Who we are

The Team

As a well-integrated team of 15 consultants and trainers, we have specialized in particularly effective and sustainable programs in human resource development. Due to our extensive experience, we are familiar with the world of our participants and can give them individual support tailored to their needs.

The experience of each individual and the overall competencies in the d3 team enable us to successfully take on a wide range of tasks. This can include complex programs or individual measures.

• 

  Peter Stumber

  Speaker of the Management

  If we take our ancestor’s survival principles to heart: insatiable curiosity – the permanent desire to shape the environment – and the readiness to continuously adapt to new situations, then we can successfully shape our future.

  t. +49 (0)711.6740 0544

  kontakt[at]d3gmbh.de

  More about Peter Stumber

  More about Peter Stumber

  Qualifications

  • Apprenticeship as toolmaker
  • College studies: Mechanical Engineering
  • College studies: Business (Technical Management)
  • Distance-learning studies: Educational Science and Psychology
  • Certification by the Forschungsstelle für Coaching und Gutachten (Research
  • Center for Coaching and expert’s reports) at the Bundeswehr Universität Hamburg Prof. Geißler

  
  Experience

  • Sales Associate in mechanical engineering company
  • Sales Associate and Project Manager in capital goods company
  • Marketing and Market Research Manager in a marketing and advertising agency
  • Managing Director and Area Manager in an international training and consulting company

  
  Training and Consulting Concentrations

  • Management training and development
  • Training and further education of trainers
  • Conceptualization of human resource development projects
  • Sales training / coaching

  
  Examples of Completed Projects

  • Developed and carried out course of studies for sales engineers
  • Planned and carried out change processes in companies
  • Planned and carried out educational programs for trainers
  • Qualification of key account management
  • Selection, education of coaches
  • Planned, carried out, and evaluated management development programs

  
  Publications

  • Co-author: Großes Handbuch der täglichen Verkaufspraxis (Big Handbook of Daily Sales Work)
  • Selling – a Challenge
  • Management Encyclopedia Group Behavior
  • Video: Selling
  • Numerous expert papers
• 

  Bernd Sattler

  Managing Director

  I believe it’s my job as a trainer and consultant to help people on their path to developing their full potential. The pillars of my seminars and training sessions are to meet participants at their current stage of capabilities and skills in connection with a well-founded transfer of knowledge and many exercises as well as my own motivation and ambitiousness.

  t. +49 (0)711.6740 0544
  
  kontakt[at]d3gmbh.de

  More about Bernd Sattler

  Qualifications

  • Magister Artium from Tübingen University in Sport Biology and Sport Science with concentrations in administration and organization
  • Basic studies in Sociology at Tübingen University
  • Training as Industriefachwirt (Industrial Business Administrator)
  • Continuing education as Behavioral and Sales Trainer
  • Qualified Business and Management Coach
  • Certified as Quality Coach

  
  Experience

  • Managing Director of a large German sports association
  • Lecturer and Course Director for state sports associations, professional associations, and the Leadership and Administration Academy of the German Sports Federation
  • Lecturer for Management Techniques at Heilbronn University
  • Trainer and Consultant at an international consulting and training company
  • Managing Partner of d3 consulting training coaching GmbH

  
  Training and Consulting Concentrations

  • Sales
  • Project and self-management
  • Communication, Leading discussions and negotiations
  •  Telephone communication and behavior

  
  Examples of Completed Projects

  • Sales training and courses of study in the capital goods industry
  • Sales training for consultants and sales force of an energy company
  • Competency training for customer service technicians in various industries
  • Implementation of various sales modules in a bank
  • Sales training for employees of a leasing company
  • Telephone training for office and service employees
  • Communication and presentation training for architects and planners
  • Moderation and presentation training for project managers of a consulting company
  • Presentation and first discussion for a new product in the area of derived timber products
  • Coaching for top salespeople
  • Project and self-management in a computer center in the telecommunications industry

  
  Publications

  • Co-author: Selling – a Challenge
  • Numerous expert articles

   

   

   
• 

  Joachim Schuster

  Managing Director

  Whatever you can do, or dream you can, begin it. Boldness has genius, power, and magic in it. - Johann Wolfgang von Goethe. - I look forward to helping you, your employees, and your company successfully shape your future. With just the right amount of realism and an eye for what is feasible.

