To optimize team performance, it’s crucial to recognize and embrace the diversity of cultural backgrounds within the team. Cultural diversity can manifest in various ways, including language, culture, behavioral norms and values, and even differing interpretations of words, ideas, or actions. It’s essential to learn and understand these differences because each individual’s cultural background shapes their interactions with others. Acknowledging and navigating these differences will ultimately lead to a more cohesive and successful team.
Be aware of differences but avoid stereotypes.
It’s important to recognize the distinction between being mindful of cultural differences and relying on stereotypes. When working in a multicultural team, be extra careful with the language you use. Your colleagues’ nationalities should not be the sole determining factor in how decisions are made. It’s essential to remember that every individual, regardless of their cultural background, is autonomous and deserves to be treated as such. By acknowledging and respecting these differences, you can foster a productive and inclusive team environment.
To avoid stereotypes, take time to become acquainted with every team member. Feel free to encourage your colleagues to do so as well. You need to remind yourself frequently that:

Each team member has a unique way of working and communicating with others

Everyone is an individual and has specific preferences

Culture shapes behaviour but does not dictate it
A useful model for understanding cultural differences is Geert Hofstede’s cultural dimension model. This model provides a great starting point for understanding what drives people from different cultures, and how we can adapt our working and communication styles to work better together in an intercultural team. See this article about the model: https://www.mindtools.com/pages/article/newLDR_66.htm
Be Open to All Cultures and leverage cultural diversity

The best way to show your colleagues that you respect and appreciate them is by being open to the traditions and values of all cultures.
Diversity brings new ideas to the table. Be open to understanding the cultural differences between your team members and celebrate them in a respectful way.
Additionally, you can make an effort to learn more about a particular culture and its characteristics. For example, start by exploring the cuisine or by watching popular movies from other countries.
Embrace differences, new perspectives, and different ways of doing things.
Having an intercultural team presents opportunities for creativity, innovation and learning from others of a different background.