Building Institutional Value From The Ground Up.
A vertically integrated commercial real estate investment platform combining strategic capital, development discipline, and execution control to maximize long-term asset value.
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Sq. Ft. of Construction Oversight
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Total Value of Projects Managed
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Successful Multifamily Units Delivered
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Years of CRE Development Experience
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Investment + Development + Execution
A Cohesive CRE Platform. Execution that Delivers.
NIG unifies investment, development, and execution under one aligned platform to reduce risk, drive performance, and scale across markets and asset types.
Traditional Development Platform
Disconnected. Fragmented. Risk Amplified.
Siloed teams with misaligned incentives
Information gaps create delays and cost overruns
Risk transferred instead of mitigated
Limited visibility across the development lifecycle
Inconsistent execution across markets and asset types
Northline Investment Group Platform
Aligned. Integrated. Built to Scale.
Unified investment, development, and execution — one platform, one objective
Proactive risk management from underwriting through closeout
Real-time insight across schedule, budget, risk, and performance
Control of critical decisions drives accountability and speed
Consistent execution across sectors, locations, and asset types
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Integrated Platform
One Platform. Integrated Advantage.
Capital to completion. Precision at every phase.
Because capital, development, and construction live under one roof, Northline moves with discipline at every stage — one team, accountable from first feasibility to final turnover.
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Capital
Investment Underwriting
Capital Raise
P3 Structures
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Development
Acquisition
Entitlements
Design
Permits
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Construction
Project Management
Quality Assurance
Budget Oversight
Schedule Control
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Procurement
Project Specific Materials
Strategic Sourcing
Manufacture Direct Pricing
Material Logistics
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Completion
Value Creation
Disposition
Project Closeout
Investor Satisfaction
Vertically Integrated developer-builder platform
Four Pillars. One Northline Platform.
Northline Investment Group integrates investment strategy with specialized management, construction, and procurement affiliates to create a disciplined CRE development platform. This structure strengthens NIG’s ability to evaluate opportunities, attract public and private capital, manage execution risk, and deliver durable value for investment partners.
Organized around four operating pillars — Investment, Management, Construction, and Procurement — the platform provides direct visibility from concept through capital formation, delivery, cost control, and long-term asset performance.
Capital
NIG leads development sponsorship, investment strategy, capital formation, and public-private development structuring for complex real estate opportunities.
Platform Partner
Northline Investment Group
NIG is the development and investment arm of the Northline platform, leading sponsorship, investment thesis development, public-private partnership strategy, underwriting, and capital structuring across deal sectors.
Capabilities
- Development sponsorship
- Investor packages & underwriting
- P3 development strategy
- Capital formation & structuring
- Opportunity Zone 2.0 positioning
- Risk mitigation framework
Management
Owner-side leadership, project controls, agency coordination, and construction management expertise across public and private sector engagements.
Platform Partner
MLG Management Platform
Anchored by two active partners — MLG-CM (owner’s representation & construction management) and MLG-DC (infrastructure & public-sector delivery) — providing owner-side leadership, project controls, and agency coordination across the Northline platform.
Capabilities
- Owner’s representation & construction management
- OPM services & project controls
- Infrastructure & public-sector delivery
- CBE-certified platform capability
Construction
Direct access to practical delivery knowledge, cost planning, constructability feedback, and field execution strategy through affiliated construction capabilities.
Construction Partner
NCG — Northline Construction Group
NCG supports project delivery through general contracting, preconstruction planning, estimating, scheduling, constructability review, subcontractor coordination, and execution oversight.
Capabilities
- General contracting
- Preconstruction planning
- Budget estimating
- Schedule development
- Constructability review
- Delivery risk reduction
Procurement
Access to material pricing intelligence, strategic sourcing, value engineering, and procurement coordination at the manufacturer relationship level.
Procurement Partner
CNA Surfaces
CNA Surfaces supports the platform through owner-side material procurement, manufacturer-level pricing access, value engineering, design assist, strategic sourcing, and material logistics coordination.
Capabilities
- Owner’s material procurement representation
- Manufacturer-level pricing
- Strategic sourcing
- Design assist
- Material logistics & vendor coordination
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Portfolio
CRE Development.
Expertise.
Projects That Shape Communities.
Our featured CenterST Manassas PPEA Development in Historic Downtown Manassas, Virginia, demonstrates how NIG aligns private capital, civic infrastructure, and disciplined execution to transform a city-center site into a long-term community asset.
Center Street Manassas Multifamily PPEA Development
Mixed-Use Housing + Public
Infrastructure in Historic Downtown
Infrastructure in Historic Downtown
Historic Downtown Manassas, Virginia
A proposed multifamily development integrated with a municipal parking garage and civic promenade, structured through a PPEA delivery model in Historic Downtown Manassas.
