Board of Directors

Amy Rushall


Amy Rushall has been a faculty member in the Department of Mathematics and Statistics at Northern Arizona University since 1998.   She has been active in the professional development of K-12 teachers throughout her career, most recently delivering the Intel Math program to K-8 teachers of northern Arizona through grants from the Arizona Department of Education.  Ms. Rushall has been a member of AATM since moving to Arizona in 1998.

Nanci Smith, Ph.D., NBCT


Nanci is using her passion and commitment for mathematics education as a full-time consultant in the areas of Mathematics, Curriculum and Assessment, Differentiation and PLCs. She has been a national and international consultant for fourteen years and has provided professional development in 47 states and 9 countries.  As a former high school teacher and university instructor, she brings over 20 years of experience to help teachers realistically implement our new standards. Nanci loves working with teachers and teacher leaders to develop deep mathematical understandings through cool and engaging activities and tasks to pass on to their students.

Allison Davis


Allison Davis serves on the AATM Board as Secretary. She works as a STEM kindergarten teacher in the Chandler Unified School District, specializing in teaching math to primary-age students. She also provides professional development for K-2 teachers around the state. She has presented her ideas about how to increase classroom discourse and differentiation at many national conferences. She has also presented ways to bring mathematical concepts to the forefront a STEM lesson and activities. She was awarded the Presidential Award for Excellence in Mathematics and Science Teaching in 2012.

Barbara Boschmans

NCTM Representative

Dr. Barbara Boschmans received a Bachelor’s degree in Secondary Mathematics Education, a Master’s degree in Mathematics Education, and a Doctorate in Curriculum and Instruction with an emphasis in Mathematics and Technology Education from Northern Arizona University.  She currently  is the director of the Lumberjack Mathematics Center at Northern Arizona University. She teaches mathematics content courses to future elementary teachers as well as a variety of first year college mathematics courses. She is interested in the mathematics education of preservice and inservice elementary and middle school teachers and the appropriate use of technology in mathematics. Barbara is NCTM Representative on the AATM Board.

Tara Guerrero

Regional Vice President - Western

Tara Guerrero currently serves as the K-8 Mathematics Coordinator for Crane School District in Yuma, AZ.  She has spent over 15 years as an educator having taught at both the elementary and middle school levels.  With her deep passion for mathematics education, she currently works to provide professional development and support to district leadership and teachers across the state.  She has served on state standard and assessment committees and was the project director for multiple federally funded MSP grants.  She is the current board secretary for Arizona Mathematics Leaders and is a program committee member for the National Council of Teachers of Mathematics Centennial Annual.  She cares deeply about the learning and teaching of mathematics and has been able to proudly serve as a representative for math educators across the state.

Gail Gorry

Regional Vice President - East Central

During the past two years Gail has worked with Gila County schools in her job as the Gila County Educational Service Agency Education Specialist. Her major responsibility has been in raising awareness of and providing training in the Arizona College and Career Readiness standards and practices with teachers and administrators throughout Gila County. Another part of her job is being a PARCC representative and Arizona Educator Leadership Cadre member. In prior years she has been a school and district level administrator and her tenure as a teacher of K-8 students continues over 20 years.

Chryste Berda

Regional Vice President - Maricopa

Chryste Berda serves on the AATM Board as the Regional Vice President for Maricopa. She has taught elementary, middle, and high school students, worked as a mathematics curriculum coordinator and instructional coach and led professional development workshops for administrators, teachers and parents throughout Oregon and Arizona. Her work with mathematics has been presented at National Council of Teachers of Mathematics (NCTM), Arizona Association of Teachers of Mathematics (AATM), and other educational seminars and conferences.

Eboney McKinney

Regional Vice President - Southern

Eboney McKinney joined the AATM board in 2018. She is a Student Achievement Teacher in the Sierra Vista Unified School District.

Maria Berkey

Regional Vice President - North East

Ed Anderson


Ed began his service as a board member of the Arizona Association of Teachers of Mathematics (AATM) in 1992. He first served as the State Coordinator for the State High School Math Contest and is currently the treasurer.  In 2006, Ed co-authored, “AIMS-Math” Barron’s Test Preparation Series, a study guide to prepare students taking the Arizona AIMS Math Test.  Ed is currently teaching at Hamilton High School in Chandler.  Ed enjoys finding new ways to incorporate technology into the classroom.    During the last several years, he recruited and trained teachers throughout the East Valley in the use of the WebWork homework system.

