Gilles Gignac, an Associate Professor of Psychological Science, reveals that mental functioning peaks between 55 and 60 years old. He discusses how traits like wisdom and emotional stability improve with age, enhancing overall decision-making. Dr. Stephanie Ward, a Geriatrician and health commentator, highlights that happiness and wellbeing also rise in later life, emphasizing the value of older workers. Together, they challenge ageism, advocating for mixed-age environments to benefit from diverse perspectives and strengths.