I am an assistant professor in the Finance Unit at Harvard Business School.

You can find all my research here.

New (6/2025): For a discussion of my latest work on Index Funds, see my appearence on the Market Makers Webinar (starting at roughly minute 49).

For a summary of my research on passive ownership, check out my conversation on the Rational Reminder Podcast and IPO Stories. I also appeared on a more recent episode of the Rational Reminder Podcast in May 2025.

My blog has moved here.