Tangent 💚 Proptech

Julius Nyanda is the Founder and CEO of HouseKeys, unlocking housing opportunity for cities, developers, homeowners, and renters. HouseKeys is a civic tech platform that helps local governments manage affordable and mixed-income housing programs across ownership, rental, and finance. Through its Program Marketplace, Ju

Mark Zurada is the COO and Co-Founder of PinPoint Analytics, an AI-powered platform transforming how public works projects are estimated and bid. PinPoint harnesses advanced algorithms and historical bid data to help contractors, municipalities, and engineering firms in the $200 Billion construction industry generate m

Julie Kheyfets is the CEO of Block Renovation, an AI-first marketplace platform revolutionizing the home renovation industry by connecting homeowners with contractors and streamlining project planning. She assumed the CEO role in January 2025, following seven years as the company's COO. ​Before joining Block, Julie led

Frederik Hendriksen is the co-founder of Rensair, pioneering the world’s first air quality ecosystem to cut carbon, costs, and pollutants through next-generation ventilation technology. Rensair’s connected solutions optimize existing HVAC systems, reducing energy costs while delivering cleaner, healthier indoor air—wit

Amit Gupta is the CEO of Aeroseal, a cleantech leader revolutionizing building efficiency through patented sealing technologies. Under his leadership, Aeroseal has secured nearly $100 million in private equity funding, including backing from Breakthrough Energy Ventures. The company has sealed 300,000 homes, enhanced p

Sean Miller is the Chief Revenue Officer at Lessen, leading sales and marketing to expand its tech-enabled property maintenance, repairs, turns and capital improvement services platform, with 3 million work orders completed annually. With deep expertise in real estate technology and IoT, he currently serves as Built En