The big 5 are: Openness. Conscientiousness. Extraversion. Agreeableness. Neuroticism.Mentioning: - The 'Dear HBR' podcast. - Aristotle’s golden mean/- Nelson Mandela's bio 'A long road to freedom.'- The book 'Don’t sweat the small things.'- Helpfully uncooperative. - Happily irritable - All models are wrong. Some are help. Contact us at [email protected]