Our Partners

Mason sees where industries are headed before they get there. After a decade in Silicon Valley — spanning product strategy at Google, R&D leadership at Palantir, and a strategy consulting stint at McKinsey — he came to Austin with a thesis: the same frameworks that built the modern tech stack could transform legacy industries that hadn't been touched by institutional capital.

His cousin Dakota's world — oil fields, heavy equipment, supply chains measured in railcars — looked nothing like enterprise software. But Mason saw the operating parallels immediately. That insight became the DNA of Rainey Street Partners.

Stanford CS undergrad. Wharton MBA. Relentlessly curious, quietly intense, and always three moves ahead.

TJ isn't your typical CFO. He came up through PwC's M&A Advisory practice, where he spent eight years structuring, negotiating, and closing middle-market deals across industrials, healthcare, and technology. He understands capital structure as a strategic weapon, not a reporting function.

He's personally closed 30+ transactions representing over $4 billion in aggregate enterprise value. At Rainey Street, he architects deal structure, manages LP relationships, and ensures the firm's financial discipline matches its investment ambition.

Texas McCombs BBA. CPA. Competitive poker player who approaches both cards and capital allocation the same way — calculated risk, pattern recognition, and knowing when to fold. Collects first-edition books on game theory and decision science.

If Mason sees where an industry is going, Dakota builds the organization to get there. Growing up in western North Dakota, he was running equipment on drilling pads before he could legally drive on a highway. After studying organizational leadership at North Dakota State, he spent a decade in Bakken and Permian Basin operations — managing field teams, optimizing logistics, and learning how real businesses work when there's no pitch deck.

Dakota's network runs deep through energy, infrastructure, and heavy industry. He brings a gut-level understanding of operational complexity that most investors read about in due diligence reports but have never lived.

Steady, grounded, and commands respect without raising his voice. The operational backbone of the firm.

Tanner's role is unusual for a private equity firm: he works directly with portfolio companies on messaging, positioning, go-to-market narrative, and brand architecture. His conviction is that most middle-market companies are sitting on incredible stories they've never learned to tell — and that unlocking that narrative is a value creation lever as powerful as EBITDA optimization.

Before Rainey Street, Tanner spent five years at GSD&M in Austin building campaigns for national brands, then went in-house at a high-growth DTC company where he scaled revenue 8x in three years by rebuilding the brand from the ground up. He's the rare strategist who can write the headline and build the funnel.

Articulate, energetic, and persuasive without being salesy. Believes every great company has a story worth telling — most just haven't found the right narrator.

The firm is literally named after Chuck's family — his roots run back to Austin's iconic Rainey Street, and that connection grounds the brand in something real. But Chuck earned his seat at the table long before the name went on the door.

Texas A&M MBA. Four years at Deloitte's Strategy & Operations practice. Then seven years at a top mid-market PE firm, where he led value creation across a $2B+ portfolio — architecting 100-day plans, redesigning org structures, building go-to-market systems, and installing the executive dashboards and performance cadences that turn good companies into great ones.

Outside the office, Chuck is a motorsport and automotive obsessive. He races amateur endurance series, builds and modifies cars in a shop in East Austin, and sources deals through F1 paddock conversations and Cars & Coffee meetups. That network has directly sourced three deals for the firm. Builder mentality, hands-on, high energy, disciplined.