Prior to joining her family’s business in 2012, Cassie co-owned and operated two art galleries (Goff + Rosenthal) for nearly a decade; one in New York and one in Berlin. She was featured in The Wall Street Journal, the New York Times, Art+Auction, and Artnet, and was interviewed by the BBC Radio and CNBC's High Net Worth television program as a commentator on the art world. At Rosenthal, Cassie sources, analyzes and closes new business for the firm. Additionally, she has also been instrumental in developing an integrated marketing strategy for the firm, including the recent re-branding of the company.
She received her BA from Colgate University and a Masters in Art History from the Sotheby's Institute in London. Cassie is one of the founding members of the New York Advisory Board for Let’s Get Ready, a nonprofit organization that supports first generation college-bound and low-income high school students through the college-going process. Cassie is also the President of the Board of WHOW (Women Helping Other Women), a charitable professional women’s networking group supporting the betterment of women and children.