  t. +49 (0)711.6740 0544
  
  joachim.schuster[at]d3gmbh.de

  More about Joachim Schuster

  Qualifikations

  • Dipl.-Kaufmann degree in Business Administration from the University of Stuttgart

  
  Additional Qualifications

  • Senior Executive Programme: Advanced Management Programme, Irish Management Institute, Dublin

  Professional Experience

  • Management Consultant in the oil industry
  • Sales Director for medical technology
  • Branch Manager for wholesale company (Berlin, Düsseldorf, Stuttgart)
  • Sales Director Germany for wholesale / logistics company
  • Director Corporate Sales Europe for trade / logistics company
  • Managing Director Germany Austria in the food industry
  • President of Administrative Board in the food industry
  • Consulting and Interim Management
  • Adjunct Lecturer at Esslingen University of Applied Sciences in the subject “Leadership & Business Ethics”
  • Designing and carrying out training programs
  • Managing Partner, d3 consulting training coaching GmbH

  Training and Consulting Concentrations

  • Designing and carrying out national and international projects on the following topics:
  • Corporate development
  • Change management
  • Creating and promoting corporate culture
  • Management development
  • Strategic marketing and promoting customer orientation
  • M&A
  • Sales

  Examples of Completed Projects

  • Consolidated various sales approaches and created a homogenous European sales organization
  • Feasibility study for franchise market entry
  • Designed and carried out a development measure for sales and marketing employees to promote strength in closing deals
  • Responsible for project development for a global graduate program
  • Introduced professional marketing tools and processes to promote company growth and improve competitive position
  • Developed and implemented monitoring systems to observe the market and guide sales
  • Created a company-wide compensation system
  • Vertical and horizontal integration of companies and business units after acquisitions or restructuring
  • Planned corporate change processes
  • Leadership: Leading Employees with Confidence
• 

  Jörg Kühn

  Managing Director

  It is my mission to support people in companies to bring about more change, work together more effectively, and, together with their organizations, become more successful.

  t. +49 (0)711.6740 0544
  
  kontakt[at]d3gmbh.de

  More about Jörg Kühn

  Qualifications

  • Dipl.-Ing. (degreed engineer) in Electrical Engineering at the TH Karlsruhe
  • Second course of studies at Pforzheim University as Industrial Engineer (Dipl.-Wirt.-Ing.)

  
  Additional Qualifications

  • Advanced Management Programme, Insead, Fontainebleau
  • Advanced Industrial Marketing Strategy Programme, Insead, Fontainebleau
  • Trainer Skill Development Program at BD University, Franklin Lakes, New Jersey

  Occupational History

  • Sales Representative in information technology
  • Regional Sales Manager in information technology
  • Sales Manager Germany in medical technology
  • Area Director Germany, Switzerland, and Austria in medical diagnostics
  • Marketing Director Europe
  • Area Director Europe in the clinical market for diagnostics
  • General Manager
  • Lecturer at the Cooperative State University Mannheim in the subject “Marketing”
  • Lecturer at Esslingen University of Applied Sciences in the subject “Leadership & Business Ethics”
  • Conceptualizing and carrying out training programs since 2001
  • Managing Partner, d3 consulting training coaching GmbH

  
  Training and Consulting Concentrations

  • Conceptualizing and carrying out national and international projects on the following topics:
  • Company development
  • Change management
  • Creating and promoting corporate culture
  • Manager development
  • Strategic marketing and promoting customer orientation
  • Sales training

  
  Examples of Completed Projects

  • Established a corporate culture promoting self-initiative and responsibility in a sales and marketing organization
  • Conceptualized and carried out a development measure for sales and marketing employees to promote price stability
  • Developed a company-internal, worldwide training program to promote competency in influencing others without authority.
  • Planned and carried out European-wide change projects, e.g.:
  • Introduction of professional marketing tools and processes to promote company growth and improvement of the competitive position
  • Designed and implemented a uniform European-wide budget and forecast system
  • Developed and implemented monitoring systems to observe the market and guide sales
• 

