Luke Sandler is an experienced entrepreneur and investor with a diverse background in startup development and venture capital. Currently serving as a Builder at Common Tide since October 2024, Luke focuses on creating a supportive community for founders to mitigate long-term equity risks. As Principal at Critical Reactions, Luke leverages strategic consulting and equity investment to launch new ventures. With advisory roles at VENTUREOUT and the Columbia Angel Network, Luke fosters innovation in the tech ecosystem and coordinates angel funding efforts. Additional consultancy work at Blue Collective and GershonMedia highlights a commitment to empowering entrepreneurs and transforming legacy media businesses. Luke is also an active investor with Gaingels, supporting LGBTQ ventures, and has a history of mentorship at WeWork Labs. An MBA graduate from Columbia Business School and a Master’s from the University of Oxford, Luke's expertise spans strategic consulting, venture funding, and technology growth.
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