Our Story

30 Years & Counting…

A family-run agency committed to core values. When you join us, you become part of a family — not just another client.

About Us

Based in Athens, Greece, we at Diamond Sports bring together the heritage of Greek-American leadership with deep basketball industry experience. Founded by Lou Diamantopoulos, a respected figure in basketball, our agency has earned a reputation for trust, integrity and success.

What We Do

• We represent players and coaches at all levels — from rising stars to seasoned professionals.

• Our services include contract negotiation, career planning, brand development, and off-court endorsements.

• We are officially licensed by FIBA, ESAKE, the German BBL and other major organisations, giving our clients access to key markets and opportunities.

Our Approach

We work closely with you to build a long-term partnership founded on mutual trust and shared goals. Our team — including Elias Diamantopoulos, Panos Diamantopoulos and Mike Diamantopoulos — combines industry insight with a creative mindset to help you succeed, both on and off the court.

Ready to take the next step? Contact us today and discover how we can help you achieve your full potential in the world of basketball.