أصبح من المؤثرين الفعّالين عندما قام بحساب أنه بالمال الذي يجمعه عادة من عمله ،العمل الأكاديمي يستطيع أن يتبرّع بما يكفي لشفاء 80,000 من العميان في الدول التي تتقدم ويتبقى له بعض المال ليعيش بمستوى لائق تماماً.
He became an effective altruist when he calculated that with the money that he was likely to earn throughout his career, an academic career, he could give enough to cure 80,000 people of blindness in developing countries and still have enough left for a perfectly adequate standard of living.