Callosum maintains a network of affiliates who collaborate with Callosum and our clients to offer the best in professional development and staff branding. Understand the expertise of our affiliates — Josette Goldberg, P.J. McGuire and John Vautier — on our management page. Our go-to network enables our clients to accomplish goals quickly and efficiently utilize services Callosum has screened and trusts resulting in high-level cohesiveness and like-mindedness to accelerate client results.