Personnel development that makes an impact.
Seminars, coaching and consulting for leadership, sales, communication / customer service.
I help companies specifically develop executives, sales professionals, and service staff – practically, effectively, and with a clear focus on people, communication, and collaboration.
Whether leadership development, sales development, team development, or service development: My focus is always on the question of how people can grow in their roles, increase their impact, and shape communication and collaboration with mutual appreciation.
My trainings and coachings support people in their personal growth, are effective – and always appreciative.
My main focus areas are:

Sales
Increase sales

Leadership
Lead employees clearly and motivate them

Customer service
Develop customer relationships
What is important to me in my work:
Growth. Impact. Appreciation.

My „3 W Concept“ – so that development shows impact and people grow:
With my 3W concept, I combine HR and organizational development with a clear objective: people should grow in their role, increase their impact in everyday work, and shape collaboration and communication in a respectful and appreciative manner. This creates trainings, coachings, and development processes that not only impart knowledge, but are effective and change behavior.
Effect
means to me that corporate development becomes visible and employees, following my measures, move into implementation with a clear plan. Communication becomes clearer, leadership more binding, sales conversations more successful, service contacts more professional, and teams more capable of action.
Growth
stands for personal and professional development for me. Managers, sales professionals, service staff, and teams expand their skills, reflect on their mindset, and develop new courses of action for their daily work.
Appreciation
forms the basis, in my view. Because sustainable development succeeds where people are seen, taken seriously, and at the same time clearly challenged. Appreciation creates trust—and trust is the foundation for change, performance, and growth.
How do companies notice,
that development is necessary?
Often you notice or have the feeling that „something isn't quite right“ in the company, in sales, in customer service, in a team or department, or even between teams or departments.
Some examples can be that managers lead too little or not clearly enough, employees are „demotivated“ and are „working to rule“, or staff turnover is increased.
Sales potential remains untapped in sales, and sales targets are not being met.
Customer service is reacting more than it is shaping, customer complaints are piling up, and the results of a customer satisfaction survey are below expectations.
Teams work alongside each other instead of with each other, or perhaps even against each other; tensions can arise even within a team, and employees are more concerned with their personal tensions than with their work topics.
This is precisely where my work in human resources and organizational development begins.
Leadership
When employee reviews become difficult, orientation is lacking, or managers need more confidence in communication, motivation, and change.
Sales:
If sales are to be increased, sales discussions conducted in a more structured manner, or sales professionals to become more effective in acquisition, closing, and customer retention.
This is how our cooperation works

1. Clarify requirements
Understand goals, target audience, and challenges.

Approve concept
I will develop a suitable concept, which I will coordinate with you in a joint meeting.

3. Implementation
In coordination with you, I am conducting a practical and lively measure.

4. Evaluation
In einem gemeinsamen Termin werten wir die Maßnahme aus und bersprechen ggf. die nächsten Schritte.
Development that makes an impact
With me, you won't get off-the-shelf training, but rather concepts created individually for you. The starting point is always a close look at your goals, your target audience, and the desired impact. From this, a tailored concept is developed, coordinated together, implemented with a practical focus, and subsequently evaluated.
1. Clarify requirements
In a joint (online) meeting, we will discuss your current situation, the target audience, specific challenges, and the desired impact of the development measure.
Develop and approve concept
Based on the clarified requirements, a suitable format consisting of training, coaching, and consulting is created, which is jointly coordinated and finally approved.
3. Implementation
The measure is implemented in a practical way – on-site, online or hybrid, with concrete exercises, reflection and a direct connection to the working day.
4. Evaluation
Following implementation, results, experiences, and potential next steps are reflected upon to ensure development has a sustainable impact.
References: Companies that trust me.

Development that gets through.
Cross-industry
Experience with different company sizes and target audiences
Practice-oriented
Trainings, coachings, and workshops with a direct connection to everyday work
Thinking long-term
Development focused on sustainable impact rather than short-term impulses

Gerrit Maßmann – Development that makes an impact.
I support companies in the development of executives, customer service employees, and entire teams.
In doing so, I combine many years of experience in leadership, sales, and communication with well-founded training, coaching, and consulting expertise.
My approach: Development must be understandable, concrete, and directly applicable in daily work—so that impulses turn into tangible change.
![]()
Practice that counts.
Over 20 years of professional experience in personnel management and sales.
Experience that works.
More than 10 years of professional experience as a trainer and coach with over 8,000 participants.
![]()
Training programs that endure
Extensive training as a communication consultant, business coach, and trainer.
![]()
Development that makes an impact.
Understandable, practical, and consistently focused on impact in everyday work.
Short profile Gerrit Maßmann
- born in 1975 in Münster
- happily married, father of 3 great children
- big fan of modern classics and old cars, hobby cook, Münsterland fan
- trained business administrator, communication consultant and trainer (Schulz von Thun), business coach (Fischer-Epe Team) and certified trainer for adult education (WBA Vienna)
- various management positions in sales, marketing and training
- extensive leadership responsibility for more than 250 employees
- several years of experience in leading teams, departments, and companies
- more than 25 years of experience in sales
- self-employed as a trainer and coach since 2015, focusing on sales, communication, and leadership
Curious? Contact me now for a free initial consultation!
Call me at 0179 / 922 620 3 or write me an email at gm@m2b.de or over my Contact form.
Let's get to know each other – and I will gladly advise you on the implementation of your project and prepare a free, no-obligation quote for you.

Book an appointment for a free introductory consultation here.
As an online meeting via Microsoft Teams or phone call, as you prefer.