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We are 10 k.

Silvia Kohlberger

Silvia Kohlberger

  1. Managing Director 10 k
  2. silvia.kohlberger@10k.de
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… loves numbers, processes, and people.

A trained and academically qualified business professional, MBA with focus on Human Resources. Lecturer at the University of Applied Sciences in Ludwigshafen. She brings restructuring experience from her role as Commercial Director of a public company and later moved into our industry as Commercial Director of the former global market leader. In transformation processes, she creates structure and provides stability, not only for companies but, with her heart in the right place, also for every employee.

Authentic, hands-on, professional, structured, and genuinely personable.

In the middle of her 10,000 working days: highly experienced, full of energy, and with plenty of ambition for what lies ahead.

Stefan Detzel

Stefan Detzel

  1. Managing Director 10 k
  2. stefan.detzel@10k.de
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What happens next when no one knows what happens next?

Stefan loves people and ideas. He is oriented, forward‑looking and focused on shaping, involving and implementing. He is very experienced: studied Social Work and Business Administration, then worked in youth services, streetwork and community development. Since the 1990s he has been implementing new concepts to combat unemployment. For almost 30 years he has been active in countless contexts, driving concept development, cooperation and participation in challenging corporate situations. He is an expert in labor market and employment policy.

He can work with almost everyone, from board members to employees on the shop floor.

And he is grateful to be able to shape the later phase of his 10,000 days of working life independently as an entrepreneur.

Christina Wolk

Christina Wolk

  1. christina.wolk@10k.de
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Indispensable for 10 k.

For almost 20 years, she has worked with the managing directors of 10 k. She knows (almost) everything.

The good balance between work and family enables her to be part of the company in every phase of life – as a reliable support with power of attorney and responsibility.

Efficient, loyal and always with an open ear!

On January 1st, 2026, she celebrates her 6,474th working day. As said, she’s precise

Helene Bauer

Helene Bauer

  1. helene.bauer@10k.de
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… works together with the team at the interface between clients, participants and colleagues.

With strong organizational talent and a structured approach, she keeps an overview even when handling multiple tasks and ensures that everything runs smoothly.

Helene enjoys discovering new workflows, turning ideas into action and actively supporting the team.

Reliable, communicative and always with a smile, she brings both professionalism and good energy into everyday work.

She looks forward to many exciting projects and to accompanying people through change.

Holger Bartlick

Holger Bartlick

  1. holger.bartlick@10k.de
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A companion for people shaping their lives. A lifelong learner with passion. A bridge builder between heart and mind in times of change. A creative and conceptual consultant, coach and trainer.

He studied Business Administration and International Business Administration and holds an Executive Master in Lifelong Learning, Knowledge Management and Institutional Change. He trains coaches, trainers and consultants for leading companies around the world.

Holger knows leadership from every perspective, having worked as an apprentice, project manager, department head and managing director.

At 10 k he is primarily active as a master trainer for convincing training concepts and strong consulting.

For him, a working life is not only made up of 10,000 working days. It is also 10,000 heartbeats that make a consulting conversation come alive.

Kerstin Benedikt

Kerstin Benedikt

  1. kerstin.benedikt@10k.de
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… is responsible as project manager for a large transfer project.

Kerstin can be deployed in many ways. As a lawyer and business economist she brings a solid educational background, yet she never tires of continuously developing herself, for example as a coach, trainer, mediator and manager for digital transformation. This enables her to offer clients a high level of expertise and up‑to‑date knowledge.

Her practical experience ranges from specialist functions to leadership roles all the way to serving as Head of HR.

Facilitation is her passion, and when it comes to structure, organization and project management, she is happy to set aside other favorite topics.

Accompanying people and organizations through change is her focus in life, gladly even beyond the 10,000 working days.

Maike Sturm

Maike Sturm

  1. maike.sturm@10k.de
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Maike speaks the language of numbers.

Through her studies in controlling, she can apply her affinity for numbers to make processes measurable and give numbers real meaning.

With Maike, efficiency and warmth come together. The entire 10 k team is grateful for that.

Still within the first 2,000 days of her working life, she has already earned considerable respect and looks forward, with great commitment and enthusiasm, to future and exciting challenges.