  Dr. Birgit Stein

  Trainer and Consultant

  I help people to realistically formulate their goals and find appropriate ways of achieving them in line with their values and using their potentials.

  t. +49 (0)711.6740 0544
  
  kontakt[at]d3gmbh.de

  More about Dr. Birgit Stein

  Qualification

  • Dipl.oec. (degreed economist) in the Philosophy and Organization of Science
  • Doctorate as Dr. rer. pol.
  • Habilitation as Dr. sc. oec. (qualified professor in Economics)
  • Post-graduate work in university pedagogy
  • Received permission for teaching at the university level (facultas docendi)

  
   Occupational History

  • Teaching and researching position at Humboldt University in Berlin, Department of Philosophy, Organization, and Economics of Science
  • Director for Teaching and Studies at Humboldt University
  • Trainer for company-specific human resource development

  
   Training and Consulting Concentrations

  • Development of company-specific goal agreement and evaluation systems
  • Development of company-specific future manager programs
  • Manager training
  • Conflict management / stress management
  • Team-building and team development
  • Individual coaching

  
  Examples of Completed Projects

  • Creation and introduction of a value-based evaluation system in a bank
  • The same in the area of clinical medication testing as well as in several small and mid-sized businesses
  • Training sessions for project managers and employees in customer relations to develop service-oriented behavior in the IT industry, telecommunications, software development, bank and financial sector, medical technology, in the business and social sector, and in trade.
  • Development of company-specific value systems with subsequent training sessions for managers 
• 

  Berthold Kohlhaus

  Trainer and Consultant

  Change is a part of life: Are you shaping or are you being shaped? I assist you in company, team, and individual processes. Patiently. Persistently. Uncomfortably.

  t. +49 (0)711.6740 0544
  
  kontakt[at]d3gmbh.de

  More about Berthold Kohlhaus

  Qualifications

  • Education as trade fair salesman by the Messe Düsseldorf
  • Studied Business Administration at the ESCP Europe in Paris, Oxford, Berlin (concentration: human resources and finance)
  • Diplôme de Grande École and Diplom-Kaufmann (degreed salesperson)

  
  Additional Qualifications

  • Change Management Consultant, certified with PROSCI (Colorado)
  • Communicating without Violence according to Marshall B. Rosenberg
  • Systemic Therapy and Consulting at the Institut für systemische Therapie und Organisationsberatung (ISTOB – Institute for Systemic Therapy and Organization Consulting)
  • NLP - Business Master and Consulting Master at Inntal Institut
  • Topic-Centered Interaction (TZI) at Odenwald-Institut
  • Action-oriented learning, Dr. Jim Cain, USA
  • Trainer C for rock-climbing, DAV (German Alpine Association)
  • Education as high ropes course trainer (faszinatour and Siebert/Tisch Consulting)
  • Moderation

  
  Occupational History

  • Catering Manager in London conference center
  • Consultant at Towers Watson, Frankfurt
  • Since 2000, internationally active as freelance consultant and trainer

  
  Training and Consulting Concentration

  • Manager training and further development
  • Assisting change projects
  • Train the trainer
  • Team development
  • Coaching
  • Outdoor training sessions

  
  Co-authored Publication

  • Outdoor Training. Human Resource and Organizational Development between flip charts and Alpine ropes
• 

  Gunnar Bremer

  Trainer and Consultant

  »You have everything you need! I only assist you with courage and a love of adventure in discovering, encouraging, and using your potential.«

  t. +49 (0)711.6740 0544
  
  kontakt[at]d3gmbh.de

  More about Gunnar Bremer

  Qualifications

  • Business Studies (Concentration: HR and Organization Development), Innsbruck University
  • Systemic Coach and Consultant, Wiesloch, Dr. Bernd Schmidt

  
  Additional Qualifications

  • Large-group moderation (Open Space, World Café, AI)
  • Business moderation, Dr. Josef Weiß, Munich
  • Action-oriented learning, Dr. Jim Cain, USA
  • Transformation work using presencing / theory U, Otto Scharmer, MIT, USA
  • PIDP and CIDP Coach – “Personal & Cooperate Identity Development Process“ - Partner PE

