Peter Breckinridge Coffin

Breckinridge Capital Management, Inc. (Breckinridge) is an independent, SEC-registered investment advisor headquartered in Boston, Massachusetts with an additional office in San Diego, California. The firm was founded in 1993 by Peter Coffin. Breckinridge provides investment-grade fixed income portfolio management services for high-net-worth individuals and large institutions through a network of financial advisors, consultants, and family offices.

Massachusetts Financial Services Co., do-business-as MFS Investment Management (MFS), is a SEC-registered investment advisor and mutual fund manager headquartered in Boston, Massachusetts. The firm was founded in 1924 and is a subsidiary of Sun Life of Canada (US) Financial Services Holdings, Inc., ultimately held by Sun Life Financial, Inc. (TSE, NYSE: SLF) in Canada. The firm provides investment advisory and sub-advisory services to a range of institutional clients and pooled investment vehicles. MFS is a responsible investor and signatory to the UN Principles for Responsible Investment (UNPRI).

The Municipal Securities Rulemaking Board is a regulatory organization that oversees the municipal securities market in the United States. The private company is based in Alexandria, VA. Nanette Lawson has been the CEO of the company since 2011. The board was established by Congress in 1975 to protect investors and promote a fair and efficient market for municipal securities. The board sets rules and standards for underwriters, dealers, and municipal advisors, and provides market transparency through its Electronic Municipal Market Access (EMMA) system.

The National Federation of Municipal Analysts is an organization that aims to promote professionalism in municipal credit analysis. The non-profit company is based in Pittsburgh, PA.