Rebecca Bosch

Rebecca Bosch

  1. rebecca.bosch@10k.de
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… shapes her daily work in qualification and academy organization with structure, patience and a strong willingness to help, while never losing her positive outlook.

For the business education graduate, people are always the central starting point. During her time in the education sector, she learned how valuable mindful interaction and individual development truly are.

We spend a large part of our lives at work. For Rebecca, this means one thing: work should bring joy.

Sandra Poremski

Sandra Poremski

  1. sandra.poremski@10k.de
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… speaks for herself:

“Participants in outplacement companies must not feel like just one of many. They are not a number to us.

Each and every person should and will be supported by us in the way they individually need: individual and personal.

I do not want to impose standard programs that do not fit.

In doing so, I work closely with our consultants, clients, employees and the Employment Agency.

As a trained industrial clerk with industry experience in chemicals, IT, and dental wholesale, from corporations to small and medium‑sized companies, I have been working in the outplacement field for over 10 years and have found my calling at 10 k as Head of Transfer Projects.

Competent, reliable and always with a smile on my lips… this is how every working day becomes a good one.”

Julian Both

Julian Both

  1. julian.both@10k.de
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… is passionately committed to networks and employer relations, with a special talent for connecting people. With a fine sense for developments and a clear view of the labor market, he approaches others openly and with great dedication.

Julian grew up in the automotive industry and completed a part‑time degree in Business Administration after his vocational training.

He always has an open ear for the concerns of others and acts with his heart in the right place. Julian is convinced that genuine collaboration and humanity are the foundation for sustainable success. His motto is: “Many hands make light work.”

In his free time, he enjoys spending time with his family, doing sports, reading and traveling.

Marita Weiß

Marita Weiß

  1. Senior Consultant
  2. marita.weiss@10k.de
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Marita is hands‑on, reliable, experienced and full of drive.

She advises companies, works councils, leaders and employees.

A graduate in business administration, long‑standing HR executive in industry, specialist in compensation, operational HR management of a large production site, workforce planning for the entire corporation, process optimization, strategy and shared service, international projects. She has worked for large corporations, consulting firms and as an independent consultant. She has coached and developed managers and employees and led projects to success. She is also active in volunteer work for young people and in development cooperation.

She recharges through sports, cooking, gardening and yoga.

She is delighted to spend the last quarter of her 10,000 days of working life as part of a dynamic, competent team, creating value for clients and their employees.

Ralf Brümmer

Ralf Brümmer

  1. ralf.bruemmer@10k.de
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… is an experienced HR expert, strategic advisor and coach for classic HR and organizational development topics with a particular focus on transformation scenarios and restructuring.

A solid foundation for practical and effective consulting approaches comes from more than 35 years of experience in various HR and leadership roles within the Deutsche Bank Group.

His guiding principle: “Sustainable, successful HR work is not done with the law book under your arm, but with the aspiration to create a fair balance between diverse interests. And this includes, not least, a solution-oriented and consensus-driven approach to employee participation.”

Tina Leibig

Tina Leibig

  1. tina.leibig@10k.de
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… works at the interface between consultants, employees and the internal team.

Trained as a hotel management professional and later completing a degree in business administration, she stands with both feet firmly on the ground. She greatly enjoys meeting new people and supporting them with their individual concerns.

Warm‑hearted, diligent and always up for a laugh.

She looks forward to many exciting working days ahead, each bringing new challenges.

Rainer Niederée

Rainer Niederée

  1. rainer.niederee@10k.de
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… translates ideas and values into concrete action. Makes them tangible and effective where it matters. Brings people along. At 10 k you often meet Rainer when complex programs are being set up or solutions are being developed. Always wherever something new is emerging.

A sociologist of organizations and systems thinker by training. A consultant, project manager, communicator and coach for 20 years. Co‑builder and co‑leader of a leading change consultancy. Has seen many large corporations, mid‑sized companies and public administrations from the inside. Volunteers in organizational development for non‑profit initiatives.

A thoughtful, calming presence you can rely on – with clarity, humor and compassionate lightness.

