During his 10-year tenure at the Albright-Knox, Grachos has built long-standing relationships with artists, donors, and nationally prominent art collectors. He oversaw of the growth and development of collections, exhibitions, and programming at the 150-year-old gallery, and has a proven track record in fundraising and building strong ties to the community. In addition, Grachos has initiated a space study for a master plan for growth at the Gallery. Perhaps most importantly, Grachos oversaw significant growth of the permanent collection of the Gallery through a variety of significant donations, commissions, and major acquisitions.

Grachos previously served as the director of SITE Santa Fe, where he led the renovation of a warehouse for exhibition space and was a driving force behind a highly successful international biennial. He also served as curator at the Museum of Contemporary Art in San Diego, and as both the interim director and curator of exhibitions at the Center for the Fine Arts in Miami. Prior to these roles, he held various positions at the Queens Museum of Art and The Americas Society, as well as internships at the Whitney Museum of American Art in New York and the San Francisco Museum of Modern Art.