  
  Consulting and Training Concentrations

  • Coaching (Business, Career, Transition)
  • Management development
  • Influencing others without authority (IoWA®)
  • Identity and personality development
  • Team coaching and development
  • Action-oriented learning (In- & Outdoor)
  • Training from process and outdoor trainers
  • Change Management & Transformation work using presencing
  • Moderation of workshops and large-group events (Open Space, World Café, AI)

  
  Publications

  • Bremer, Gunnar: Unternehmensentwicklung durch Dialog: die abendländische Linearität und das ostasiatische Situationspotential der Zukunft im Diskurs. (Business Development Using Dialogue: The Western Linearity and the East-Asian Situation Potential of the Future in Discourse)  Saarbrücken: VDM, 2010
• 

  Harald Winkler

  Trainer and Consultant

  As a passionate developer and trainer, I throw out all the old paradigms, create clarity, and ensure that individuals, managing teams, and companies achieve their goals when aiming for challenging changes. From my clients’ perspective, I do this in an empathetic, provoking, and focusing manner – and I have been doing so for more than 25 years.

  t. +49 (0)711.6740 0544
  
  kontakt[at]d3gmbh.de

  More about Harald Winkler

  Qualifications

  • Education as optician (IHK)
  • Studied Business Engineering at the University of Applied Sciences Würzburg-Munich

  
  Additional Qualifications

  • Continuing education in methods of personality development for more than 20 years, including several one- or multiple-year courses of study in humanistic psychology, systemic HR consulting, coaching, NLP, mediation, organization consulting, train-the-trainer, moderation

  
  Occupational History

  • Management Consultant, Coach, and Trainer for more than 12 years at BMW for new projects and work structures, change initiatives, project management, method development, and business excellence for sales partners
  • HR consulting and development in various consulting firms as Management Coach, Headhunter, Outplacement Consultant, and HR Director
  • Coach and Assessor of managing employees, managers, and junior managers

  
  Training and Consulting Concentrations

  • Consulting, Coaching, Training and Workshop Facilitator for the topics
  • Personality development
  • Project management
  • Communication
  • Management
  • Conflict management
  • Individual Assessments and Coaching to improve performance, for professional re-positioning, and for personal change management

  
  Examples of Completed Projects

  • Introduced Business Excellence (increase in volume, profit margin, and customer satisfaction) multiple times at independent BMW contract partners
  • Mediation and fusion consulting for car dealerships
  • Conflict mediation between CEO and Vice President in international consulting firm
  • Communication and personality development training for managing directors and employees at a family company (IT industry, consulting)
  • Coaching for establishment in new roles such as department head in a cross-functional project management role 
  • Assessments for increase in performance (various companies and industries)

  
  Publications

  • 1x1 des Projektmanagements (ABCs of Project Management) (Gabalverlag; Mitautor)
  • Projektmanagement Checklisten (Project Management Checklists) (TÜV-Verlag Rheinland; Mitautor)
  • Mut zum Branchenwechsel (Courage to Change Industries) (Redlineverlag)
• 

  Dr. Frederik Hümmeke

  Trainer and Consultant

  Everyone who is excited and works with passion has the potential to do great things.

  t. +49 (0)711.6740 0544
  
  kontakt[at]d3gmbh.de

  More about Dr. Frederik Hümmeke

  Qualifications

  • Thesis on „Neuroökonomie und Entscheidungen“ (Neuroeconomy and decisions) (Grade 1.0 on German scale)

  
  Occupational History

  • Regional and national sales management
  • Conceptualized and carried out seminars and seminar programs
  • Multiple enterprise formations domestically and abroad
  • Managing Director of a mid-sized holding and Managing Director of a subsidiary company in the area of business consulting
  • Seat in various committees, e.g. advisory board member of a mid-sized IT company
  • Member of the extended executive board of the Business Angels Agentur Ruhr
  • Lecturer at the private University Witten/Herdecke in the areas of Business Administration and Economics for the Chair of Political Economy as well as other chairs.

