Corporate Board Profile
Tech Score: 0/100
| Filing Date | Source Excerpt |
|---|---|
| 2009-03-25 | Michael A. Callen... Executive Chairman of Ambac and Ambac Assurance since January 2008... served as the President of Avalon Avalon Argus Associates, LLC, a financial consulting firm... director of Citicorp and Citibank and a Sector Executive for Citicorp from 1987 until January 1992. |
| 2010-04-30 | Executive Chairman of Ambac and Ambac Assurance since January 2008. Previously served as President of Avalon Argus Associates, LLC, a financial consulting firm. Extensive knowledge of financial services businesses and markets acquired through 25 plus years at Citicorp and Citibank. |
Data sourced from SEC filings. Last updated: 2025-08-30