Michael Majewski, Master of Science, joined S.A.T. concepts in 2019 and became Managing Director in 2020. As an Interim Manager or Senior Consultant, he is responsible for carrying out technology-oriented consulting projects and IT programs.

Michael has had more than 20 years of experience in international and executive positions in the information technology sector. After starting his career at Siemens AG, he then moved to a private equity investor, where he looked after the investment companies as director of the IT taskforce. In particular, this position entailed the support of due diligence processes and the management of carve-out projects.

In his next position, Michael was responsible for the strategic IT realignment, the management of the IT team and the technical operations of an international automotive supplier as CIO and Executive Officer.

In 2016, he made the move to the consulting industry, leading the “Transition & Transformation” business unit and establishing the “Public and NGO” segment at a Munich-based consultancy as a Senior Consultant. In this position, Michael managed a number of ambitious implementation projects in the social economy as a project or program lead.

Michael holds a Master’s degree in business informatics and has all the relevant certifications, e.g.: Prince2, MSP, Cobit, ITIL, Scrum. During the course of his career, Michael has successfully managed a variety of IT carve-out projects, ERP migrations, infrastructure projects and interim mandates.

He has comprehensive specialist knowledge in the fields of information technology, the automotive industry, public services, social economy and international corporations.

Rainer A. Hackenberg holds a degree in engineering (Dipl.-Ingenieur) and has been Managing Director at S.A.T. from 2007 to 2020. After the end of his operational career he joined the newly established Advisory Board of the company in 2021. In this role he supports the further business development in strategic matters.

Rainer Hackenberg has had 40 years of experience in international management and consulting in the information technology sector. During this time, he has been the founder, shareholder, general manager, CIO, or project manager at a number of national or international IT companies. The highlights of his career include the establishment of Hackenberg und Partner Group and the sale of this company to Renaissance Worldwide (Baltimore), his activities as vice president for sales and marketing at Meridea Oy in Helsinki, his position as CIO for KGAL Group in Grünwald and various managing director, advisory board, management board and interim management positions for a number of IT companies in Germany and abroad.

Working as a consultant, Rainer Hackenberg has successfully supervised a number of global system implementations or carve-outs for companies such as Deutsche Bank, Siemens, Deutsche Telekom, Oracle, General Motors, Getronics, Cargill, Hellanor and others.

He has comprehensive specialist knowledge in the fields of information technology, banking/leasing, automotive, insurance, trade, public services, social industry and international corporations.