Tamar leads and coordinates the Coalition for Impact, a coalition of 6 of the leading impact networks and foundations in the social impact investing space; BMW Foundation, NEXUS, Toniic, Center of Sustainable Finance and Private Wealth, Katapult, and The ImPact, who all have the mission to drive more private wealth toward impact investment.
Through the Coalition for Impact, Tamar brings together these members, builds the strategy and leads their collaborative efforts.
Tamar has been deeply involved in the impact investing and philanthropy space as an advisor, entrepreneur and board member. Tamar frequently hosts and moderates impact events, such as the PYM Women Wealth Matters sessions, which are focused on encouraging and educating >120 women of wealth on impact investing and philanthropy.
Tamar sits on the advisory boards of three-time Nobel Peace Prize Nominee Dr Scilla Elworthy, Business Plan for Peace, and Princess' Irene of the Netherlands’ non-profit organization, Berglaas.
Tamar has been particularly passionate about bridging the worlds of arts & storytelling and social impact (investing) and aims to serve as a megaphone for stories and voices that need to be heard. She is the initiator and host of the systems change podcast A World From Scratch, in which she invites speakers to imagine the systems of their fields from scratch. Guests included former Chief Business Officer of Google[X] Mo Gawdat, three-time Nobel Peace Prize Nominee Dr Scilla Elworthy, and former CEO of Unilever Paul Polman.
Tamar founded the non-profit organization New Amsterdam Jazz in 2020, which aims to raise the recognition of the jazz scene that is based in the Netherlands and connect it to scenes around the globe. As the Director of New Amsterdam Jazz, she has helped over 450 musicians in 2 years in their talent- and career development through the organization and support of albums, concert series, artist residencies, educational projects, etc.
Lastly, Tamar worked on film productions that won various esteemed awards, including the short film UMAMA, which won the Gold at the Student Academy Awards in 2020. Her film Thin Ice, a short film addressing the increasing fear of terrorism in the Netherlands and the resulting islamophobia, was viewed over 400.000 times and was screened as an educational school film at all high schools across the country.