Building a Vertically Integrated Real Estate Business from Ground Up | Martin Nussbaum

Sam Schneider and Martin Nussbaum sit down on Inside Deal to explore how learning disabilities, early failures, and strategic pivots shaped a multifaceted real estate career. Martin shares his path from pre-med student to real estate investment banker, and eventually to co-founding Slate Property Group—a vertically integrated firm managing thousands of units and billions in credit across the East Coast. The conversation unpacks how early setbacks, including a failed first venture during the financial crisis, informed his approach to diversification and risk management. They discuss: Why bringing in co-GP partners accelerates learning and provides crucial balance sheet support for new developers How Slate built separate profit-and-loss verticals for construction, property management, leasing, affordable housing, and lending to weather market cycles The decision to hire a professional management team and step back from daily operations despite founding the company What makes East Coast markets more operationally manageable than West Coast expansion for hands-on developers Why maintaining weekly operational data on thousands of units creates competitive advantages in investor conversations and acquisition underwriting This episode offers a detailed look at building resilience and institutional scale in real estate development for operators and aspiring entrepreneurs alike. Topics: 00:00 - Intro 01:02 - Growing up in New Jersey as a first-generation American 03:23 - Overcoming learning disabilities through hard work 04:45 - College at SUNY Albany and family circumstances 06:36 - The pivot away from medical school 08:20 - Breaking into real estate investment banking 10:08 - Learning the operational side at Atlantic Realty 13:39 - Taking the leap and the N2 Realty failure 18:39 - Starting Silverstone Property Group after the GFC 20:05 - Early Brooklyn development before gentrification 21:45 - Launching Slate Property Group with David Schwartz 23:15 - Managing ground-up construction and value-add simultaneously 25:00 - The co-GP partnership model explained 27:50 - Building vertical integration across service lines 31:36 - Expanding into affordable housing development 34:34 - Launching the credit business to diversify 36:19 - Investment thesis and when to close failed ventures 38:35 - The importance of constant reinvention 40:07 - Hiring a management team and stepping back 45:09 - Competitive advantages: relationships and multitasking 47:00 - Advice for starting with nothing today 48:09 - Final advice: outwork everyone with a chip on your shoulder Sam Schneider LinkedIn — https://www.linkedin.com/in/sam-schneider-... Martin Nussbaum LinkedIn -- https://www.linkedin.com/in/martin-nussbau... Companies: Imperium Capital — https://www.imperiumcap.com Slate Property Group -- https://www.slatepg.com/