Campus Executive Team

Tamar Lando
Chief Executive Officer

Tamar Lando is a junior at Columbia University, majoring in Computer Science and Economics. Born in the United States and raised in Israel, Tamar served in the Special Operations Division of the IDF. This past summer she interned at the private credit group of Viola Ventures in both Israel and New York City. In her free time, Tamar enjoys playing tennis, hiking, and spending time with her dog Kodi.

Shira Reznik
Co-Chief Operating Officer of Campus Operations

Shira Reznik is a senior at Queen's University pursuing an Honors Bachelor's in Health Sciences. This past summer, she worked at University Health Network's Cancer Digital Intelligence, where she led a project on healthcare commercialization, drawing on her earlier experience with ARC Innovation (Sheba Medical Center) through the Birthright Excel Fellowship. She is passionate about dancing, exploring new cities, and finding creative solutions to complex challenges in healthcare.

Tyler Fischman
Co-Chief Operating Officer of Campus Operations

Tyler Fischman is a junior at Brown University.

Aaron Breslauer
Chief Operating Officer of Mentor Matching

Aaron Breslauer is a junior at the University of Pennsylvania.

Karel Ohana
Chief Operating Officer of the United Kingdom

Karel Ohana is a third year at the London School of Economics.

Shiraz Meisels
Chief Officer Alumni Strategy

Shiraz Meisels is a junior at McGill University, pursuing a Finance Major at the Desautels Faculty of Management. Last summer, she worked at KPMG in Tel Aviv in the Deal Advisory department through the Birthright Excel Fellowship, where she investigated international pediatric healthcare delivery models to identify strategic investment opportunities. The previous summer, she gained experience at Sunvest Capital Partners, a VC secondaries fund, where she analyzed and pitched GP-Led secondary strip sales on innovative Israeli tech start-ups. In her free time, Shiraz enjoys travelling to new places, creative writing, and playing the guitar.  

Daisy Marmur
Chief Marketing Officer

Daisy Marmur is a junior at Vanderbilt University majoring in English (creative writing track) and Cinema & Media Arts, with a minor in Business. This past summer, she joined monday.com through the Birthright Excel Fellowship, where she worked on the Mansion team (a startup within monday.com) to design creative marketing campaigns and launch partnerships and brand deals. Daisy is passionate about storytelling and brand strategy across media. In her free time, she dances with Vanderbilt’s dance company, writes poetry and comedy, and runs a fashion sketch business.

Maya Rubin
Chief Technology Officer

Maya Rubin is a senior at Columbia University, majoring in Computer Science and Economics. Born in Canada and raised in Israel, Maya served in the Israeli Air Force as an F-35 Flight Simulator Instructor. This past summer, she worked as a Software Engineer at The Humor Project, a Columbia-affiliated research initiative exploring the intersection of AI and comedy. She loves fashion, yoga, and spending time with her friends. She hopes to enhance the technological capabilities of SUNM to support and advance the organization’s overall mission.

Yahli Bibi
Chief Mentor Engagement and Acquisition

Yahli Bibi is a Junior at Columbia University studying Political Science. He was born in Israel and spent most of his childhood on a moshav in central Israel but also lived in California and Berlin. Yahli served as the North Europe NCO in the IAF before joining the Military Diplomacy School as the Advanced Courses NCO. In his free time he enjoys long distance running, hiking, and meeting new people.