Principal Partner
Fieldstone Equity Partners

Rebecca Lange is a strategic investor focused on building resilient, high-impact ventures across sports, entertainment, and emerging markets. With a foundation rooted in integrity and long-term vision, Ms. Lange and Fieldstone looks to all its ventures to accelerate growth, elevate brand value, and drive sustainable returns.

Chairman
Fieldstone Equity Partners

Jonathan Carlisle is a seasoned executive and strategic advisor with over three decades of experience in private equity, corporate governance, and growth-stage investment, providing high-level oversight, portfolio guidance, and long-term vision for the firm’s equity-backed ventures across sports, entertainment, and consumer sectors.

Principal Partner
President & CEO - GSEH

Matthew Jolles joined GSEH in November 2025 as its new President & CEO, a sports industry visionary and strategist, Matthew has worked previously with multiple sports television networks and sports event properties over a 25+ year career.

Director of Operations
GSEH

Carrie Sandler serves as Director of Operations for GSEH, where she oversees the day-to-day execution of organizational strategy and ensures seamless coordination across multiple ventures. With a strong background in operational planning and process management, she plays a pivotal role in aligning resources, streamlining workflows, and supporting the company’s leadership.

Managing Director
Rising Stars

Amelia Sandler serves as Managing Director of Rising Stars, where she oversees the planning and execution of premier youth sports tournaments and events, she has built Rising Stars into a trusted tournament series for athletes, families, and coaches. Amelia also leads brand and sponsorship development initiatives for Gotham Sports & Entertainment Holdings (GSEH), forging strategic partnerships that elevate visibility.

Managing Director
Apex360 Sports Management

Makayla Serrett serves as Managing Director of Apex360 Sports Management, where she oversees strategic operations and drives the company’s mission to deliver comprehensive athlete representation and career development. With a background in sports management and a passion for empowering athletes, she leads initiatives in contract negotiation, brand partnerships, and long-term career planning.

President
Elite Edge Media

Nick LeBlanc leads Elite Edge Media as President, driving innovation in sports-focused digital storytelling and live content distribution. With a vision for elevating athlete visibility and fan engagement, he has positioned Elite Edge Media at the forefront of livestream production, brand partnerships, and multimedia coverage. LeBlanc’s leadership emphasizes transparency, creative excellence, and building platforms that empower athletes, families, and organizations to share their stories with impact. Nick is currently also serving as Interim President of PeakPlay Sports Network and advising Fieldstone on candidate selection.