Dr. Sandi Cooper, professor, received E. Glenadine Gibb Achievement Award for elizabeth glenadine gibb was a professor and mathematics teacher educator at the university of texas at austin. among her years of service to mathematics education, dr. gibb was a past president of the national council of teachers of mathematics (nctm) and the first editor of nctm's professional journal, arithmetic teacher. each year, the tctm board of directors honors dr. gibb's service by recognizing a texas mathematics educator who has made contributions to the field at the state and/or national level. from Texas Council of Teachers of Mathematics, 2022.