Joost Kooistra Sportmanagement is a volleyball-focused sports management agency that helps professional athletes and emerging talents pursue their sporting ambitions. The organization connects players and coaches with opportunities around the world, supporting clients at different stages of their careers.

Its services include scouting and placement, matching player and coaching talent with suitable clubs and roles. The agency also provides player branding and promotion, creating professional profiles and highlight videos to help athletes gain exposure to clubs and agents. Through career guidance and mentorship, it offers personal support and advice to help athletes build sustainable careers. The site also features a volleyball and study opportunities service in the USA.

Joost Kooistra Sportmanagement represents both women’s and men’s volleyball players and lists coaches, with profiles that include roles, experience, current clubs and availability. Based in Assen, the Netherlands, the organization identifies Joost Kooistra as an FIVB-licensed agent. Athletes, coaches and prospective partners can contact the agency by email or WhatsApp to discuss opportunities and collaboration.