İlker Çağlayan

İlker Çağlayan is a Turkish psychologist and author. He is known for his work on positive psychology and his books on self-improvement and personal growth. Çağlayan has written several bestselling books and has been featured in various media outlets. He is also a popular speaker and has given talks on topics such as mental health and well-being. Çağlayan is the founder of AçıkBeyin, a company that provides education and consulting services. He is based in Istanbul, Turkey.