Sisu communication is a brand developed by Dina Karatza for GK Consulting and Coaching. Dina Karatza has a great deal of experience in communication strategy, cooperating for over 20 years with international advertising corporations and trading companies. Specialising in Personal Branding, she was led to look into more in-depth and human-focus knowledge. Today, she is a certified coach at Marshall Goldsmith Stakeholder Centered Coaching and a certified practitioner of the Global Leadership Assessment (GL 360). She operates successfully in Leadership and Executive Coaching. The Sisu-team specialises in Leadership, Executive and Business Coaching Rersonal Branding Strategy. Sisu-team’s structure relies on the Virtual Team Global Business Model (VTGB), successfully meeting clients’ needs for adaptability in a multicultural business environment and immediate response. Communicating according to Sisu philosophy means being direct and honest, while always remaining grateful and respectful.