Will hardly reach 10,000 classic working days. Many of the best ideas for clients emerge while experiencing nature and culture.

Christian Eimannsberger

Christian Eimannsberger

  1. christian.eimannsberger@10k.de
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… has always had a passion for accompanying, guiding and supporting employees throughout their professional journey – in an authentic, goal‑oriented, appreciative and respectful way.

He studied Business Administration in Munich, worked as a lecturer in the social sector and in talent development, and then in a major corporation as a specialist in quality assurance, as head of controlling and as commercial director in IT outsourcing. He brings extensive experience in personnel restructuring and workforce management, most recently as managing director and labor director in the IT industry.

He loves art and culture, enjoys exploring cities, runs often and gladly, sometimes even a marathon. With great energy, he looks forward to using the final fifth of his 10,000 working days to develop and successfully implement new work concepts for the “Silver Generation” within 10 k, helping others find meaningful employment along their way.

Anke Richter

Anke Richter

  1. anke.richter@10k.de
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The mother of the company.

Indispensable. Takes care of everyone and everything.

Straightforward, structured and pragmatic in her thinking. This is where heart and mind come together.

Simply gets a lot done.

Always full of energy at 10 k! She has big plans ahead.

David Fellmende

David Fellmende

  1. david.fellmende@10k.de
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After completing his studies with a focus on digital transformation and corporate management, David began his professional journey at 10 k with great commitment.

Curious and full of energy, he brings fresh perspectives and approaches new tasks with enthusiasm.

At the beginning of his 10,000 working days, David looks forward to many exciting projects and challenges where he can contribute, shape ideas and continue to grow.

Almut Kraft

Almut Kraft

  1. almut.kraft@10k.de
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Which path leads to the goal?

With social education and business studies, she has the right education. Now the most important thing: the heart is also in the right place.

She knows all the issues of finding people for good work (HR consulting for NGOs), developing them (coaching training) and also taking new paths (outplacement and transfer).

Always putting her heart and soul into helping companies and their employees in change situations; very sensitive, empathetic, pragmatic, authentic and therefore convincing.

In the last third of her employment biography, she brings the accumulated (life) experience to bear for 10 k, its clients and employees.

She believes there is a dream job for everyone. Together with her, many people have already found it.

Nora Forster

Nora Forster

  1. nora.forster@10k.de
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… is a project manager and responsible for the 10 k Akademie.

As a sociologist of technology and organization, she is particularly interested in social trends and the future of the working world. As a systemic coach, she also looks at the individual dimension within this context. And she asks questions.

Others describe her as empathetic, focused, pragmatic. She takes initiative. She is proactive.

Standing in the first third of her 10,000 working days, she looks forward to everything that is yet to be shaped. Because: The best way to predict the future is to create it.

Thomas Lehnicke

Thomas Lehnicke

  1. thomas.lehnicke@10k.de
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… brings together what belongs together.

Born on the coast, he soon felt the pull of the wider world and first set out as a seafarer on the world’s oceans. He later connected people and cultures as an organizer of study and adventure trips to Southeast Asia.

Then came the turn of the millennium: He completed a degree in Business Administration with a focus on HR and organization and worked in various roles in the service world surrounding human capital. The Munich local by choice became a seasoned labor market professional.

For more than 20 years he has been accompanying individual career paths and organizational change processes. He serves as a personal contact and close advisor for many across industries, always listening carefully.

His private life: family, dog, travel, sports and good food.

Andreas Geddert

Andreas Geddert

  1. andreas.geddert@10k.de
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… combines structure with integrity, approaches processes from a human perspective and is responsible for the operational area of 10 k.

He studied Business Administration and Management alongside his professional work and has been deeply rooted in labor market topics for more than 20 years. He brings many years of leadership experience in the public sector, most recently as managing director of a job center. He understands the operational reality and challenges faced by organizational units just as well as the political, legal and societal frameworks that shape them. He is particularly strong where things become complex: process optimization, organizational development, employee and leadership development, and the constructive involvement of diverse stakeholder groups.

Curious, authentic, structured and attentive.

Outside of his working days, he finds grounding in craftsmanship and traveling to remote regions.

