Stak CEO/Co-founder, Diallo Powell, has been building socially impactful enterprises since 2008. He was a member of the founding team of the first B Corp health insurance company and Co-founder of Zipari (acquired), a platform to give health insurance subscribers greater transparency into the cost and administration of their care. Diallo co-founded Stak with Santiago "Santi" Rios to catalyze the clean energy transition and realize positive climate and community impact. He is also a founding and current board member of the Public Housing Community Fund ("The Fund"). The Fund was created to engage people and partners to invest in transformative programs that enhance the lives of 500,000 residents across NYCHA communities.

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Founded by Diallo Powell and Santiago Rios, Stak Mobility (“Stak”) is making EV infrastructure more scalable and accessible for urban drivers and fleets. Stak delivers a mobile self-service vertical automated parking and EV charging experience that reduces the vehicle footprint 85% and integrates with battery storage to turn parking lots into virtual power plants (VPPs). Stak’s on-demand prefabrication and in-time delivery process streamlines installation providing an economical and sustainable solution to a critical urban problem: space.