Geffen Yamin currently serves as Chief of Staff at theGist starting December 2023. Previously, Geffen co-founded Israel Transport Aid in October 2023, a volunteer initiative focused on providing transportation during emergencies, successfully facilitating the delivery of 150 tons of tactical equipment and over 8,000 meals. Prior experience includes a role as a Business Strategy Intern at SpacePharma, where Geffen contributed to the company's positioning for Series B funding through identity profiling and strategy development. At Avi Luvaton Studio, Geffen advanced from Product Designer to Product & Project Lead, establishing a design department, managing a team, and significantly increasing sales. Geffen's career began with service in the Israeli Air Force from September 2014 to September 2016, followed by a Bachelor's degree in Industrial and Product Design from Bezalel Academy of Art and Design.