Kellen is a leading global provider of management and strategic support services to associations, professional societies, and membership-based nonprofits. Our team of more than 350 association professionals provide industry-leading...
529 14th Street, NW, Suite 1280, Washington, DC 20045 United States
Kellen is a leading global association management and integrated marketing communications partner. We provide tailored solutions to grow your association and help you achieve its mission. Our 300+ global...
355 Lexington Ave 15th Fl, New York, NY 10017-6603 United States
