Nigel Shamash

Leasing & Sales Leadership | Tenant & Landlord Representation | Debt & Capital Allocation | Design & Tech Integration | Multi-Discipline Diversification | Arbitrage & Hedging
New York, NY 10001 212-366-1140 (O) 347-330-9410 (C) nigel@nsnyre.com linkedin.com/in/nigelshamash

Summary

Trusted commercial real estate executive to small and mid-sized family offices, delivering C-suite caliber oversight, blending two decades of leasing, sales, tenant and landlord representation, and capital allocation across the Northeast. I architect lead funnels, negotiate complex rent and sale structures, and steward debt positions while translating design intent into CAD-backed underwriting. Tech-forward integrations, multi-discipline diversification, and systematic options arbitrage equip sponsors with faster decisions, hedged exposure, and sustained performance.

Signature Strengths

Core Tech Stack

Python pandas numpy scikit-learn statsmodels yfinance SQL Power BI Excel Power Query Excel Power Pivot Excel VBA Excel LAMBDA Jupyter JavaScript Node.js Express React HTML5/CSS3 AutoCAD Revit Rhino Bluebeam Git Airtable Automations Slack APIs Sheets APIs AI/LLM Tooling (Claude Code, OpenAI Codex, Cursor, Windsurf, Cline, VS Code)

Professional Experience

Founder & Principal - 5CRE (NSNYRE LLC DBA)

New York, NY | 2011 - Present
  • Built proprietary lead funnels combining canvassing scripts, CRM automations, and targeted cadastre datasets, sustaining 250+ closings per year and guiding deals from LOI to stabilization.
  • Directed underwriting and investment committees for + of equity and debt, bringing adaptive reuse, energy retrofit, and multi-tenant logistics deals to market first.
  • Converted CAD, zoning overlays, and historical comps into underwriting-ready packages to accelerate approvals, lease-up, and go/no-go decisions across 30+ redevelopments.
  • Negotiated and closed 1500+ office, 1500+ industrial, and 200+ retail leases while maintaining cost-to-close discipline; Costar Power Broker (2013).
  • Mentored brokerage, construction, and analyst teams while deploying dashboards that show commissions, pipeline velocity, and covenant compliance for family-office sponsors.

Founder & Principal Broker - NSNYRE LLC

New York, NY | 2006 - 2011
  • Originated 250+ leases annually by pairing hyper-local market knowledge with bespoke touring and pitch materials.
  • Crafted Excel VBA and Access underwriting templates to qualify deals, creating the foundation for data-rich deliverables now used at 5CRE.
  • Led lease workouts during the 2008 crisis, safeguarding landlord solvency while preserving tenant relationships.

Principal - Columbia County Multifamily Portfolio (Exited 2025)

Hudson Valley, NY | 2022 - 2025
  • Value-add portfolio executed with a revenue-first lens; exited 2025 at a modest profit.
  • Applied tech-enabled rent forecasting, IoT utility tracking, and project management cadences to lift NOI 18% heading into exit.
  • Coordinated renovation and leasing teams with Revit, Bluebeam, and punch-list automations to tighten timelines and protect returns.

Quantitative Principal - Options & Volatility Arbitrage Portfolio

Remote | 2021 - Present
  • Engineered Python scripts to price dispersion, diagonal, and convexity trades, producing dependable monthly cash flow that offsets deposits and carry costs.
  • Delivered risk dashboards that translate options Greeks into CRE-ready language so partners grasp hedging benefits alongside property returns.
  • Maintains single-digit drawdowns while outperforming legacy CRE IRR benchmarks, adding a liquidity lever uncommon in brokerage-centric shops.

Principal - Chelsea Family Office Portfolio

New York, NY | 2015 - Present
  • Managed a family-owned Chelsea office portfolio with disciplined leverage and integrated brokerage operations.
  • Secured low-leverage debt positions and sustained near-100% occupancy through in-house leasing and sales campaigns executed via 5CRE.
  • Oversaw tenant improvement and construction scopes, aligning TI packages with underwriting to protect yield and accelerate re-tenanting.

Dealmaking Highlights & Metrics

Education & Credentials