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Maximizing athletes’ potential

We are a full-service development, representation and consulting agency providing personalized and custom-tailored services to our clients worldwide. GSI is dedicated to maximizing its clients’ potential and value on and off the field. We represent athletes and coaches of elite character in professional baseball around the world, and collegiate athletes through our name, image and likeness program. GSI builds long-lasting dynamic careers with the goal of creating generational growth and wealth for our clients and their families.

Meet The Team

What they've said about us

Measurable results are the name of the game. Here are excerpts from our clients.

“Han and GSI entered our lives and careers at a time when I needed the most help. They helped us navigate not only going overseas to play but also coming back to the MLB after.....”

Josh Lindblom

“Before Han and GSI, I was part of a huge agency and I didn’t get the dedication I needed from them. The second I signed with Han, it was as if I was his only player. His dedication.....”

Tyler Herb

“Playing overseas can be overwhelming, but working with GSI has made my life and career abroad enjoyable. Not only am I chronically kept in the loop, but I also have full support.....”

Drew Gagnon

“Han and GSI’s expertise and commitment have been instrumental in helping me navigate and acclimate to life in America. Han has always been there to help me regain my composure.....”

Won-Bin Cho

Our mission is to exceed your expectations

We specialize in ensuring success on and off the field. Our services range from contract negotiations, preparation for the draft, player development, media preparation, social media support and marketing to providing access to legal support, community outreach and post career opportunities. At the heart of it all, we have a passion for our players and their families, and take pride in providing white glove and cultural acclimation services every day.

Adapt, Survive, Thrive