Raised in Denmark, Yoni holds a M.Sc. in Business Administration from Copenhagen Business School, as well as a B.Sc. in Social Science and Business Administration from Roskilde University. He served in The Danish Mission to the UN in New York before making Aliya in 2006. In Israel, Yoni served for five years as a Sales Coordinator with RADVISION.

Yoni Co-founded Upside Israel, an initiative focused on encouraging high-potential entrepreneurs to make Aliyah and join the Start up-Nation, then joined Gvahim in 2014 to manage the Career Program in Jerusalem. In June 2018, he took a new challenge within the organization, and became the manager of Tech Heights, a pre-Aliyah program channeling software engineers into the Israeli Hi-Tech. In 2017, Yoni started a workshop in Gvahim called Network Yourself to Success. The workshop quickly became a popular an integral part of Gvahim's Career Program. Yoni has also talked and lectured at Start-Up Nation Central, Jewish Agency and Maaseh.