Petra Carl

Phone: +49 (0)170 861 65 04
Email: p.carl@senator-partners.de
Functional expertise: Human Resources
Special expertise: Labor law, HR process optimization

Petra Carl is a fully qualified lawyer specializing in labor law. She has been working in human resources for 20 years and learned her craft from the ground up, heading up HR departments in various companies and consistently developing them in line with the challenges of the labor market in recent years. As a long-standing human resources manager in the fashion and lifestyle industry, she has in-depth knowledge of HR processes. Her expertise covers the entire employee life cycle.

The five key areas of her further development are employer branding, candidate journey, social media-based active sourcing, direct approach, and strategic talent relationship management.

At SENATOR, Petra Carl is responsible for HR process optimization. She offers the following services for your HR department:

Customized, forward-looking HR solutions
Support and guidance for transforming your current human resources system into a state-of-the-art system
Development of 'HR 4.0', with particular emphasis on its five key areas

Dr. Andreas Dubois

Phone: +49 (0) 33731 320 160
Email: a.dubois@senator-partners.de
Industry expertise: Agribusiness,renewable energies/energy industry,mechanical engineering

Functional competencies: Research and development, production, marketing & sales

After studying mechanical engineering in Eastern Europe and obtaining a doctorate at a leading research institute in Germany, both with a specialization in agricultural engineering, Andreas Dubois spent his entire professional life in management positions in medium-sized agribusiness companies, where he was responsible for finance, operations/production, HR, and IT.

In more than 25 years on executive boards and in management positions, he has gained cross-industry expertise in the fields of agriculture, construction machinery, agricultural technology, and renewable energies. His work focused on managing, optimizing, and developing business areas and companies, implementing growth strategies, and designing M&A processes in various phases of the company's development. New technologies, e.g., in smart and precision farming, RFID, or farm management and CRM systems, as well as innovative solutions such as automated process control systems, played a central role in each case.

Andreas Dubois is our partner not only in Germany, but also has excellent contacts and networks in Eastern Europe and supports clients from the AGRIBUSINESS sector with a particular focus on agricultural technology (AgTech and start-up companies), MACHINE ENGINEERING with a focus on agricultural and construction machinery, and ENERGY MANAGEMENT / RENEWABLE ENERGIES with a particular specialization in Power to X.

In these industries, he specializes in filling technical and commercial management positions at levels 1 and 2, as well as positions for highly specialized professionals, e.g., in the field of R&D.
Andreas Dubois' clients include companies from a wide range of industries, including automation and electrical engineering, mechanical and plant engineering, research and development with engineering, trade and services, and private equity.
His clients particularly appreciate his systematic approach and his ability to implement his mandates quickly and with a high level of commitment.

His motto in life and work can best be described by a quote from Hermann Hesse: "To make the possible happen, you must repeatedly attempt the impossible."

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Bernd Erhardt

Phone: +49 (0) 9548 9838660
Mobile: +49 (0) 173 7245243
Email: b.erhardt@senator-partners.de
Industry expertise: Trade & services, IT & software, automation
Functional expertise: Sales, executives
Special expertise: Packaging

"You have to move with the times, otherwise you'll be left behind."
This guiding principle shapes Bernd Erhardt's work—and at the same time describes his ability to recognize changes early on, shape them in a targeted manner, and implement them consistently.

As a personnel consultant at SENATOR Partners , Bernd Erhardt SENATOR Partners over 30 years of sales, marketing, and management experience to the table—a solid foundation for successfully filling positions that are considered particularly demanding or challenging.

His industry expertise covers retail and services, IT and software, automation, mechanical and plant engineering, and medical technology. He has particularly deep roots in the packaging industry, which he has worked with closely for many years. He also has extensive expertise in the field of human resources development.

His broad spectrum of industry knowledge stems from his many years of experience as a sales manager in the retail sector. In this role, he supported well-known companies and franchise systems in structured development, operational business, and the effective implementation of sales measures. This also gave him a deep understanding of change management—a topic that has been a recurring theme throughout his professional career.

Bernd Erhardt later took over the management of a marketing group, focusing on data-driven marketing, online business, IT, and CRM systems. Here, too, the focus of his work was on sales effectiveness, digital processes, and sustainable structures.

He brings with him a special skill set that is rare in HR consulting, gained from his many years of experience as a sales and management trainer and coach. Over the years, he has accompanied several thousand participants in practical training programs—always with a close connection to the day-to-day business of clients and employees. These were not one-off measures, but long-term personnel development programs in which he often accompanied candidates from the application process through onboarding to their active role in the company. A key component of this was the use of aptitude testing, diagnostic workshops, and assessment centers. This allowed him to directly observe and evaluate the "before and after" effect—a valuable experience that he now brings to his work as a consultant.

The broad understanding of the industry that distinguishes him today also stems from his more than ten years of experience as a trainer and management consultant—particularly in small and medium-sized businesses and family-run companies. Over 100 long-term mandates and training programs have given him deep insight into the cultural characteristics, management philosophy, and entrepreneurial DNA of a wide variety of organizations.

Bernd Erhardt combines in-depth experience with clear analysis, professional expertise, and human empathy.

