As chairman and CEO, Spain leads the Alpharetta, Georgia-based brokerage he founded in 2016. The company, which employs a business generation model, does over $3.8 billion in annual sales. With offices throughout the southeastern United States and a Guaranteed Offer program widely publicized in its service areas, Mark Spain Real Estate is consistently recognized as a fast-growing company regionally and nationally. Before establishing his brokerage, Spain operated teams affiliated with Keller Williams Realty and Re/Max.