Anna Lena Mackenberg
HR Leader | Global HR Business Partner @ Brenntag
About
As an internationally experienced, multilingual HR expert, I combine strategic personnel management with in-depth expertise in transformation processes to successfully guide organizations through change and growth. My focus is on developing high-performing teams, nurturing talent, and creating sustainable structures that meet today’s demands for agility, digitalization, and cultural diversity. In my role as HR Leader | Global HR Business Partner at Brenntag, I serve as a key sparring partner for top management in implementing strategic HR concept - from planning to execution. I cover the entire employee lifecycle and support critical areas such as project management, mergers & acquisitions (M&A), carve-outs, change management, and organizational development. My emphasis is on end-to-end processes: from initial concept to successful implementation. With solid experience in transformation management and change management, I guide organisations through digital and structural changes while fostering a culture that prepares employees and teams for future challenges. I develop tailored solutions for companies undergoing strategic transitions, whether it’s restructuring after mergers, building new business units, or optimising existing structures. Since 2019, I have been offering individual coaching and team development programs as an ICF-certified coach and entrepreneur, helping leaders and teams thrive in dynamic and rapidly changing environments. My focus is on resilience, leadership empowerment, and the sustainable implementation of change initiatives. In my free time I love to actively row on lake or river.
Germany
Essen
Chemicals
Organizational Design, Business Re-organisation, Works Council, Organizational Development, Project Management, Business Transformation, Strategic Planning, Stakeholder Engagement, HR Transformation, Carve-outs, Acquisition Integration, HR Management, HR Operations, Personalplanung, Strategische Führung, Intercultural Relations, Expatriate Management, Team Leadership, HR Marketing, Executive Management
Experience

Founder | Business Coach | Trainer
Coaching Mackenberg
Essen Area, Germany
Accredited Associate Certified Coach (ACC) via International Coach Federation (ICF): https://coachfederation.org/credentialed-coach-finder

Human Resources Leader Central Europe & Member of the German Leadership Team
Düsseldorf
Human Resources Leader responsible for Germany, Switzerland, Austria. Member of the German Leadership Team, procuration, leading a local, nationally and internationally decentralised team.

Human Resources Professional
Droitwich, United Kingdom
HR Business Partner to managers and employees of Doncasters Ceramics Ltd.: - Providing full recruitment service, supporting during the employee life cycle and performing exit interviews - Writing and implementing Policies & Procedures (incl. meetings with the JCC) - Writing the Company Handbook for Doncasters Precision Castings - Deritend - Harmonising the Ts&Cs of Employment over 3 sites (incl. implementation of templates for employment contracts, offer letters and confidentiality agreements) - Leading a project to update the job role and pay rate progression structure for shop floor - Implementing a standardised interview structure with competency based questions and comparable rating system allowing to give individual feedback - Delivering training on “Personal Development Reviews” and “Dignity at Work”

Multi-site Senior Human Resources Business Partner
Multi-site Senior Human Resources Business Partner to the daughter company VR Netze GmbH: - Assist CEOs, managers and employees at all stages of the Employee Life Cycle - Advise, support and coach managers to deal with a range of employee relations matters including disciplinary and grievance, managing performance and capability issues, absence management - Advise and support managers during change programmes (restructuring and redesign), including exit, redundancy and redeployment programmes - Develop effective strategies in line with business goals - Advising on policies and procedures, providing accurate advice on new and existing employment legislation, and maintaining working relationships with the works council - Maintain the local workforce plan – numbers, costs, skills, gaps and potential, providing managers with information to manage their teams, operate efficiently and plan for future needs through appropriate development - Provide a full recruitment service including advertising, recruitment and selection, interviewing, salary negotiations, induction, and appraisal

Human Resources Business Partner in the Corporate Human Resources Department
HR Business Partner in the Corporate HR Department advising employees of technical and commercial departments nationally and internationally: - Manage end-to-end recruitment activities including advertising, selecting, interviewing and employing candidates - Looking at personnel development, performance management, sickness and absence, disciplinary and grievance, in which to advise line managers - Competence Centre for visas, work and residence permits. Coordinating legal and personal issues, when dealing with international employees - Responsible for Inpatriate Management of foreign employees
Education
Anna Lena Mackenberg's Contact Information
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