Imogen Rose-Smith VIDEO: Ari Bergmann of Penso on the Danger of Fat-Tail Funds Ari Bergmann, founder and managing principal of Penso Advisors, explains why so-called fat-tail funds may in fact precipitate the very problems they are supposed to insure against. Imogen Rose-Smith April 19, 2012 Related Articles You’re Doing It Wrong: A Tail-Risk Hedger Calls Out His Industry Julie Segal VIDEO: Ari Bergmann on the Dangers of Fat-Tail Funds (Part II) Fireside Chat- The New Credit Playbook: Convergence, Liquidity, and Innovation in Institutional Portfolios Sponsored by Nuveen