Joan Herlong & Associates Sotheby’s International Realty adds Diane Bostrom

Diane BostromGREENVILLE, S.C. —One of the Upstate’s most dynamic real estate leaders, Diane Bostrom, has joined Joan Herlong & Associates Sotheby’s International Realty.
Diane comes to Joan Herlong and Associates Sotheby’s International Realty after spending the past three years as a Sales Executive for the Reserve at Lake Keowee. She possesses a wealth of real estate experience having worked with ReMax, Allen Tate, and First Choice Realty in her career. She has earned her Luxury Home Certification and was a top percentage producer at each of her prior real estate stops.

“I carry a huge sense of commitment to both my buyers and sellers,” Diane said. “I would truly call myself a Lake Keowee professional with a great knowledge of all the communities on the lake.”

A native of the Finger Lakes Region in the heart of New York state, her childhood love of agriculture and showing beef cattle nationally led her to the State University of New York (SUNY) College of Agriculture and Technology at Cobleskill where she earned a degree in Animal Science. Diane moved to the Oconee County area of South Carolina in 2009.

“We're so fortunate to have Diane join us. Her knowledge of the lake market, her expertise in luxury sales, and her tireless work ethic fit perfectly with our company culture. So many of her clients become her friends, because it's not transactional with Diane, it's personal,” said Joan Herlong, owner and CEO of Joan Herlong & Associates Sotheby’s International Realty.

About Joan Herlong & Associates Sotheby’s International Realty:
Joan Herlong & Associates Sotheby’s International Realty is one of the leading and most trusted names in real estate in Greenville. Joan Herlong founded the company in 2011 as Realty. In 2017, Sotheby’s International Realty persuaded the company to affiliate and become Joan Herlong & Associates Sotheby’s International Realty. The company has more than doubled in both agent count and production volume since that time. Learn more at

About Sotheby’s International Realty Affiliates LLC
Founded in 1976 to provide independent brokerages with a powerful marketing and referral program for luxury listings, the Sotheby’s International Realty network was designed to connect the finest independent real estate companies to the most prestigious clientele in the world. Sotheby’s International Realty Affiliates LLC is a subsidiary of Realogy Holdings Corp. (NYSE: RLGY), a global leader in real estate franchising and provider of real estate brokerage, relocation and settlement services. In February 2004, Realogy entered into a long-term strategic alliance with Sotheby’s, the operator of the auction house. The agreement provided for the licensing of the Sotheby’s International Realty name and the development of a full franchise system. Affiliations in the system are granted only to brokerages and individuals meeting strict qualifications. Sotheby’s International Realty Affiliates LLC supports its affiliates with a host of operational, marketing, recruiting, educational and business development resources. Franchise affiliates also benefit from an association with the venerable Sotheby’s auction house, established in 1744.

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