Lori Everson

Membership Chair

Lori Everson is the Curriculum and Academic Achievement Coordinator at Caurus Academy.  She double majored in Early Childhood and Elementary education and hastaught all grades from Kindergarten up through 8th grade over her 20 years of experience. Lori also serves as the Membership Chair on the board for the Arizona Association for Teachers and Mathematics (AATM) and has been featured in a mathematics book, Every Math Learner. Prior to Common Core, Lori wrote complete curriculum for two separate school districts in Iowa and has experience training other teachers in professional development at multiple schools.  “I have a passion for curriculum and children, and I’m eager to be an integral part in providing education with relevance for each child. “

Nora G. Ramirez

Professional Development Chair & TODOS Representative

Nora’s work as a mathematics education consultant  focuses on promoting equity, conceptual understanding, and effective instruction for  all students, especially English language learners and students with disabilities. She recently co-edited and co-authored Beyond Good Teaching: Advancing Mathematics Education for ELLs. She actively participates in several mathematics education organizations and serves as a member of many advisory boards throughout the nation. She serves as the Professional Development Chair and the TODOS representative on the AATM Board.

Kimberly Rimbey, Ph.D., NBCT

Advocacy Chair

As a highly-decorated professional developer, curriculum director, math coach/specialist and classroom teacher, Kimberly brings nearly 30 years of experience to the K-12 education field. Kim’s passion for impacting great mathematics teaching and learning emerges in her work with teachers and their leaders in her roles as Co-founder and CEO of KP Mathematics and as the Director of Curriculum and Assessment for the Buckeye Elementary school District. In the past decade, Kim achieved National Board Certification in Early Adolescence Mathematics, received the Presidential Award for Excellence in Mathematics and Science Teaching, and was named Alumna of the Year at Grand Canyon University. Kim serves on numerous curriculum and assessment committees throughout Arizona and the U.S.

Nicole Kooiman

Communications Chair

Nicole began her service as the Membership Chair of the Arizona Association of Teachers of Mathematics (AATM) in 2007. She also has Co-Chaired the Fall Conference for the past couple years in addition to managing AATM’s social media sites.  Nicole is currently teaching at Santan Jr High School in Chandler.  In her free time, she enjoys hanging out with her two kids!

Jean Tsuya

Finance Chair/Historian/Mini Grants

Jean Tsuya is a recently retired mathematics teacher with 32 years of experience in the classroom and as a mathematics instructional coach. Jean currently works as a consultant in mathematics education. In addition she serves as the Past President of AATM; elections chairperson; and conference committee member on the board.  Jean’s passion is working with both students and teachers to empower them through mathematics.

Amy Francis

Elections Chair

Amy Francis graduated from Concordia University, Chicago
in 2000, but her love for children has been there her whole life. She has taught for 16 years. She loves that she can connect with children and seeing them reach goals they never thought they could. She enjoys helping teachers get the resources they need to be the best teachers they can be. She is originally from Illinois, but moved to Arizona in 2005. She loves the weather and outdoor life here. When she is not at school she loves spending time with her family. She is married and has two wonderful children. She loves hiking, running, and finding bargains when shopping.

Jaclyn Wood

STEM Collaborative Representative

Jaclyn Wood is a Master Teacher at Skyline Ranch K-8 school in the Florence Unified School District. She recently joined the AATM board and was Program Chair for the AATM Annual Conference in 2017 and 2018.

Jane Gaun

AML Representative

Jane Gaun currently serves as the K-12 Mathematics Coordinator for the Flagstaff Unified School District. She oversees the development and implementation of mathematics curriculum and instruction and also coordinates and instructs professional development activities for teachers and administrators designed to strengthen mathematics teaching and learning. Jane facilitates the newly formed Secondary to Post-Secondary Mathematics Collaborative between mathematics instructors from FUSD, Coconino Community College, and Northern Arizona University. She has worked for the Coconino County Educational Services Agency providing learning opportunities for teachers throughout Northern Arizona and is the President of the Arizona Mathematics Leaders, an NCSM affiliate. She is the AML representative on the AATM board.

Sal Vera


Sal Vera is the AATM webmaster. He was a former High School Mathematics teacher for 9 years, Middle School teacher for 3 years and Community College instructor for 10 years.  Sal has served as curriculum coordinator and department chair at the High School level, tutor supervisor at the university level and has served as a mentor teacher to numerous pre-service teachers. Sal is currently teaching in the Department of Mathematics & Statistics as a full time Lecturer at Northern Arizona University. At NAU, he serves as a course coordinator for the Lumberjack Mathematics Center and teaches a variety of first year college mathematics courses. He enjoys working with students of all grade levels and encourages them to engage with mathematics through group work, problem solving and the use of technology.

Board of Directors

Regional Vice Presidents

Appointed Positions