Diversity is becoming a watchword in philosophy. Increasingly, philosophers are working to diversify their syllabi, their journals, their textbooks, and their conferences. Admirable as this movement is, this approach to diversity can often be rather mechanistic in character – a mere totting-up of the number of women or members of under-represented groups on programmes and in tables of contents. Drawing on my work reconstructing and teaching a very diverse history of philosophy canon, I argue that a student-centred, inquiry-based pedagogy can help both learners and teachers move from mechanistic surface-diversity to a rich, deep pluralism. This deep pluralism can inform and enrich both our pedagogy and our philosophical methodology. My argument has six steps. I Part 1, I explain why diversity and inclusiveness ought to be among our goals as teachers, researchers, and philosophers. In Part 2, I outline some approaches to improving diversity in the discipline. I contrast surface and deep approaches to diversity, and make a case for the latter. In Part 3, I describe what I call intentional course design – pedagogical design that builds diversity in from the ground up. I offer practical examples of intentionally designed courses in Part 4. In Part 5, I discuss individual and institutional limitations to intentional design and deep pedagogy. In Part 6, I conclude by extending the lessons of the foregoing sections to our scholarship and our discipline(s).