Northline Investment Group, LLC
A vertically integrated commercial real estate investment platform combining strategic capital, development discipline, and execution control to maximize long-term asset value.
Investment + Development + Execution
NIG is not a services company. It is an investment and development platform built to attract private capital, structure opportunities, and reduce execution risk through aligned platform control.
Traditional Development
Northline Platform Model
Integrated Platform
Capital to completion. Aligned for predictable performance.
Capital Formation
Investment Structuring
Acquisition · Entitlement
Design · Finance
Construction Management
Quality Control · Schedule
Strategic Sourcing
Vendor · Material Logistics
Value Creation · Disposition
Investor Satisfaction
Strategy · Oversight · Risk Management · Value Creation
General Contracting
Owner Rep & Construction Management
Infrastructure Consulting
Industrial & Government OPM
Procurement Solutions
Investor Network
The Northline Advantage
Four controls that matter most to investors. Select a pillar to reveal the discipline behind it.
Portfolio
Transforming Downtown Through Public-Private Partnership
Historic Downtown Manassas, Virginia
A landmark mixed-use development combining housing, public infrastructure, and long-term investment in the heart of Historic Downtown Manassas.
Development Experience
The CenterST team brings experience from some of the Mid-Atlantic region's most significant mixed-use, transit-oriented, and public-private development initiatives.
Washington, DC
Part of the 15.5-acre Parkside master plan, one of the largest privately controlled transit-oriented redevelopment opportunities in Washington, DC.
Washington, DC
A key component of the broader Parkside redevelopment effort advancing residential density, infrastructure investment, and long-term neighborhood transformation.
Washington, DC
Complex development parcels requiring coordination among public agencies, private investors, development teams, and construction stakeholders.
Leadership
Northline is led by professionals who understand capital, construction, entitlement, infrastructure, and long-term asset value.
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.
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.
Chief Investment Officer, Northline Investment Group
Michael Hodas is a seasoned real estate finance and investment executive with expertise in acquisitions, capital markets, structured finance, and investment underwriting. He leads Northline's investment strategy, capital formation, and financing initiatives, helping position development opportunities for successful execution and long-term value creation.
Construction & Development Execution Advisor / President, MLG-CM
Mr. Marusak is a construction management executive with extensive experience leading predevelopment, project controls, procurement, and construction execution across a diverse portfolio of public and private sector projects. As President of MLG Construction Management Services, he oversees project planning, budgeting, scheduling, risk management, and construction delivery, helping clients successfully navigate complex developments from concept through completion. As Construction & Development Execution Advisor to Northline Investment Group, Mr. Marusak provides strategic oversight of project execution, ensuring alignment between development objectives, construction performance, and investment outcomes.
Development Planning & Design Advisor / President, Penney Design Group
Mr. Penney is the Founder and President of Penney Design Group, LLC, a Bethesda, Maryland-based architectural and planning firm recognized for delivering innovative and economically sound design solutions across mixed-use, multifamily, commercial, hospitality, and residential developments. With extensive experience guiding projects from feasibility and entitlement through construction, Mr. Penney brings a valuable developer-focused perspective that aligns closely with Northline Investment Group's integrated investment platform. His experience leading the planning and design of numerous successful commercial real estate developments provides an immediate benefit to Northline Investment Group and its investors, strengthening the firm's ability to evaluate opportunities, manage development risk, and create long-term value across its portfolio.
Procurement & Strategic Sourcing Advisor / President, CNA Surfaces, LLC
Sohrab Rafie is an experienced procurement and supply chain executive specializing in construction materials sourcing, vendor management, and strategic purchasing. As President of CNA Surfaces, he supports Northline Investment Group's development platform through strategic procurement, value engineering, and supplier relationships that enhance project efficiency and investment performance.
Strategic Programs Advisor / President, WaverlyMLG
Dan Strotman provides strategic leadership on large-scale development initiatives, industrial and infrastructure opportunities, public-sector pursuits, and key strategic partnerships. His experience delivering complex projects and cultivating long-term client relationships helps support Northline's expansion into new markets and emerging development sectors.
Sr. Construction Execution / President, NCG
David DuRant serves as President of Northline Construction Group and leads our construction execution with extensive experience managing complex commercial, multifamily, hospitality, and institutional projects. As the construction execution leader within Northline's construction platform, he provides operational leadership, project oversight, subcontractor management, and construction execution expertise. His practical field experience and leadership capabilities help ensure successful project delivery from preconstruction through closeout.
Sr. Predevelopment Director
Stephen Kalthoff is a veteran real estate development and construction executive with more than 30 years of experience leading multifamily, mixed-use, hospitality, retail, and commercial development projects. Having held senior leadership positions with major development organizations including JBG Smith/Vornado and Donohoe Development, he brings extensive expertise in due diligence, design management, preconstruction, construction execution, and asset delivery. As a Sr. Predevelopment Director to Northline Investment Group, Mr. Kalthoff provides strategic oversight on project planning, execution, and development strategy.
