NEXTSTAGE TEAM
Nextstage combines investment, operations, and commercial expertise to transform and operate arena assets across Europe, supported by a network of partners across sports, infrastructure and international business.
JAMAL MASHBURN
Founder of Helen Holdings Family Office and former NBA All-Star.
Entrepreneur and investor with a strong track record in business leadership, asset ownership, and capital deployment across sectors including real estate, hospitality, automotive, and infrastructure.
As Partner and investor, he supports Nextstage with strategic development, governance, and capital to execute its arena platform.
Jose Luis Rosa Medina
CEO
Experience across sports, media, and venue commercial development in international markets.
Leads strategy, partnerships, and platform development at Nextstage.
Marc Bertomeu
COO
Experience in infrastructure delivery and multi-stakeholder project execution.
Leads operations and asset development across the platform.
Manuel Baglikaya
CBO
Entrepreneur with experience building and scaling ventures in sports and entertainment.
Leads commercial strategy and revenue development at Nextstage.
Jason Bass
CFO
Finance executive with experience in real estate and capital strategy across development projects.
Oversees financial structuring and capital planning.
Uné Jurkstaite
Strategic Advisor
Experience in arena development and sports infrastructure projects across international markets.
Support the team in strategic planning and project execution.
Antonio de la Rosa
Strategic Advisor
Experience in large-scale venue development and commercial strategy, senior roles at Legends.
Supports commercial development and operational strategy.