[1] This traumatic experience inspired him to volunteer on an ambulance at the age of 15, while attending school and working in his family's bookstore and real estate business.During his voluntary career as an EMT, Beer has been a medical responder at the scenes of the Ben Yehuda Street bombings, the Versailles Wedding Hall disaster, the Second Lebanon War in the north, and Operation Cast Lead in the south as well as dozens of other major terror attacks and mass casualty incidents.During the Israel-Hamas war, Beer played a pivotal role in providing critical humanitarian assistance and medical care to those affected by the conflict.Setting up United Hatzalah field hospital and dispatch, Beer helped send over 1,500 volunteer EMTs to the Gaza periphery to treat both civilian and military personnel wounded in the Hamas terror attacks.[10] During a donors conference by the Republican Jewish Coalitions’ Annual Leadership Summit in Las Vegas on 28 October 2023 Beer disseminated the story of an Israeli baby being placed in an oven and burned to death, but this was unable to be verified.