Mr. Bernd Erhardt most recently supported the following positions and successfully filled them as part of exclusive consulting mandates:

Head of Sales
Head of Marketing
Head of Internal Sales

branch manager
Vice President of Sales
Sales Manager
work supervisor
Head of IT
Key Account Manager

Many positions were filled multiple times in different industries.

Further reference projects available on request.

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Norma B. Henning

Phone: +1 (239) 821-6504
Special expertise: International recruitment

Norma Brenne Henning is an experienced expert in immigration law, business consulting, and international investment. She assists companies, investors, families, and entrepreneurs with travel planning, obtaining residence and work permits, and settling in the United States. She represents her clients in proceedings before the United States Citizenship and Immigration Service (USCIS), in visa applications at US consulates worldwide, and in matters before Customs and Border Protection (CBP).

As a civil law notary in Florida, she has in-depth knowledge of the legal framework in codified legal systems and assists foreign investors, families, and individuals with complex real estate transactions in the United States.

In the area of family immigration, she develops customized solutions to enable non-US family members to reside or settle permanently in the US, always in compliance with applicable immigration laws. In the area of business immigration, she advises companies and investors on the best visa and residency strategies, particularly for investor visas (E visas, EB-5 green cards), intracompany transfers (L visas, EB-1 green cards), and visas for highly skilled professionals and individuals with extraordinary abilities (O visas, EB-1 green cards). In addition, she assists her clients with naturalization and citizenship applications.

Ms. Henning studied law (Juris Doctor) at the University of Florida College of Law and earned a Bachelor of Arts in Journalism from Troy University in Alabama. She was admitted to the Florida Bar in 1996, licensed as a Civil Law Notary in Florida in 2002, and admitted to the Minnesota Bar in 2022. She is a member of the American Immigration Lawyers Association (AILA), the Florida and Minnesota Bar Associations, and the Collier County Bar Association in Florida.

In 2003, the German Foreign Office appointed her Honorary Consul for West Florida, a position she held for 18 years. In this role, she supported the German Consulate General in Miami in diplomatic and administrative matters.

In addition to her work in immigration law, Ms. Henning is involved in German-American economic development. She is a board member and vice president of the Minnesota Chapter of the German-American Chamber of Commerce of the Midwest (GACC-Midwest) and a member of the Leadership Committee of the German-American Chamber of Commerce of the South (GACC-South) and the French-American Chamber of Commerce in Minnesota.

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Claus Hahne

Phone: +49 (0) 174 2718676
Phone: +1 (437) 422 9585
Email: c.hahne@senator-partners.de
Industry expertise: Media (TV, print & digital), Semiconductors, Real Estate/Construction/FM
Functional expertise: Purchasing and Procurement, Supply Chain Management
Special expertise: International Recruitment

Senator Executive Search Partners welcomes Claus Hahne as a new partner

Senator Executive Search Partners is delighted to welcome Claus Hahne as a new partner to the network. Mr. Hahne brings with him many years of international experience in the industrial and media sectors and will be particularly active in the media (TV, print & digital), construction/technical building equipment (TGA)/facility management (FM) and semiconductor industry competence centers.

With his comprehensive expertise, Claus Hahne supports companies in all aspects of HR consulting. His wealth of entrepreneurial experience and broad functional background make him a valued partner in the precise recruitment of experts and executives, particularly in the areas of procurement and supply chain management, as well as at the management level.

After studying business administration with a focus on human resources management and information technology, Mr. Hahne began his career at a medium-sized company in the steel industry. There, he gained valuable experience in sales and purchasing. In the course of his professional career, he held various positions and management roles in purchasing and supply chain management at Siemens AG. At Siemens, Mr. Hahne was instrumental in developing and implementing strategies to optimize procurement processes and was able to achieve significant cost savings through his innovative approaches. He also successfully carried out various projects to increase efficiency in the supply chain, which led to a sustainable improvement in operational processes. His ability to analyze complex problems and develop effective solutions contributed significantly to increasing the efficiency and productivity of the company. In addition, he was responsible for implementing global purchasing strategies that helped strengthen Siemens' competitiveness in international markets.

Before joining Senator Executive Search Partners, Mr. Hahne worked at ProSiebenSat.1 Media SE. In his role, he was responsible for the corporate real estate division and the company's global purchasing function. Under his leadership, numerous projects were implemented to optimize processes and increase efficiency in the areas of procurement and facility management. His expertise enabled the company to realign its purchasing strategies, thereby achieving significant competitive advantages. Mr. Hahne also established sustainable practices and guidelines that contributed to the long-term stability and profitability of the company. His leadership not only improved internal processes, but also strengthened relationships with suppliers and service providers, leading to an overall improvement in the company's performance.

Since February 2024, Claus Hahne has been living in Toronto, Canada, where he uses his international experience to support companies in their search for qualified specialists and executives from Germany and Europe. As a partner, he is also driving forward the strategic expansion of Senator Executive Search Partners in North America. With his comprehensive expertise, intercultural skills, and a robust network on both sides of the Atlantic, he is responsible for establishing and developing the Canadian office. The aim is to facilitate transatlantic recruitment, strengthen international customer relationships, and expand Senator Partners presence Senator Partners the North American market in the long term.

With his knowledge and experience, Mr. Claus Hahne makes a valuable contribution to our partner network.

Motto: "Recognize excellence. Attract top talent. Ensure success."

I identify and recruit the best minds to put your company on the road to success.