+49 2408 146 95 25 info@aa-procon-group.com

Ulrich Werntges
Commercial Director

Ulrich Werntges grew up on his father’s side with a mechanical and apparatus engineering company and studied mechanical engineering and welding.

After completing his studies, he first worked in sales of industry-related services and then joined a well-known management consultancy.

He founded PROCON GmbH in the early 1990s and has been specializing in acquisition, key account management and the provision of expert recruiting solutions for about 25 years.

He has a wealth of experience as an entrepreneur and businessman.

As Commercial Director he is responsible for key account management and sales.

In addition, he focuses on recruiting candidates in close cooperation with PROCON’s team of experts.

Dr. Dirk Mattig
Software Architect

Dr. Dirk Mattig has worked for over 20 years as a software architect and technical team leader in projects for the design and development of business-critical and distributed systems in the Java software ecosystem.
After studying mathematics, he gained experience as an employee and freelancer in the financial services, energy supply and public administration sectors at a medium-sized software company, in energy trading for a DAX-30 corporation and at a federal authority.
In various projects with often distributed and English-speaking teams, he assumes roles as a supporter, developer, tester, trainer, technical team leader, software architect and enterprise architect.
His current areas of interest are modern architectural concepts and complexity reduction.

Dr. Daniel Held
IT Security Consultant

Dr. Daniel Heldt advises international companies on the design and implementation of security-relevant products as well as on problem solutions for information security.

He also supports the manufacturers of the products or the suppliers of components in Common Criteria certifications of IT products.

As a former technical responsible person and long-time software developer for products in the field of ID documents, Dr. Heldt has complex experiences on all levels. This includes technical and organizational measures from the hardware-related implementation of cryptography to the planning of nationwide solution landscapes. 

The ability to communicate efficiently with persons of different hierarchical levels as well as with inhomogeneous technical expertise and to act as a translator between them is one of the strengths within his field of activity.

As a graduate and doctor of mathematics, Mr. Heldt has the ability to quickly familiarize himself with large and complex contexts and looks forward to supporting you in your problems with commitment and high competence in German or English.

Dipl. Wirtsch. – Ing., MBA Frank Appelt
SAP Logistics Consultant

Frank Appelt has been working in the SAP environment worldwide for over 20 years as a consultant, team leader, scrum master or project manager.   

In many companies and projects he has not only introduced SAP systems in named roles, improved them and integrated them into existing system landscapes, but also introduced the latest processes with participants and adapted them to the respective requirements.

His knowledge covers all SAP logistics modules, including APO and IBP, as well as related system components such as WMS, shop floor, middleware, etc.

Marcus Lube
Management Consultant

Marcus Lube studied law, economics and economic history in Germany, France and Switzerland with several master degrees.

After his studies he founded a company with partners focusing on behavioral management consulting. His scope of application ranges from communication training to management and organizational consulting to executive coaching at board level.
After numerous international industrial projects in the automotive, telecommunications, IT, construction, tourism, banking and chemical industries, he expanded the company with branch offices in France, Belgium, Italy, UAE and Algeria.

A post-graduate MBA in international business law led M. Lube to Harvard Law School and the University of St. Gallen. M. Lube completed training as a ZBB Certified Company Education Consultant according to the AZAV and was certified as a PMP according to the international PMI standard. At Harvard Business School, M. Lube completed his repertoire with the “Negotiation Mastery” certificate.

Global project experiences led to mostly long-term cooperation with well-known industrial companies. M. Lube is an alumnus of the private University of St. Gallen, Ancien Elève Grande Ecole of the ENA, Paris and an alumnus of the PIL Program of Instruction of Lawyers of the HARVARD LAW SCHOOL, Cambridge, MA, USA.

M. Lube is business fluent in written and spoken English and French and speaks fluent Spanish and Italian.


Olga Skrebec, M.Sc.
Business Psychologist

Olga Skrebec holds a Master’s Degree in Business Psychology from RUB Ruhr-University Bochum where she was trained by leading management- and aptitude diagnosticians such as Prof.Dr.Dr. H. Wottawa and Prof.Dr. Rüdiger Hossiep.

During her studies O. Skrebec already worked for several consulting companies in the practical application of competences in business psychology as well as for university-based public-private joint ventures with industrial companies for research purposes in the management sector. In this way, she has been able to gradually develop her expertise in the fields of competence observation, inspirational forms of learning and psychometric analytics of personality potentials, and to contribute to the method-innovation by bringing in her expertise in connection with her plentiful advisory experiences of the PMG team.

O. Skrebec is significantly involved in the implementation of innovative strategies and the creation of competence development tools that can be applied in management practice. She leads the interconnectedness of science and on-hand advise to a continuously self-improving Management-Development-Architecture in service of customer challenge. O. Skrebec speaks fluent English and French as well as Russian as a native language.


Zedernweg 9
52076 Aachen
Tel.: +49 2408 146 95 25
E-Mail: info@aa-procon-group.com

Office hours

Mo-Fr: 8 - 18 Uhr, Sa: 9 - 13 Uhr

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