DOUGLAS A. HACKER

Corporate Board Profile

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MFS HIGH YIELD MUNICIPAL TRUST

Filing Date	Source Excerpt
2002-04-25	President of UAL Loyalty Services and Executive Vice President of United Airlines; Chief Financial Officer of United Airlines.
2003-05-01	Executive Vice President-Strategy of United Airlines (airline) since December, 2002 (formerly President of UAL Loyalty Services (airline) from September, 2001 to December, 2002; Executive Vice President and Chief Financial Officer of United Airlines from March, 1993 to September, 2001 of United Airlines; Senior Vice President and Chief Financial Officer of UAL, Inc. prior thereto).
2004-04-29	Executive Vice President-Strategy of United Airlines (airline) since December, 2002 (formerly President of UAL Loyalty Services (airline) from September, 2001 to December, 2002; Executive Vice President and Chief Financial Officer of United Airlines from March, 1993 to September, 2001; Senior Vice President and Chief Financial Officer of UAL, Inc. prior thereto).
2005-04-26	Executive Vice President-Strategy of United Airlines (airline) since December, 2002 (formerly President of UAL Loyalty Services (airline) from September, 2001 to December, 2002; Executive Vice President and Chief Financial Officer of United Airlines from July, 1999 to September, 2001; Senior Vice President - Finance from March, 1993 to July, 1999).
2006-04-17	Executive Vice President -- Strategy of United Airlines; President of UAL Loyalty Services; Executive Vice President and Chief Financial Officer of United Airlines.

TRI-CONTINENTAL Corp

Filing Date	Source Excerpt
2022-04-18	Independent business executive since May 2006; Executive Vice President – Strategy of United Airlines, December 2002-May 2006; President of UAL Loyalty Services (airline marketing company), September 2001-December 2002; Executive Vice President and Chief Financial Officer of United Airlines, July 1999-September 2001.
2023-04-17	Independent business executive, since May 2006; Executive Vice President – Strategy of United Airlines, December 2002-May 2006.

Data sourced from SEC filings. Last updated: 2025-07-01