) over the course of a more than 25-year career; from 2002 to 2007 he was a member of the plant management at the BMW plant in Leipzig, Germany. Dr. Hans-Robert Greim is also a partner of MEDCON GmbH, and volunteers for a variety of organizations in academics and the private sector. Dr. Greim has also authored and co-authored several publications and reference books, and has given numerous lectures.

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