  
  Additional Qualifications

  • Doctoral candidate in Political Economy at the private University Witten/Herdecke, supported by a graduate scholarship from a large German foundation
  • Guest researcher at the excellence cluster of Constance University for the workshop „Wissen und Nichtwissen in der Ökonomie“ (Knowledge and Lack of Knowledge in Economics)
  • Post-graduate certificate “The Neuroscience of Leadership” from Middlesex University, England

  
  Training and Consulting Concentrations

  • Company management and strategy
  • Entrepreneurship
  • Marketing and sales
  • Neuro- & behavioral economics

  
  Examples of Completed Projects

  • Various clients in the area of financing for establishment and growth
  • Speaker and lecturer on various topics, e.g. for the University Duisburg-Essen, Energetix Romania, Business Angels
  • Netzwerk Deutschland and many others

  
  Publications

  • Co-author: Freiheit aushalten: Ein Rückblick (mit Ausblick) auf die ersten 25 Jahre der Fakultät für Wirtschaftswissenschaft der Universität Witten/Herdecke (Sustaining Freedom: Looking back (with a look forward) at the first 25 years of the Department of Economic Sciences at the University Witten/Herdecke)
  • Article: Cialdini in Zitaten: Neurowissenschaftliche Aspekte der Persuasive Psychology (Cialdini in quotes: Neuroscientific Aspects of Persuasive Psychology)
  • Interview Topic: Gründerklima im Ruhrgebiet (Wave of founders in the Ruhr)
  • Contribution: Sobald wir es wissen, ist es offensichtlich: wie Eindeutigkeit entsteht. Die Neuroökonomie von Wissen und Nichtwissen (As soon as we know it, it’s obvious: How obviousness comes about. The neuroeconomics of knowledge and lack of knowledge) Publication in edited volume “Ungewissheit als Herausforderung für die ökonomische Theorie: Nichtwissen, Ambivalenz und Entscheidung”

  
  References / Awards

  • NeuroLeadership Summit Scholarship Award from the NeuroLeadership Instituts, Sydney/New York, 2011
• 

  Peer Kühn

  Trainer and Consultant

  My ambition as a trainer and consultant: Expand horizons – awaken interest in change!

  t. +49 (0)711.6740 0544
  
  kontakt[at]d3gmbh.de

  More about Peer Kühn

  Qualifications

  • Studies in Business Administration at the ESCP Europe in Paris, Oxford, and Düsseldorf
  • Degree: Diplôme de Grande École de Commerce (Dipl. Kfm.)
  • Management Consultant Qualification, Management Zentrum St. Gallen (MZSG)
  • In-house management training at premium car manufacturer
  • Education as Systemic Business Coach, Münchner Akademie für Business Coaching
  • Trainer Certification from Audi    

  
  Occupational History

  • Group Product Manager at leading international pharmaceutical company
  • International management positions in the areas of sales and marketing at top car manufacturer
  • International Brand Development
  • Business Development Netherlands
  • National Marketing Manager Canada
  • CRM Manager Germany
  • Board at e-commerce start-up
  • Trainer, Coach, and Consultant since  2001         

  
  Training and Consulting Concentrations

  • Training and consulting in change management, Influence without Authority, and Business Development (Europe, Asia, Australia)
  • Design & implementation of business development programs (international)
  • Design & implementation of train the trainer programs (international)
  • Management level trainings (Europe, Asia, Australia)
  • Individual coaching
  • Team coaching
  • Workshop moderation

   
• 

  Thomas Wolter-Roessler

  Trainer and Consultant

  Strengthening the individual responsibility of people and organizations and effectively accompanying them through changes – that is what I am passionate about. It’s not that work can be fun, it should be!

  t. +49 (0)711.6740 0544
  
  kontakt[at]d3gmbh.de

  More about Thomas Wolter-Roessler

   

  Qualification

  • Studied mechatronics at the University of Cooperative Education Stuttgart with the degree Dipl.-Ing. (BA), B.Sc. (hons)

  Additional qualifications

  • Systemic consulting and business coaching, hauser consulting Augsburg
  • Professional coach, DBVC Osnabrück
  • Facilitator curriculum, kommunikationslotsen Cologne
  • The Self-Developer I and II, Jens Corssen Munich
  • Various gestalt therapy seminars

