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Right people make the difference!

We Attract and Accompany True Leaders for Top and Key Positions.

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+49 (0)711 228610


Sven Hasenwandel Managing Partner

Sven Hasenwandel

Managing Partner

Specific and extensive competence in recruiting specialists and executives for small and medium-sized organizations and large manufacturing companies – Sven Hasenwandel has a wide range of expertise that is based on many years of international experience in HR consulting.

After studying Economics, he gained extensive expertise during his seven-year activity as a partner and branch manager of a renowned Stuttgart-based management consultancy operating throughout Germany. In 2006, he became managing director of Dr. Maier + Partner. Sven Hasenwandel has significantly helped shape the development of the company, and in 2013 he became a managing partner.

His special fields are mechanical and plant engineering, the automobile and electrotechnical industries as well as the IT and services sector.

Heinrich Schaible Managing Partner

Heinrich Schaible

Managing Partner

With over 20 years of experience in executive search, Heinrich Schaible has expert knowledge in recruiting executives on an international and national level.
After his Business and Engineering studies at the Karlsruhe Institute of Technology, Heinrich Schaible held various executive positions in an international group and also gained experience in the management of a technology start-up company. Since 2001, he has been with Dr. Maier + Partner as an HR consultant, and since 2006 he has been the company’s managing director. In 2010, he became a managing partner as part of a successful company succession process.

Heinrich Schaible has extensive consulting experience in the automotive, technology, mechanical and plant engineering, and aerospace industries.  The focus of his professional activity lies on world-wide executive recruiting as well as corporate succession, management assessment, and compensation models for small and medium-sized businesses.

Markus Weber Managing Partner

Markus Weber

Managing Partner

Markus Weber looks back on many years of HR consulting and executive coaching. Due to his leadership experience at international industrial companies his specialist and executive recruiting activity is mainly focused on small and medium-sized companies in the automotive, mechanical engineering, medical engineering and general industries.

He specializes in companies that try to stand out by pursuing a consistent strategy of growth, both in Germany and abroad, based on innovations and a clear technical profile.

In addition, Markus Weber advises executives in their long-term career planning and, as an organization consultant, accompanies businesses and managers through challenging processes of change.

Since January 2013, Markus Weber has been a managing partner at Dr. Maier + Partner.

Dr. Ivo Odak Managing Partner

Dr. Ivo Odak

Managing Partner

Dr. Ivo Odak was managing director at two globally operating medium-sized technology industry leaders and looks back on around twenty years of industrial experience. During that time, he gained extensive knowledge in various fields including the management of small and medium-sized organizations, personnel selection processes, and employee development.

His focus is on worldwide first and second level management recruiting, particularly in manufacturing industries. Ivo Odak consults small and medium-sized businesses in succession-related matters. Other consulting areas he specializes in are strategy and change management.

Since 2017 he has been a partner of Dr. Maier + Partner. In the beginning of 2019 he became a managing partner.

Georg Metzdorf Partner

Georg Metzdorf


Mr Georg Metzdorf has more than 20 years of leadership experience in the HR sector of financial service providers, consultancies, auditing firms and tax firms. Most recently, he was employed as a Global HR Director in a large international scientific publishing house and was responsible for the HR transformation after an international merger. Based on his experience, Mr Metzdorf’s focus lies in particular on filling positions at the first and second levels of companies in the sectors of consultancy, legal consultancy, tax accountancy, auditing, financial services and publishing.

Alongside his role as a partner of the Executive Search department, Georg Metzdorf is also a manager of Dr. Maier + Partner HR Consulting GmbH. In this role, he advises his customers on HR transformations and accompanies transformation processes and leadership issues as an executive coach and trainer. In the context of recruitment or promotions, he provides professional potential analyses.

Robert Sadjak Partner

Robert Sadjak


Robert Sadjak has a lot of experience in identification and developing executives, specialists and talents.

After his successful degree of business administration, he was working 15 years at big international FMCG companies in national and regional roles – 7 years on executive level. Furthermore, he founded and grew a platform start-up in the HR and experience segment. These very different experiences led to a comprehensive view on people and business management.

His segment and client focus at Dr. Maier + Partner is on executive search for the first and second management level for manufacturing industries, FMCGs, grown Start-Ups and Consultancies – very often in an international context. Additionally he consults all size of businesses on growth and digitalization strategies and for brand building topics.

Natallia Riedmann Senior Consultant

Natallia Riedmann

Senior Consultant

Natallia Riedmann benefits from over ten years of experience in executive research. Her main expertise is in the search and precise selection of executives and specialists in various industries.

Since her completion of her studies of Linguistics and an employee study program for Business Administration, Natallia Riedmann has been active in the areas of HR consulting and project management. At internationally renowned consultancies she learned about efficient recruiting methods and validated selection processes, and she built up a tight-knit network. In the past two years, she was in charge of complex mandates, particularly at internationally operating small and medium-sized companies. Since May 2015, she has been supporting the Dr. Maier + Partner team as a senior consultant in the areas of executive search and career consulting/coaching.

Patric Wittmann Senior Consultant

Patric Wittmann

Senior Consultant

Mr. Wittmann has several years of experience in the identification and selection of specialists, young professionals as well as specialists and managers. Already during his dual studies, in the field of Business Administration / Human Resources Management at the Cooperative State University Lörrach, his focus and main activity was on active recruiting/active sourcing.

Patric Wittmann has been a member of the recruiting team at Dr. Maier + Partner since 2017 and deepened his expertise in the systematics of a renowned executive search consulting company. With a proven track record of success, his focus at Dr. Maier + Partner today is on filling demanding positions for specialists and managers in medium-sized manufacturing companies.

Ralf Dittmann Partner

Ralf Dittmann


Ralf Dittmann verfügt über eine langjährige Erfahrung als Vorstand und Geschäftsführer bei namhaften Unternehmen der Konsumgüterbranche und im Automotive Markt. Nach seinem Studium der Wirtschaftswissenschaften zum Diplom-Ökonom übernahm der ausgebildete Bankkaufmann sehr schnell Verantwortung in Leitungspositionen bei stark vertriebsorientierten Unternehmen. 

Herr Dittmann verfügt über eine ausgesprochene Expertise beim Aufbau, der Entwicklung und Führung von effizienten Vertriebsteams. Hier konnte er nachhaltig die Ergebnisse bei Umsatz und Profitabilität verbessern. Zusätzlich ist er spezialisiert in Fragen einer aktiven Marktbearbeitung. Zudem profitieren seine Mandanten von seiner langjährigen Erfahrung bei der strategischen Ausrichtung von Vertriebsorganisationen. 

Seit Januar 2019 unterstützt Ralf Dittmann das Team von Dr. Maier & Partner, insbesondere bei Mandanten, die einen permanenten Bedarf an ambitionierten Vertriebsmitarbeitern und Vertriebsführungskräften haben.