"With ROI we are united by an intensive and very trusting cooperation of about 10 years. In particular, I appreciate the high level of expertise and the great dedication of the consultants."
Dr. Herbert Diess, former Board Member Research & Development, BMW AG
"ROI has been a major help in redesigning PEP in the rail vehicle systems business. This demanding advisory role requires sound knowledge and, above all, a very good concept."
Dr. Albrecht Köhler, Member of the Board, Knorr-Bremse SfS GmbH
"We are very satisfied with the results. The concept already shows that a short and efficient assembly time will be absolutely feasible. We have not determined these results in theory, but very clearly with a 3P workshop."
Elmar Stichlmair, Consultant Engineering Assembly Civil Programs, MTU Aero Engines
"Together with the ROI China team we were able to dramatically improve the material flow in our factory. I particularly value their ability to bridge the gap from idea to realization."
Oliver Gratzel, Head of Business Unit Serial & Industrial / General Manager HKS, Executive Vice President, HOERBIGER Kompressortechnik GmbH
"Our demand to external consultants was very high. Everything had to fit in here: from the know-how of the consultants used in terms of operational excellence, to the way in which the various project teams work together, right through to the remuneration model. ROI has completely met our expectations."
Dr. Ing. Michael Mertin, CEO, Jenoptik AG
"Working with the dedicated ROI consultants quickly showed that we've found the right partner. Despite a tight schedule, we managed to achieve the set goals."
Dr. Wolfgang Hofmann, Managing Director, Fresenius Medical Care Nephrologica Deutschland GmbH / Renal Pharma
"ROI has become a real partner for us who provides competent and customer-oriented support for tricky logistics issues."
Klaus Boog, CFO, CEO Processes and IT, Remmers AG
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