About us

Who we are

We are an experienced team of trainers in the business for more than 25 years, successfully supporting people and organizations to enhance and develop their communicational competencies. We offer:

  • Flexible approaches for trainings – face to face, blended und virtual
  • Agile methods and custom-made solutions
  • Long-standing experience in a variety of branches (industry, medicine, finance, public service and more)
  • Training quality certified by Siemens

What sets us apart:

Our team – strong, experienced and versatile, standing for excellence, face to face and virtual.

A&C-Team-Online

Presence or virtual – always excellent!

Who are our clients?

We have successfully taken on diverse challenges and have supported the following companies:

Supporting change and transformation processes for:

  • ADAC
  • Dt. Bahn AG
  • Esso AG
  • Kaufhof AG
  • QIAGEN AG
  • SIEMENS AG
  • TÜV GmbH
  • Zodiac Premium Galleys

Training and Coaching for:

  • ADAC
  • AUDI AG
  • CibaVision GmbH
  • Corpus Sireo
  • Credit Suisse
  • framatome GmbH
  • Gesundheitsakademie Chiemgau
  • INFINEON AG
  • MDK Bayern
  • METRO AG
  • PharmaLex GmbH
  • QUIAGEN AG
  • Schörghuber Unternehmensgruppe
  • SIEMENS AG
  • SIEMENS Energy
  • Universität Bayreuth/ Elitenetzwerk Bayern

Leadership development:

  • Basycon GmbH
  • GegenbauerHolding SE & Co. KG
  • Linde Engineering GmbH
  • QIAGEN AG
  • Rheinpfalz Verlag und Druckerei GmbH und Co. KG
  • SIEMENS AG
  • Valeo SA
  • Van Hees GmbH

Team development and team building:

  • ADAC
  • CibaVision GmbH
  • Evonic Industries AG
  • GegenbauerHolding SE & Co. KG
  • Gemeindeverwaltung Seeon Seebruck
  • QIAGEN AG
  • SIEMENS AG

The team

Maike von Grumbkow

Psychologist, Industrial and
Organizational Psychology
Over 30 years in human resources development, training and coaching

Expert in:
Conflict management, negotiation, communication, supporting change processes

Jens Kummermehr

Jens Kummermehr

Tech-savvy psychologist, lively learning, face to face and digital.
Over 20 years experience supporting learning in DAX-groups, mid-sized companies and start-ups.

Expert in:
Influencing skills (face to face and digital),
Interaction and interdependence of digital tools and communication, goal-oriented workshops.


Gabriele Beitinger

Master of Arts Intercultural Communication (DaF, Päd, NDL)
Over 25 years training and online coaching; scientific fellow at LMU Munich, and at Kempten and Weingarten lecturer in business communication and media didactic.

Expert in:
Communication, team-development, interculturality, change processes, leadership communication / team-oriented leadership

Gerald Petersen

Psychologist, passionate about modern corporate learning. 3 decades of experience in development of personnel and organizations.

Expert in:
Effective communication  constructively coping with difficult situations, effective cooperation in the digital age


Barbara Alsleben

M.A. (Pedagogic, Psychology, Anglistic)
3 decades of experience as trainer and coach, Member of the Scientific Counsel of the German Academy for Driving Instructors.

Expert in:
Communication, conflict management, rhetorical or persuasive skills, presentation techniques, facilitation, didactic

Experience in workshops, seminars, trainings and coachings

11.700

Events in days

146

Years of experience