Lena Hirsch

Lena Hirsch

  1. lena.hirsch@10k.de
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… supports the team as a project assistant with a mix of optimism, humor and clear communication. She has a good sense for people and stays calm even when things become a bit turbulent. She loves structure, organization and creative tasks.

Through her work as an office administrator and executive assistant, she has learned how important clear processes and a reliable structure in the background are. She enjoys working in ways that make things easier for everyone. When something gets stuck, she steps in, thinks along and quickly finds a solution.

For Lena, empathy, reliability and clear words are a matter of course. And in her view, a good joke every now and then never hurts.

Karin Jost

Karin Jost

  1. karin.jost@10k.de
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… loves numbers and helping people. At 10 k she can combine both: analytical thinking and genuine humanity.

Her path has been diverse. She completed a degree in languages, experienced an exciting period of self‑employment and worked for many years in customer support and project management in IT and technical industries. All these stages have shown her how valuable precise communication, structured work and a strong eye for detail are.

Karin always wants to understand how things work. “Knowing exactly” is not just an ambition for her, but a mindset that shapes her daily work.

She is especially looking forward to filling the remaining chapters of her 10,000 working days with purpose and joy, together with people she enjoys working with and on tasks that truly make a difference.

Berit Jürgensen

Berit Jürgensen

  1. berit.juergensen@10k.de
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… is always looking for fascinating new people and their stories, whether big or small. She loves learning new things (“One certificate every year”) and combines fresh insights with what is proven and familiar. She studied political science, has a passion for languages and a strong affinity for Italy.

For more than 10 years she has been immersed in all topics that concern companies and their employees in cooperation or separation. She listens closely to her clients and is eager to see separation culture become a natural part of every employer brand.

At the halfway point of her working life, she looks back with gratitude for everything she has learned and experienced, and she is excited about what is yet to come.

Natascha Kraushaar

Natascha Kraushaar

  1. natascha.kraushaar@10k.de
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… works in the area of job scouting and employer relations. With great energy and a clear, structured perspective, she is committed to connecting people and companies in meaningful and suitable ways.

A particular focus of her work lies in organizing corporate events and diverse networking formats that create opportunities for personal interaction and new professional perspectives.

Natascha is characterized by her fine sense for different needs and situations. She develops individual solutions for individual challenges, always with the goal of enabling genuine development for everyone involved.

Elena Linden

Elena Linden

  1. elena.linden@10k.de
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What makes consulting truly excellent? This question has accompanied Elena for many years. As a systemic master coach, she approaches answers with both theoretical depth and practical relevance.

In her role as Head of Consulting, she is responsible for the quality of consulting services and develops new perspectives to make work more livable.

Fulfillment for Elena means finding solutions together with a multiprofessional team. To advocate intellectually, emotionally and organizationally for those facing externally imposed and decisive turning points in their professional biographies is, for her, not only a privilege but also a human responsibility.

As a mother, Elena especially values the family‑friendly company culture and the feeling of having truly arrived in Speyer, within a team that, guided by strong values and a high sense of responsibility, makes a noticeable difference in the consulting landscape.

Jasmin März

Jasmin März

  1. jasmin.maerz@10k.de
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… supports the team as a junior consultant for projects and the academy.

In operational project management, she coordinates important processes behind the scenes.

At the 10 k Akademie, Jasmin brings lecturers and participants together. As a central point of contact, she ensures that everyone finds the solution that fits their needs.

Committed and flexible, she contributes her strengths wherever they are needed.

Johann Mees

Johann Mees

  1. johann.mees@10k.de
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… combines strategic thinking with clear action in his role as executive assistant. He supports the leadership in setting priorities, preparing decisions and driving projects forward.

He studied Business Administration with a focus on Human Resource Management.

Curious, open‑minded and determined, he listens, connects and makes complex matters tangible.

He feels at home in a team environment. Team sports, especially soccer, shape his mindset: fair, focused and ready to play. Strategic board games are his training for the mind: thinking a few moves ahead while keeping people in view.

At the very beginning of his 10,000 working days and full of drive and anticipation: Johann is eager to actively help shape the future.

