A member of the People's Party for Freedom and Democracy (VVD), he served in the House of Representatives from 2010 to 2020, where he focused on matters of health care insurance, prevention and pharmaceutics.

A native of Hoogeveen, Mulder studied political economy at Erasmus University Rotterdam.

Between 2005 and 2015, he also worked as consultant with public affairs firm Pauw Sanders Zeilstra Van Spaendonck (PSZVS) in The Hague.

[2] In addition to his role in Parliament, Mulder served as a member of the Dutch delegation to the Parliamentary Assembly of the Council of Europe from 2016.

[5] In 2020, Mulder resigned his seat in the House of Representatives two days after he was appointed alderman for finance in The Hague.