Gail Greet Hannah is a writer specializing in design and marketing. She was a friend of Rowena Reed Kostellow and worked with her to publish her teaching method. She lives in Cold Spring Harbor.

She graduated from Hongik University, College of Fine Arts, Department of Industrial Design and received his MFA from Pratt Institute Graduate School of Industrial Design. Since 1995, she has been a keynote professor at Samsung Art and Design Institute (SADI), and since 1999, she has been a research professor at Parsons School of Design and Pratt Institute’s Department of Industrial Design in New York City. Currently, she teaches three-dimensional sculpture at Parsons School of Design’s foundation program and is the director of the Rowena Reed Costello (RRK) Foundation Workshop, where she conducts workshops and conducts research. In Korea, she has been conducting workshops in basic sculpture since 2007 with the support of the RRK Foundation and the Pratt Institute. In the spring semester of 2011, she was invited as a visiting professor at Yonsei University’s Department of Living Design. Since then, she has been disseminating the principles of systematic basic sculpture education for creative design through faculty workshops in the design field.