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Residential Units
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Stories
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Garage Levels
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Development Value
PPEA
Delivery Model
Hotel CenterST Manassas
A Boutique Hospitality Anchor for Historic Downtown
Historic Downtown Manassas, Virginia
A separate hotel opportunity designed to activate Main and Center Street with boutique lodging, restaurant frontage, and downtown visitor demand.
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Hotel Keys
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Stories
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Garage Levels
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Development Value
PPEA
Delivery Model
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Parkside Development
Parkside Development, Washington, D.C.
The Parkside Development reflects the team’s experience with large-scale, mixed-use, transit-oriented redevelopment in Washington, D.C., including complex parcel planning, infrastructure coordination, and phased development execution.
Parkside · Washington, D.C.
Parkside Parcel 9A/9B
Complex development parcels requiring coordination among public agencies, private investors, development teams, and construction stakeholders.
Parkside · Washington, D.C.
Parkside Parcel 12
A future Parkside development parcel positioned within the broader mixed-use master plan and transit-oriented growth strategy.
Parkside · Washington, D.C.
Parkside Parcel 8
Completed Parkside parcel contributing residential density, neighborhood activation, and long-term value to the broader redevelopment district.
Parkside · Washington, D.C.
Parkside Parcel 10
Completed Parkside parcel advancing the phased buildout of the master-planned redevelopment and supporting long-term neighborhood transformation.
CenterST Manassas · Manassas, VA
Built From the Ground Up.
- 169 Residential Units
- 5 Stories
- 5-Level Garage
- Mixed-Use PPEA
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Executive Leadership
Platform Leadership With Investment, Development, And Execution Discipline.
Northline is led by professionals who understand capital, construction, entitlement, infrastructure, procurement, and long-term asset value.
Principals
Grid Gremi, P.E.
Founder & Managing Member, Northline Investment Group
Grid Gremi is the Founder and Managing Member of Northline Investment Group, where he leads the firm’s development, investment, and strategic growth initiatives. A licensed Professional Engineer and seasoned development executive, Mr. Gremi brings more than two decades of experience spanning real estate development, public-private partnerships, construction management, and infrastructure delivery. Through Northline’s vertically integrated platform, he oversees project origination, capital strategy, development execution, and long-term value creation across the firm’s portfolio of transformative mixed-use and public-private developments.
Peter Farrell
Chairman, Board of Advisors
Peter Farrell is a nationally recognized real estate developer with more than 35 years of experience delivering transformative mixed-use and urban redevelopment projects. As Co-Founder of City Interests Development Partners, he has led the development of millions of square feet across the Washington, D.C. region and provides strategic oversight to Northline’s development and investment platform.
Michael Hodas
Chief Investment Officer
Michael Hodas serves as Chief Investment Officer of Northline Investment Group, leading investment strategy, capital formation, acquisitions, underwriting, and structured finance. As a development partner with City Interests on the Parkside initiative, he brings deep experience across transit-oriented, mixed-use, and public-private development in the Washington, D.C. region.
Senior Advisors & Platform Presidents
Andrew V. Marusak, IV
President, MLG Construction Management
Leads construction and development execution — planning, budgeting, scheduling, risk, and delivery.
Jonathan Penney
Development Planning & Design · President, Penney Design Group
Founder and President of Penney Design Group, a Bethesda, Maryland architecture and planning firm; guides Northline's development planning and design.
Sohrab Rafie
President, CNA Surfaces
Directs owner-direct procurement and strategic sourcing across the platform.
Dan Strotman
President, Waverly | MLG
Leads strategic programs across large-scale development, industrial and infrastructure, and public-sector pursuits.
David DuRant
President, Northline Construction Group
Leads field execution — commercial, multifamily, hospitality, and institutional construction.
Stephen Kalthoff
Senior Predevelopment Director
Brings decades of predevelopment leadership from senior roles at major Washington-area development organizations.
Platform Team
Brendan Heffern
Senior Project Director
Steven Chen
Senior Project Director
Luan Tran
Senior Project Director, Infrastructure
Myles Atkins
Senior Project Manager
Curtis Glover
Senior Project Manager
Dallas Johnson
Project Manager
Jamie Johnson
Business Development Director
Maria Luna
Project Manager & Procurement
Lance Madden
Assistant Project Manager
Ileana Puello Bonfante
Assistant Project Manager
Ana Escobar Losada
Human Resources Director
Alex Madrid
Controller & Accounting Manager
Tim McCormack
Assistant Project Manager
Andrea Zapata Vallejo
Assistant PM & Procurement
Valentina Ortega Morales
Development Associate & APM
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Investors