Boutique Commercial Real Estate Brokerage and Advisory

The Right Door
Changes Everything

We help you buy and sell retail and industrial properties throughout the United States.

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$1.45B+ Combined Transaction Volume
26 States Transacted In
Map of the United States highlighting the 26 states in which the partners have transacted

Transaction volume and states transacted reflect the founding partners' combined track record across their individual careers.

Our Story

Built on Trust.
Driven by Results.

Green Door Advisors was founded by three friends with a shared belief that real estate brokerage should extend beyond the transaction. We take a holistic approach—helping clients navigate asset allocation, immediate challenges, and long-term objectives through data-driven advice and thoughtful execution.

Our partners bring together three distinct backgrounds: Mitch, a top-producing net lease broker; Matt, a principal at a global real estate investment manager; and Dane, a strategic finance leader who advised Fortune 500 companies on capital allocation and growth.

This combination of brokerage, principal investing, and strategic finance shapes how we advise our clients. Our mission is simple: look beyond the immediate transaction, understand the bigger picture, and build lasting relationships around our clients’ short- and long-term objectives.

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"We are what we repeatedly do. Excellence, then, is not an act but a habit."

— Aristotle

The People Behind the Firm

Meet the Founding Partners

Three partners. Three unique skillsets. One mission.

Mitch Grant

Mitch Grant

Partner

Mitch is the Managing Broker of Green Door Advisors. He built his career as an investment sales broker within the Net Leased Properties Group at Marcus & Millichap, specializing in the acquisition and disposition of commercial assets nationwide. As a consistent top producer in the firm's Chicago office, he developed a reputation for being sharp, persistent, and relentlessly solutions-oriented. Before Marcus & Millichap, Mitch worked in JLL's Office Investment Advisory Capital Markets Division (formerly HFF) and began his career at Northern Trust in the Hedge Fund Services Group serving over 100 institutional clients. Over his career, Mitch has been directly involved in more than $230 million in CRE transactions with a client base spanning Fortune 500 companies, publicly traded REITs, family offices, and high-net-worth individuals. Mitch has also personally invested as a principal in commercial and residential assets, giving him an owner's perspective when underwriting and positioning properties.

Mitch is a Licensed Real Estate Broker. He graduated from the Kelley School of Business at Indiana University with a double major in Finance and Real Estate.

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Matt Heussner

Matt Heussner

Partner

Matt built his real estate career on the ownership side of the business as an Investor for CapitaLand in New York City, a subsidiary of Singapore's Sovereign Wealth Fund, where he closed over $1.2 billion in transactions across Single Tenant Net Lease, Industrial, and Multifamily properties. Operating within a lean four-person investment team, he facilitated the full acquisition process — underwriting, global investment committee presentations, negotiation, due diligence, and closing. Matt brings an ownership mindset to every engagement — underwriting and negotiating through the lens of risk, return, and execution. Before CapitaLand, Matt was Senior Associate of Strategy and Transactions at Ernst & Young (EY), advising clients in financial modeling and valuation for Retail, Industrial, Data Center, and Office sectors.

Matt is a Licensed Real Estate Broker and an Illinois CPA (In-Active). He graduated with Distinction from the Kelley School of Business at Indiana University with a double major in Real Estate and Accounting.

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Dane Teuteberg

Dane Teuteberg

Partner

Dane brings a strategic finance and advisory background to Green Door Advisors, with experience spanning valuation, complex financial modeling, and transaction analysis across multiple industries. He previously served as Senior Director of Strategic Finance at Upperline Health, a high-growth healthcare platform focused on value-based care, where he led enterprise financial strategy, long-range planning, and acquisition diligence. Dane began his career at PricewaterhouseCoopers (PwC) in Value Consulting & Modeling, where he developed financial models and strategic frameworks for Fortune 500 companies including Coca-Cola and Bristol Myers Squibb. Dane applies a rigorous, data-driven approach to commercial real estate brokerage, equipping clients with a decisive edge in underwriting, diligence, and transaction execution.

Dane is a Licensed Real Estate Broker. He graduated from the Kelley School of Business at Indiana University with a double major in Finance and Data Analytics.

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The Green Door Difference

The Experience of a Big Firm.
The Care of a True Partner.

01

You Are the Priority

There are over 22,000 net lease properties currently for sale in the US, many with the same tenant, lease term, and pricing as your asset. In this competitive landscape, you need a brokerage that is going to prioritize your listing. For the large legacy brokerages, this is virtually impossible — too many clients, listings go stale, priority shifts to what's "hot." At Green Door Advisors, you are our priority. We don't spread ourselves too thin across all types of commercial real estate brokerage; we specialize in a few niches. Our lead generation and marketing process is as deliberate and exhaustive as possible.

02

White Glove, Institutional Service Structure

The institutional brokerage teams selling assets over $100M often have several partners working the same listings, compensated as a team, creating a communal culture of teamwork. Green Door Advisors has created the same white glove, full-team service for all of our clients. When you sign a listing or buyer representation agreement with Green Door Advisors, you get the attention and care of all three partners working together to market your property. The idea is radically different in net lease — but we believe it's the only way.

03

Unprecedented Change Favors New Entrants

We are witnessing a profound shift in the pace of innovation. At the intersection of technology and capital, the greatest advantage belongs to those who view change as an opportunity to be seized. Your trusted broker should be nimble, always searching for ways to drive new lead generation and marketing outreach to maximize exposure and value for your investments. Those who embrace the change own the future.

Ready to open a new door?

Whether you're buying, selling, or simply exploring your options — let's talk.

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Get In Touch

Let's Talk About
Your Next Move.

Whether you're a buyer seeking yield-driven assets, a seller ready to execute, or an investor exploring the net lease and industrial space — we're here to help.

Phone 630-862-0330
Markets Nationwide

We typically respond within one business day.