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Inspire excellence and prosper with TES
NEWS AND MEDIA
Inspiring excellence by letting go
Join TES CEO Christian Sellars and John van Etten from Human Synergistics Germany on LinkedIn Live this Tuesday for a fascinating conversation on leadership behaviours that shape organisational performance.
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The little-known secret of great leaders
March 24, 2025 - The New Times - Discover the surprising leadership secret that could unlock incredible creativity and performance. Is your greatest talent hiding right under your nose Read on to find out
The Long Form Podcast on Rwandan Leadership
March 24, 2025 - The Long Form - Christian Sellars chats to Sanny Ntayombya on
enhancing leadership practice and organisational culture
Checkout the podcast now
Excellence
TES drives leadership excellence through evidence-based diagnostics and practical training. We help leaders to inspire teams, build confidence, and achieve sustained excellence.
Performance
We support leaders in building results-focused cultures. By fostering confidence, skill, and autonomy, we empower employees to delight customers and exceed expectations.
Agility
We help leaders embed agility and initiative within their teams by giving employees the skills and frameworks they need to thrive in challenging environments.
Leadership That Inspires
Great leadership doesn’t just shape individuals—it transforms entire organizations. TES empowers leaders to create bold, supportive cultures that drive lasting impact. Discover how our proven approach elevates leadership, strengthens teams, and fuels organisational growth.
Upcoming events
I appreciate the rigor and pragmatism that TES brings to its work. The insights I’ve gained from the TES impact survey and training have enhanced my leadership.
Book a consultation
for a personalized meeting with TES CEO, Christian Sellars
About us
TES CEO Christian Sellars is a global business leader with 30 years’ experience in managing complex teams. He is an expert in positive leadership and team performance and accredited by Human Synergistics International.