Rubenstein became realtor.com chief revenue officer in 2020 a position in which he oversees the firm’s strategic sales, growth and support across the company’s various products. He joined realtor.com in 2018 when parent company Move Inc. acquired Opcity, the real estate lead-acquisition and -conversion he founded in 2015 and led as CEO. He was named an Ernst and Young Entrepreneur of the Year in 2018.