Nina Oberhofer

Nina Oberhofer

  1. nina.oberhofer@10k.de
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… is empathetic, communicative and always has an open ear. She loves being in conversation with people – whether in direct exchange or in front of groups. Closeness, clarity and a genuine interest in the person she is engaging with shape her work every day.

Trained as a hotel management professional and certified business economist for event management, Nina combines strong people‑orientation with structured, professional organizational competence. She enjoys holding all the threads together, ensuring clear processes, and is at her strongest wherever closeness to people and precise coordination come together.

The concentration and endurance she finds in swimming flow into her work: focused, powerful, reliable.

10,000 working days – right in the middle rather than just along for the ride. She looks forward to many more working days full of new encounters, tasks and moments in which she can support people and make a difference together.

Florian Spindler

Florian Spindler

  1. florian.spindler@10k.de
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… ensures at 10 k that technology runs reliably. He is the central point of contact for digital questions, keeps processes stable and creates structures that make everyday work easier – calm, attentive and solution‑oriented.

Florian manages the central systems at 10 k, connects technical components into a functioning whole and ensures that all colleagues can work with them safely. In doing so, he keeps requirements in view, clarifies topics with external partners and brings solutions into the team in a way that works in everyday practice – happily with an Excel sheet in the background.

Away from technology, Florian appreciates good food, time with his family and long, sociable evenings with people who matter to him.

He fills his 10,000 working days with what he does well: creating order, making technology usable and finding solutions that last.

Julia Utta

Julia Utta

  1. julia.utta@10k.de
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… serves in her role as Project Assistant as a link between consultants, employees and the project team.

With a completed degree in languages and a Master’s in Border Studies, as well as her expertise in intercultural communication, she is a true expert for interfaces: she connects people, perspectives and areas of work across linguistic and cultural boundaries.

Thanks to her experience in cross‑border collaboration and project work, she keeps an overview even in complex situations and creates a constructive working atmosphere.

Humorous, dedicated and open to new perspectives.

Looking forward to many inspiring working days with exciting projects and enriching encounters.

Tanja Weber

Tanja Weber

  1. tanja.weber@10k.de
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… cares deeply about a positive and appreciative way of working together.

After completing her training as a personnel services clerk, she consciously decided to accompany people on their professional paths and support them in developing new perspectives.

At 10 k, she takes on a central role at the interface between employees, consultants and trainers. With great dedication, she ensures that everyone involved is optimally supported and accompanied.

Even though the symbolic mark of “10,000 working days” still lies ahead of her, Tanja already brings many years of intensive professional and life experience with her.

Miriam Wegmann

Miriam Wegmann

  1. miriam.wegmann@10k.de
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… works at 10 k as a project manager in outplacement and change projects and is responsible for internal recruiting. She brings more than 25 years of experience in the HR field, gathered both as an independent HR consultant and in an international corporation. Miriam combines structured project management with clarity, reliability and human sensitivity.

She accompanies people and organizations with great dedication and at eye level through change and transformation processes.

Around 2,400 of her previous 10,000 working days were spent in China, Singapore, Hong Kong, Switzerland and Turkey. This time continues to shape her international perspective and intercultural competence today.

No surprise, languages and travel are her great passion.

Vera Zimmermann

Vera Zimmermann

  1. vera.zimmermann@10k.de
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Numbers are her home – not only the nice round ones, but also those you have to look at twice. As a certified balance sheet accountant with a focus on controlling, she is not only interested in numbers, but above all in what they reveal to us. Whether forecast or reporting – with her, all data is in the best hands.

For her, customer satisfaction is more than a KPI: she listens, understands and finds a solution for every request – one that doesn’t just shine on paper but truly works in everyday operations.

Privately, her heart beats for her family, sports and singing. This mix creates good vibes that the whole office benefits from – whether they want to or not.

And the best part: even in the last quarter of her 10,000 working days, she is bursting with drive. Exciting projects? Bring them on. Tricky challenges? Absolutely. Because someone who loves numbers this much will certainly never get bored at work.

Network partners

Bundesverband Deutscher Unternehmensberater

Would you like to become part of our team?

10 k Beratung
Stuhlbrudergasse 5
67346 Speyer
+49 (0) 6232 2 98 15 0
info@10k.de