A transplant to Knoxville from Northern California, Rosa Mar, of Market Square Ventures grew up in Healdsburg, California the eldest of four children of immigrant Mexican parents. Rosa retired in 2012 after a 27-year career with Levi Strauss & Co where she held various executive management positions, the last being the Global Sourcing Manager. Rosa is currently serving on several community non-profit boards of directors which include Pellissippi Community State Foundation, Leadership Knoxville Facilitation Committee, WDVX radio station, HoLa Hora Latina Cultural Organization and the Knox History Project. In 2024, Rosa same out of retirement for a short period serving as the CEO of the Hispanic Chamber of Commerce of East Tennessee which she held through January 2016. Rosa is a 1994 graduate of Leadership San Francisco, 2001 graduate of Leadership Knoxville, a 2001 winner of the Levi Mentor Award, a 2013 YWCA tribute to Women Finalist, and a graduate of the East Tennessee Regional Leadership Association Class of 2014. The role she cherishes most is that of mother, and she is proudest of her attorney daughter Marisa who resides in San Francisco.