Senior Project Director
Brendan Heffern brings more than 20 years of construction and project management experience across public and private sector developments. His background includes large-scale mixed-use projects, redevelopment initiatives, government facilities, and international assignments supporting the U.S. Department of State and Department of Justice. His expertise in construction systems, project execution, and stakeholder coordination provides Northline with strong technical leadership throughout the development process.
Senior Project Director
Steven Chen is an experienced construction management professional with more than 15 years of expertise in multifamily, mixed-use, and commercial development projects. His background includes leadership roles on large-scale residential developments and complex construction programs throughout the Washington metropolitan region. Mr. Chen provides expertise in preconstruction, project execution, contractor management, and multifamily development delivery.
Senior Project Director, Infrastructure
Luan Tran is a civil engineer and development professional with more than two decades of experience overseeing commercial real estate development, infrastructure improvements, and construction management initiatives. His career spans owner representation, development management, civil engineering, and public-sector infrastructure delivery. Mr. Tran's diverse background provides Northline with valuable expertise in project planning, site development, entitlement coordination, and capital project execution.
Senior Project Manager
Myles Atkins is a construction management professional with experience overseeing commercial and multifamily development projects from preconstruction through completion. His expertise includes project planning, budgeting, scheduling, contractor coordination, and construction administration. Mr. Atkins supports project teams through disciplined management practices that promote successful project outcomes.
Senior Project Manager
Curtis Glover is a construction management professional with experience supporting large-scale mixed-use, multifamily, commercial, and government projects. With a background in civil engineering and project delivery on some of the Washington region's most significant development initiatives, he brings expertise in design coordination, value engineering, project controls, and construction oversight. His technical knowledge and collaborative approach support efficient project execution across Northline's development portfolio.
Project Manager
Dallas Johnson is a project management professional with significant hands-on construction experience spanning mixed-use developments, infrastructure improvements, and tenant fit-out projects. Having served in both superintendent and project management roles, he brings strong expertise in field operations, scheduling, value engineering, subcontractor coordination, and construction execution. His practical construction background allows him to effectively bridge field operations and project management objectives.
Business Development Director
Jamie Johnson leads MLG's business development efforts across the Washington, D.C. market, focusing on public-sector opportunities, infrastructure development, construction management, and strategic partnerships. Her experience working with DGS and other public agencies provides valuable insight into government procurement, stakeholder engagement, and capital project delivery.
Project Manager & Procurement Coordinator
Maria Luna supports development and construction activities through project management support, procurement coordination, project controls, vendor management, and administrative oversight. Working closely with project teams and suppliers, she helps ensure efficient procurement processes, material tracking, and project support services that contribute to successful project delivery.
Assistant Project Manager
Lance Madden supports project delivery efforts through construction coordination, project administration, and field oversight activities. His responsibilities include schedule tracking, document management, contractor coordination, and support of day-to-day project operations. Mr. Madden contributes to efficient project execution through proactive communication and attention to detail.
Assistant Project Manager
Ileana Puello supports Northline's development and construction activities through project coordination, technical review, budget tracking, and construction administration. With a background in civil engineering and experience across residential, industrial, and public-sector projects, she contributes to project planning, quality assurance, and stakeholder coordination. Her analytical approach and technical expertise help ensure projects are delivered efficiently and in alignment with project objectives.
Human Resources Director
Ana Losada leads human resources operations across Northline Investment Group's company platforms, overseeing talent acquisition, employee relations, organizational development, and workforce planning. Her leadership helps foster a collaborative and high-performing culture that supports the firm's continued growth across its development, construction, and investment platforms.
Controller & Accounting Manager
Alex Madrid oversees accounting, bookkeeping, and financial reporting across Northline Investment Group's integrated platform of development, construction, and investment companies. He supports organizational financial management, reporting accuracy, and operational controls, helping ensure the firm maintains a strong financial foundation as it continues to grow.
Assistant Project Manager
Tim McCormack supports the planning, coordination, and execution of development projects across Northline Investment Group's platform. Through project administration, scheduling support, and stakeholder coordination, he helps facilitate efficient project delivery and contributes to the successful execution of the firm's development initiatives.
Assistant Project Manager & Procurement Coordinator
Andrea Vallejo supports both project delivery and procurement operations across Northline Investment Group's development and construction platform. Combining her background in civil engineering with experience in project controls and vendor coordination, she assists with budgeting, scheduling, procurement tracking, supplier engagement, and project administration. Her ability to integrate technical project management with strategic procurement support helps improve efficiency and coordination across the firm's development initiatives.
Development Associate & Assistant Project Manager
Valentina Ortega supports Northline Investment Group's development initiatives through project coordination, planning, and execution support across a variety of real estate and infrastructure projects. With a background in civil engineering and project management, she assists with development planning, budgeting, scheduling, consultant coordination, and project administration. Her strong organizational skills and attention to detail help advance projects from early planning through implementation while supporting the firm's broader development objectives.
Investors
Access a platform built to deploy capital more intelligently. Northline aligns capital, development, construction, infrastructure, procurement, and disposition strategy into one coordinated CRE investment platform.
