William Ely Villafañe Ramos is a member at-large of the Puerto Rico Senate.

An alumnus of the University of Puerto Rico at Mayagüez, in which he obtained a bachelor's degree in Business Administration, majoring in accounting, he later attended the Interamerican University of Puerto Rico School of Law, from which he obtained a Juris Doctor.

[citation needed] In the political arena, in 1995 he served as President of the New Progressive Party's Youth in Utuado.

[citation needed] Villafañe Andújar was Legislative Assistant at the Treasury Committee of the House of Representatives (1999), Administrator of the Commission of Public Service (2000), Director of the Legislative Committees on Housing and Urban Development, Comptroller's Reports and Families and Communities (2005), Advisor to agencies and government departments such as the Department of Natural and Environmental Resources, Office of the Commissioner of Municipal Αffairs and the Authority for Housing Financing (2010) and Chief Executive of the Commission for Public Service (2013).

[citation needed] Villafañe Ramos was elected Senator at-large in 2019 as a candidate of the New Progressive Party.