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Angelica M. Stacy is a Professor of Chemistry at the University of California, Berkeley. At Berkeley, she teaches introductory chemistry and does research in materials chemistry and chemistry education. She has received numerous awards and honors for her teaching and held the President’s Chair for Teaching at the University of California from 1993 to 1996. In 2005, the National Science Foundation named Dr. Stacy a Distinguished Teacher Scholar. As a part of her work to help more students succeed in science and gain a better understanding of the principles of chemistry, she has participated as a member of the Physical Sciences Design team that helped develop the Next Generation Science Standards. She has also participated on various AP® chemistry course committees as part of the College Board’s efforts to redesign the AP® chemistry course and exam. Dr. Stacy has worked for many years in designing and refining the Living by Chemistry curriculum. She developed this curriculum to support students as they learn chemistry by offering them engaging challenges that relate to the world around them.