TIGER 21 Madrid

TIGER 21 Madrid is part of the premier global peer membership organization for ultra-high-net-worth entrepreneurs, investors and executives. With success comes challenges and opportunities, and TIGER 21 Members, through deep, trusted relationships, rely on each other to take their lives to the next level.

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  • Gabriella Mainland

    Senior Director, Membership Development

  • Fill out an inquiry form and a member of our team will be in touch to see if TIGER 21 is the right fit for you.

Chairs

  • Arturo Guillén

    Arturo Guillén

    TIGER 21 Chair, Madrid

    Arturo Guillén is the Chair of Madrid 01. A global media and analytics leader with over 26 years of experience driving growth across the entertainment and sports sectors. Today, he is the Founder and Chairman of WOW, a sports entertainment platform broadcast in 170 countries, invested by Cristiano Ronaldo and Ilia Topuria. Most recently, as EVP and Global Managing Director at Comscore (NASDAQ: SCOR), he spearheaded the worldwide expansion of film measurement, securing multi-million-dollar partnerships with major Hollywood studios and scaling operations across Asia, Africa, and the Middle East. An expert in cross-border operations and corporate governance, Arturo previously held senior leadership roles at Rentrak and Nielsen EDI, where he pioneered international VOD measurement. Currently he also serves on the Board of Directors of Nebrija University. A member of YPO and a "40 Under 40" honouree, Arturo is a recognized authority on navigating complex, publicly traded global markets. 

TIGER 21 offers Members a confidential place to discuss, learn, and network as you navigate these issues of wealth and success through:

Candid Monthly Group Meetings

with up to 15 peers who become your trusted confidantes

Cutting-Edge Thought Leadership

through virtual and in-person conferences and events

Access to an Unparalleled Network

of wealth creators worldwide with deep collective intelligence

I never thought I’d find a group aligned with my core vision of trying to evolve, grow, preserve wealth, be a great human being, and raise great kids. TIGER 21 changed my life. It changed me as a person, and it changed the future of what it means to be a Dyrdek.

Rob Dyrdek

When you’re blessed and you’re growing your world, it’s very difficult to talk to people about how much you have and what plans you have. But TIGER 21 offers a platform where you can openly share with people who are in the same position.

Sanjay Singhania

When you have a lot of success, it’s a great thing, but it’s also a little isolating. Now I’m in a community of people that are faced with the same things I’m faced with.

Doug McKeige

Featured Insights

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Member & Chair Insights

April 28, 2026
[Register Now] Critical Relationships: Navigating Family, Influence, and Control Across Generations

Member Experience

April 23, 2026
The Power of a Trusted Introduction for Building a Powerful Peer Network

Family & Legacy Planning

April 21, 2026
Succession vs. Sale: Navigating a Family Business Exit

Business & Entrepreneurship

April 17, 2026
What Is a Business Exit Strategy

Member & Chair Insights

April 16, 2026
TIGER 21 vs. Long Angle: Comparing Two Elite Peer Communities for High-Net-Worth Entrepreneurs

Family Office

March 20, 2026
What Are the Differences Between a Single Family Office and Multi-Family Office

Family Office

March 17, 2026
What is a Family Office?

Family Office

March 13, 2026
How to Set Up a Family Office: A Guide for UHNWIs

Family Office

March 10, 2026
How to Choose the Right Family Office

Business & Entrepreneurship

March 10, 2026
What Are the Types of Business Exit Strategies
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Explore the Issues That Keep Wealth Creators Up At Night

TIGER 21 is an exclusive global community of ultra-high-net-worth entrepreneurs, investors, and executives. Fill out an inquiry form, and a member of our team will be in touch.

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  • TIGER 21 Membership Criteria
    • $20MM in qualifying net worth*
    • Readiness to share
    • Willingness to learn
    • Commitment to not solicit
    • Commitment to attend monthly meetings

    *Excluding personal use assets. Please note that meeting the qualifying net worth minimum does not guarantee admittance. There are other important, less easily defined requirements that are qualitative in nature and at the discretion of TIGER 21.

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