  Professional Experience

  • Project Manager for complex factory planning and site development projects
  • Team Leader in international consulting environment
  • Key Account Manager for services that require explanations
  • Member in human resource development team in a consulting company
  • Project Manager in machinery and plant engineering
  • Business Coach
  • Process Supporter and Facilitator
  • Various teaching contracts (project management, corporate organization, and production economics) at the Cooperative State University in Ravensburg/ Friedrichshafen
  • and the Ulm University of Applied Sciences

  Training and Consulting Concentrations

  • Carrying out comprehensive organizational analyses
  • Increasing inner-organizational efficiency, in particular in a producing environment
  • Initiating and supporting change processes, change management
  • Influence Others without Authority (IowA® )
  • Large group moderating and facilitating
  • Management development
  • Organizational design (organizational structure and processes, process design)
  • Lean Management

  Examples of Completed Projects

  • Organizational analysis and participative development of a new organizational form in a development department (aerospace industry)
  • Carrying out a comprehensive organizational analysis and ascertaining/agreeing on efficiency-increasing potentials (white goods industry)
  • Initiating and accompanying development of a new corporate culture to improve change competency and team efficiency (premium kitchen devices)
  • Setting up organizational structures, developing a management structure, and supporting a change process to improve potentials (facade engineering)
  • Designing and carrying out practice-oriented management training sessions (for levels between master craftsmen and executive management) (manufacturing mid-sized company)
  • Project management and communication in re-structuring the company-wide purchasing organization (tier 1 automotive supplier)
  • Coaching management in a mid-sized service organization (long-term care)

   

   

   
• 

  Ralf Riekehof

  Managing Director

  I love to help when people and companies decide to enhance their opportunities in order to achieve more!

  t. +49 (0)711.6740 0544
  
  kontakt[at]d3gmbh.de

  More about Ralf Riekehof

  Professional Qualifications

  • Psychology at the Universities of Lancester and Bamberg with the minors Human Resource Management und Adult Education (Degree: Diplompsychologe (degreed psychologist))
  • Educational training as Communication and Behavioral Trainer (hr Team)

  
  Additional Qualifications

  • Discussion-leading and discussion therapy from the German Association for Scientific Discussion Therapy (Deutsche Gesellschaft für wissenschaftliche Gesprächstherapie)
  • Rational-emotive therapy fomr the German Institute for Rational-Emotive Therpay (Deutsches Institut für rational-emotive Therapie (Grevenbroich))
  • Systemic Organization Consultant, Consulting Group Neuwaldegg
  • Licensed LIFO® Methods and Myers-Briggs Type Indicator (MBTI)

  
  Occupational History

  • Conceptual Design and Sales in a media publishing company
  • Consultant/Project Manager, hr TEAM
  • Managing Partner, d3 consulting training coaching GmbH

  
  Consulting Concentrations

  • Assessment center, management /sales audits, and potentials analyses
  • Potentials and aptitude diagnostics
  • Development of personality-specific career and further education concepts
  • Management style analyses
  • Employee surveys
  • Development of general company principles
  • Workshops and assistance for change processes
  • Human resource development tools
  • Coaching for managers

  
  Examples of Completed Projects

  • External human resource management, in particular recruiting and hiring managers for a financial service company
  • Employee surveys and project assistance in a company-wide change process
  • Assessment center for potentials analyses, transfer assistance, mentoring, and education controlling in the framework of a company-specific course of study for sales engineers
  • Management audit for an Austrian human resource agency
  • Development of guiding principles and realization consulting for a mid-sized company
  • Development of an integrated human resource development system for an international consulting company

  
  Publications

  • Core Competencies of Managers: „Kernkompetenzen der Führungskraft“, mi-Verlag, 2nd ed. 2001, with A. Mutafoff
  • HR Development: Value- and Goal-Oriented Selection and Promotion of Employees „Personalentwicklung: Werte- und zielorientierte Auswahl und Förderung von Mitarbeitern“, Econ-Verlag 1994, with H. Rückle and A. Mutafoff
  • Various essays in: Lexicon of Public Relations “Lexikon der Public Relations“, edited by D.Plaum und W. Piper: „Brainstorming“, mi-Verlag 1989 and 1993
  • Various essays in Praxis-Handbook: Company Management from the WRS-Verlags Wirtschaft, Recht und Steuern, Freiburg, including on the topics of HR development, Management, Assessment Centers, and Interviews