During his Israel Defense Forces national service Folkman served as a combat medic. He later gained a master"s degree in public policy, studying at the Kennedy School of Government at Harvard University. Between 2008 and 2012 he worked as an advisor to the Mayor of Jerusalem Nir Barkat.
Prior to the 2015 elections he joined the new Kulanu party, and was placed ninth on its list.
He currently serves as a member of the Knesset for Kulanu.