Marc Wallert is a resilience expert, keynote speaker, and author best known for surviving a 140-day hostage ordeal in the Philippine jungle in 2000. Drawing on this life-changing experience, he helps individuals and organizations build resilience and thrive through crises. Marc shares insights on leadership, mental strength, and stress management through his keynotes and his book, "Strength Through Crises," where he emphasizes the power of acceptance and optimism in overcoming challenges​(Mar...