Founder & Managing Partner

Holden Markoff is the Founder and Managing Partner of Pines Capital Group, where he oversees the firm's overall strategic direction, investor relations, and day-to-day operations. With over a decade of experience in the sports industry, Holden brings a unique blend of expertise across sports marketing, brand development, and investment management. He leads the firm's efforts across investment sourcing, capital raising, and portfolio partnerships.

Before founding Pines, Holden was a Managing Partner at Inter Venture Sports, a sports-focused investment and advisory platform. There, he led capital-raising initiatives and was actively involved in sourcing and executing deals across multiple verticals within the sports ecosystem.

Holden’s entrepreneurial career began with the launch of CTA Marketing Group, a full-service agency focused on athlete representation, brand partnerships, and sports marketing strategy. Through CTA, he worked directly with professional athletes and rights holders to build brand value through innovative sponsorships, media activations, and fan engagement.

Following CTA, Holden joined Steinberg Sports & Entertainment, one of the most established and respected sports agencies in the industry. At Steinberg, he worked alongside top executives supporting athlete marketing strategy, partnership development, and brand-building initiatives for high-profile NFL and MLB clients. His experience there broadened his understanding of the commercial landscape of professional sports and strengthened the foundation for his later work in investment and team ownership.

Holden attended Texas Christian University & St. John’s University.

Partner, Investments

Ryan Kioumehr is a Partner at Pines Capital Group, where he leads the firm’s investment strategy across diligence, structuring, execution, and portfolio management. His responsibilities include evaluating new opportunities, conducting financial and operational due diligence, managing transaction execution, developing investor-facing materials, and monitoring portfolio performance post-close.

Prior to joining Pines Capital Group, Ryan worked at Alvarez & Marsal (A&M) in New York, where he specialized in financial and operational due diligence, valuations, and post-merger integrations. At A&M, he advised financial institutions on debt portfolio restructurings and strategic transactions as part of the Portfolio Advisory Group. He also contributed to the Corporate Performance Improvement practice, conducting buy-side due diligence and pre-acquisition operational assessments to inform valuation adjustments in competitive bidding processes.

Ryan began his career in KPMG’s Audit and Assurance practice, serving clients in the gaming and entertainment sectors.

Beyond his professional work, Ryan serves on the Finance and Fundraising Committees of Active Plus, a New York City-based nonprofit dedicated to youth empowerment through fitness, sports, and wellness education.

He holds a Master of Science in Accounting from NYU’s Stern School of Business and a Bachelor of Business Administration in Accounting from the University of Georgia’s Terry College of Business, where he graduated Magna Cum Laude.