Shaun Osher is the Founder and CEO of CORE Group Marketing, and is widely regarded as the preeminent expert in development marketing. He is passionate about making each development he represents completely unique, partnering closely with his developer clients to shape properties tailored to their respective markets.

Shaun founded CORE Group Marketing as a boutique firm able to move quickly, think creatively and deliver what the market demands. One of New York's most respected and successful brokers, Shaun has worked hand in hand with developers since the luxury conversions began in the 1990s. He has an uncommon understanding of both developers' and buyers' needs, combined with exceptional acumen for sales and negotiation, as well as charm and wit. Shaun's reputation for quality and integrity are fundamental to CORE, where he has brought together a nimble team of experienced professionals, some of whom have worked together for many years.