Jayme Koszyn oversees all activities of Koszyn & Company. She and the group she manages is retained by clients for access to Ms. Koszyn’s strategic council and strategic planning retreats, as well as the streamlined, no-nonsense, highly-trained team which she supervises. Ms. Koszyn graduated from New York City public schools and holds a magna cum laude degree from Princeton University.

Dan Zanella joined Koszyn & Company 19 years ago. During his tenure with the firm, he has collaborated on projects for more than 50 non-profits, including dozens of nationally respected performing arts organizations. With a career spanning over four decades in development, Mr. Zanella served as chief development officer at both the American Ballet Theatre and New Jersey Symphony Orchestra and held senior positions with the national Easter Seal organization. His work within the arts sector has included assignments with more than a dozen orchestras, as well as numerous performing arts centers and producing companies encompassing dance, music, opera, and theater. Mr. Zanella graduated from the University of Hartford’s Hartt School of Music with a double major in Music Performance and Management.

Jo Leuenberger received her B.A. with departmental honors in English from Stanford University in 2023, where she worked as a Peer Advisor for the English Department, served on theater productions as a production designer and technical director, and received several grants and awards for her writing and research. Before Koszyn & Company, Jo worked at the Berggruen Gallery in San Francisco.

Abby Semelsberger received a B.A. in Business with a concentration in Arts Management, as well as a B.F.A. in Musical Theater from Marymount Manhattan College. She is an arts educator and has previously worked at AKA NYC and as a Development Intern at the Huntington Arts Council on Long Island. 

Rafael Weil began working with Koszyn & Company in 2006, when he refined and upgraded the company’s visual identity. Since then, Mr. Weil has designed numerous marketing pieces, including brochures, invitations, case statements, and presentations for many of Koszyn & Company’s clients. Working with Koszyn & Company, Mr. Weil designed the logo for National Foundation for Advancement for the Arts and collaborated with the World Federation of United Nations Associations to design their Global Citizen Campaign brochure. Mr. Weil was born in Caracas, Venezuela, and received a Bachelor of Fine Arts in Interior Architecture from the University of Massachusetts at Amherst, and a Master of Fine Arts in Graphic Design from Yale University. Following his studies at Yale, Mr. Weil served as Director of Design at the Brooklyn Academy of Music, where he implemented a new visual identity across the entire organization. Mr. Weil is fluent in Spanish, English and French.