Greenbrier is a nimble collaborative proactive strategic communications firm

We meet you where you are – and help you get where you want to go.

Our clients are changing the landscape of their industries

We aim to do the same in ours.

We’re strategists and storytellers with an unwavering commitment to working in the trenches with our clients, creating communications strategies that position them for powerful and impactful breakthroughs.


The Greenbrier team

The team we introduce to you at the start remains the same you will work with day-to-day.

We approach your business with decades of in-house and consulting experience across a broad range of industries, bringing our expertise and strategic insights to the table from day one.

We work with the best.

Our experience spans across industries, from healthcare to rideshare to tech startups and beyond. We keep our fingers on the pulse of a diverse range of sectors, allowing us to tailor solutions that resonate with the needs and objectives of our clients, a sampling of which are listed here.

Industry Highlight

Blockchain & Web3

Blockchain is here to stay, and we are the foremost communications firm in the field. Our work has taken us to nearly every corner of the industry from upstart DeFi projects to leading wallets, exchanges, layer 1 blockchains, and global NFT marketplaces.

Learn more about what we do in the blockchain:

Our clients are innovators, change-makers, and industry leaders. We make sure their stories make headlines.

Greenbrier is a division of The Messina Group

Led by Jim Messina, the campaign manager behind President Barack Obama’s historic reelection campaign, The Messina Group (TMG) is a global consultancy with proven experience working across five continents to help political parties, governments, corporations, and NGOs achieve their goals with strategies that are data-driven and measurable. The principle philosophy at both companies is to help our clients solve problems, outwit competitors, and create better outcomes. While engaging with Greenbrier, you have access to The Messina Group’s full suite of services as needed.
Jim Messina
CEO, The Messina Group