about us

Markus Hesse is co-founder and Managing Partner at CoThink Germany GmbH. He combines experience as consultant and coach on international projects in a variety of industries for Fortune 500 and mid-sized companies with experience in executive management of international organizations. His core competencies are agile strategies, transformative change programmes and project management. He is member of the executive management at CoThink Germany and Direct Impact Group. Markus educational background includes an M.A. in Business Coaching and Change Management. He is author for the Euro-FH (Hamburg) on change management in CSOs.

Michael is co-founder and partner of CoThink Deutschland GmbH with more than 15 years of experience in skill development and operational improvement. His responsibilities include design, development and optimisation of processes across the corporate sector. He is actively working as a consultant in all aspects of rational thinking processes, strategy and project management. Michael has a high emphasis on process improvement and troubleshooting, particularly in the manufacturing industry. As a former employee of Siemens, he has been familiar with these processes since 1990 and has worked as a consultant on a number of projects around the globe. Due to his industrial experience, combined with the different toolboxes and processes, he is able to create measurable results for nearly all branches of business.

Jan Willem Vernhout (1969) co-founded the CoThink Group in 2008. Today he is managing partner of CoThink bv in the Netherlands and partner of CoThink Germany GmbH. The focus of his work is the optimization of processes in manufacturing and IT. Jan Willem started his career at a major electricity producer. He then worked as a consultant at Datastream Systems Inc., before he worked as a Senior Consultant for Operational Excellence at Kepner-Tregoe (KT). Since 2008, Jan Willem works for CoThink with clients in different sectors to improve earnings by consistently applying rational thought processes.

Ron Vonk is also co-founder, partner and senior consultant at CoThink. With more than 18 years of experience as a consultant and trainer with a particular focus on industrial and IT companies. By training and the practice in the application of the (rational) methods, he helps organisations to improve their performance. After his military service, Ron began his career as a consultant at Rijnconsult. He worked as a consultant for 5 years he was involved in consulting, coaching and training in the field of maintenance management in mainly technical and production departments of large industrial companies. In the following 8 years, Ron worked in various roles for the international consulting firm Kepner-Tregoe (KT). Ron is an author and speaker at public events on process optimization and application of rational thought processes.