A Look Back at 18 Years with Colleen Barry and Nicole Rideout Hartwick

This December marks 18 years of Gibson Sotheby’s International Realty—a journey defined by resilience, innovation, and a commitment to excellence. To celebrate this milestone, our Chief Executive Officer Colleen Barry and President Nicole Rideout Hartwick sat down to reflect on nearly two decades of unmatched experience, transformative growth, and an unwavering spirit of collaboration that …