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.

(00:00:00) - Intro
(00:02:06) - Growing up in New Jersey as a first-generation American
(00:04:27) - Overcoming learning disabilities through hard work
(00:05:49) - College at SUNY Albany and family circumstances
(00:07:40) - The pivot away from medical school
(00:09:24) - Breaking into real estate investment banking
(00:11:12) - Learning the operational side at Atlantic Realty
(00:14:43) - Taking the leap and the N2 Realty failure
(00:19:43) - Starting Silverstone Property Group after the GFC
(00:21:09) - Early Brooklyn development before gentrification
(00:22:49) - Launching Slate Property Group with David Schwartz
(00:24:19) - Managing ground-up construction and value-add simultaneously
(00:26:04) - The co-GP partnership model explained
(00:28:54) - Building vertical integration across service lines
(00:32:40) - Expanding into affordable housing development
(00:35:38) - Launching the credit business to diversify
(00:37:23) - Investment thesis and when to close failed ventures
(00:39:39) - The importance of constant reinvention
(00:41:11) - Hiring a management team and stepping back
(00:46:13) - Competitive advantages: relationships and multitasking
(00:48:04) - Advice for starting with nothing today
(00:49:13) - Final advice: outwork everyone with a chip on your shoulder
Sam Schneider LinkedIn — https://www.linkedin.com/in/sam-schneider-11234826/ Martin Nussbaum LinkedIn -- https://www.linkedin.com/in/martin-nussbaum-71a7678/ Companies: Imperium Capital — https://www.imperiumcap.com Slate Property Group -- https://www.slatepg.com/