Jonathan Sieff

Jonathan Sieff is a seasoned professional with extensive experience in leadership roles. Since October 2015, Jonathan has served as a Member of the Board of Directors at Polymateria. Additionally, Jonathan has been a board member of the Weizmann Institute of Science in Rehovot since June 2009, contributing to the institution's governance as an international board member. Jonathan is notably the great grandson of Israel and Rebecca Sieff, founders of The Daniel Sieff Research Institute in 1934, which later evolved into the Weizmann Institute.