How can we support you?

We specialize in diagnosing soft skills on the basis of the DISC model. The information that we get from the DISC D3 survey support HR departments and leaders in building a strong business from the recruitment process all the way through to the skill development. We provide trainings and consultancy services related to ongoing challenges and organizational goals as well as prepare our Clients for using the DISC D3 surveys and 360 Indicator on their own.

Our values


We have validation studies conducted on Polish and international subjects that confirm the validity of DISC and DISC D3 competencies assessments, so you can be sure that our information is reliable.


As business practitioners, we understand very well the challenges faced by the Client as well as nuances related to team work, variety in leadership styles and relationships between hierarchy levels.


We share knowledge about the competence assessments We prepare materials on good practices of using competencies assessments and 360 Indicator in different HR processes as well as their practical applications.

Fot. Nawiązywanie relacji ze współpracownikami

Dynamics of Team Engagement

Dynamics of Team Engagement is a guide through the DISC D3 behavior model. It helps to understand the crux of personality differences and in which areas of organization operations it is simply not profitable to skip this aspect of working with people.
You will learn how to work in the DISC D3 spirit and when to use this tool so that it supports the aim, which is working in an environment where we do not have to fight for engagement but support the things that ensure a high engagement level in each team member, no matter their role.

It is also a compendium of knowledge about:

Our team

Anna Sarnacka-Smith

Master Certified DISC D3 Behavioral Consultant

I am the founder of the EFFECTIVENESS company, an HR consultant, a business trainer, and a Master DISC D3 Consultant. The main tool I use while pursuing my professional goal is DISC D3 competencies survey, which I have introduced to the Polish market . I myself have experienced the strength of this tool in becoming a team leader, comprehending why I and some people understand one another without words, while cooperation with others carries a lot of tension. I talk about this during consultations, monitoring sessions or trainings for managers, teams, HR departments, Agile coaches, etc.

Małgorzata Adamczyk

DISC D3 Consultant, Trainer & Coach

I have been an entrepreneur in the education industry for 12 years, managing teams of teachers and education employees. Thanks to my experience as a leader and manager and my talent for finding other people’s strengths, at EFFECTIVENESS I support clients in understanding the benefits of personality differences and how to turn them into achieving organizational goals while satisfying the personal motivations of people in the team. I have cooperated with for example with GOPR, Żywiec City Hall, Fischer Automotive, Recevent, Gazelka Driving School, Dobry English, Boeing

Marta Chojnacka

Communication Manager

I am the Communication Manager at EFFECTIVENESS and my area of work includes the broadly understood marketing communication and public relations. My task is to make sure that information on the DISC D3 competencies surveys reaches as many recipients as possible. I am convinced that this tool is successful in discovering the potential of leaders and the skills of team members which they really need to achieve their goals.
Perseverance in reaching goals and openness to new business contacts allow me to, apart from conducing communication activities, support the team in tender processes. I am co-responsible for the final shape of the proposal made to present and future Clients.

Julia Góra

Senior Project Leader

I am a Senior Project Leader and deal with the development and support of DISC D3 consultants through digital marketing. My high C level (Compliant style in DISC model) helps me ensure the highest quality of our services.

Zuzanna Mazurek

Certified Senior DISC D3 Behavioral Consultant

I am a PCC ICF coach, a trainer, and a communication expert. For several years I have been supporting managers and members of company boards in increasing the effectiveness of individuals, teams, and entire organizations. For over ten years, I have worked in the public relations sector: in one of the leading PR agencies and in an international corporation. I was responsible for implementing the communication strategy, CSR and crisis communication. I managed both national and international projects. I am glad when, thanks to the D3 diagnosis and the 360 indicator assessment, Clients become more efficient leaders and managers, and teams work more efficiently and achieve the intended results with less effort.

Anna Rybak

HR Consultant, DISC D3 Consultant, Trainer

Certified DISC D3 Consultant, business trainer I specialize in projects aimed at improving the quality of teamwork. I support teams, their leaders and certified DISC D3 consultants in the interpretation of their competencies survey results and implementing the information collected with DISC D3 in different HR processes. In EFFECTIVENESS, I am also responsible for the Account Management process, I examine our Clients’ needs on an everyday basis and educate them about good practices of using competencies assessments.

Anna Rydlewska - Chabros

Account Manager

An analytically thinking perfectionist with a great desire to acquire knowledge – that’s me, Ania. Thanks to the DISC D3 study, I can consciously use my strengths in my professional work. My internal Analyst makes it easy for me to navigate processes and improve them. I am precise and conscientious, which means that the projects I handle are of the highest standards. I am responsible for the process of ordering and implementing competence tests, creating reports and organizing training, including DISC D3 certification. My passion for foreign languages ​​allows me to serve both Polish and foreign clients and support the Team in preparing documents in English.

See what others say about us

DISC D3 surveys are not only a scientific behavior model and a psychometric tool intended for use in any HR process, but also a philosophy of cooperation and an approach to human beings.

Our management team appreciated the sensitivity of the DISC D3 tool in diagnosing the potential of individuals and the whole team. We are different, hence acceptance, understanding of this diversity is important for the team to work effectively and achieve a common goal.

Agnieszka Warchoł

HR Manager

BWI Poland Technologies Sp. z o.o.

We use the EFFECTIVENESS tools in our recruitment processes, projects aimed at talent development and career path selection, development of leadership competences and enhancing the quality of teamwork. What we particularly appreciate about our relationship with EFFECTIVENESS is that it is not limited to the purchase of a product or the certification training received. This cooperation is a valuable exchange of knowledge, experience with a great understanding of the client’s needs and business processes.

Agnieszka Krzemień

Right Management Leader

Jolanta Jastrzębska

Career&Talent Development Consultant


With EFFECTIVENESS, we carried out a collaboration on the use of DISC D3 competence tests in internal communication and recruitment. I use the knowledge from the DISC D3 survey as a starting point for preparing a strategy with tangible results for the whole company. The professional support at every stage of cooperation, including openness and attentiveness to the client’s needs, deserves recognition.

Robert Wójcik

Branch Managing Director

Bawaria Motors

EFFECTIVENESS carried out a 360 Indicator diagnosis for us in conjunction with the DISC D3 competence survey. The results of the research project have helped us to define what our strengths already are, what values guide us, and in which direction we want to develop. And, in addition, they have become the starting point for carrying out further activities for the development of leadership competences and even better teamwork. I appreciate the EFFECTIVENESS team for their promptness, attentiveness to our needs and flexibility in their approach to achieving their objectives.

Magdalena Domagała

Director of Human Resources

Jungheinrich Polska

EFFECTIVENESS carried out DISC certification for our HR department and is the provider of this tool for diagnosing competences in our organisation. Working with a model helps us to better understand ourselves and those we work with, to communicate in a way that respects each other’s needs. In addition, the DISC analysis helps to define the strengths of individual employees, the values they bring to the team and what support each of us needs from others to become a stronger team.

Marzena Borek

Head of the Staff and Organisational Development Offices

TAURON Obsługa Klienta

The sensitivity of the tool and the practicality of its application in everyday collaboration was experienced by our HR team during the DISC D3 certification and subsequently by other teams in the company, whom we invited to participate in the ‘Power of Differences in Teams’ project. We would like to thank the EFFECTIVENESS team for their promptness and flexibility at every stage of the collaboration.

Katarzyna Bucka

Head of HR&Recruitment w j-labs

j-labs Sp. Z o.o

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