Tatjana Mändla, Author at Siffi

Author

Tatjana Mändla

Tatjana Mändla is a psychologist and certified therapist who bridges psychology and business insight. With four years of experience at Siffi, she empowers adults to strengthen relationships, navigate challenges, and cultivate emotional resilience. Her approach combines therapeutic depth with a practical understanding of organizational dynamics, enabling individuals to find balance, clarity, and growth both at work and at home.

Narcissism in the workplace: A team and individual perspective

Tatjana Mändla September 3, 2025

Confidence and ambition are valuable qualities in any workplace. But when they turn into extensive self-centeredness, lack of empathy, or