Ambac Financial Group, Inc. has announced that Lisa A. Kampf will join Ambac as managing director, investor relations, effective May 1. Ms. Kampf will report directly to David Trick, Ambac's executive vice president, chief financial officer and treasurer. Previously, she has more than 20 years of experience in the financial services industry includes building and leading the in-house investor relations departments for MF Global, Fitch Ratings and Instinet. Earlier in her career she held finance and accounting positions at firms including Goldman Sachs, Morgan Stanley and Ernst & Young. She is a member of the National Investor Relations Institute (NIRI) and the NIRI Senior Roundtable.