IOWA COUNCIL OF TEACHERS OF MATHEMATICS

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Lori Mueller, President

Currently, I am a Math Consultant for Great Prairie AEA. I love working with schools and helping them to create better systems in which to teach our children. I also love teaching classes that teachers can use for renewal credit for their teaching licenses. I am lucky to be in a job where I am able to meet so many big name people in mathematics, as mathematics is my passion. Reading and spending time with my family are also passions for me. If you have questions about ICTM I would love to help answer them. Check us out on Facebook too!

Deidra Baker, Past-President

I have been a member of NCTM for about 30 years, and a member of ICTM for about 25 years. I have been teaching high school in Iowa for 26 years. I love teaching math because I can get kids excited about learning a subject many may be scared of. I love being a confidence booster and watching kids get better at math, as well as thinking and communicating. I love to read, travel, and meet new people. Traveling to math conferences to meet and work with other math people is the best!


Suzanne Riehl, Vice President Post-Secondary

I teach at the University of Northern Iowa. I started here in 2001 after finishing graduate school and have taught a wide variety of courses to non-majors, pre- and in-service elementary/middle school teachers, and mathematics majors. Recently, I have taught many sections of Calculus I with a few upper level courses for variety. In addition to the content learning goals of any particular course, I emphasize learning about learning mathematics and encourage students to develop productive study methods, metacognition, and a growth mindset. Although my degree is in mathematics, I have always been fascinated with how people learn and so strive to improve my teaching. I’m pleased to serve on the board of ICTM! Outside of school, I enjoy yoga, long walks, and gardening. I also regularly play duplicate bridge and occasionally complete a knitting or quilting project.

Allysen Lovstuen, Vice President Secondary

I live outside of Decorah in the northeast corner of the state with my husband, 3 children, 2 dogs, and a cat. Having two high schoolers keeps us pretty busy! But I can usually find a little time to each day to read on my Kindle, even if it is just while I am waiting to pick someone up from practice. I also tend to find time to start projects... but not necessarily finish them. I have been teaching at Decorah High School since 2001. I currently teach Algebra 1, AP Computer Science Principles and AP Calculus AB, which includes co-teaching a joint AP Calculus AB/AP Physics C course. I am also the high school Talented and Gifted Coordinator and a Collaborative Teacher (part of the Teacher Leader program). What brings me joy in the classroom is increasing student thought and mathematical discourse, empowering students by building their metacognitive skills, and bolstering their confidence by showing them they can meet high expectations. My B.A. and M.A. in mathematics are both from the University of Northern Iowa and I am certified in PK-12 talented and gifted as well as mathematics. I am an active member of the Iowa Outstanding Educators Advisory Council and a former recipient of the Presidential Award for Excellence in Mathematics and Science Education and the Yager Exemplary Teaching Award.

Sarah Martin, Vice President Middle School

Hi, this is my twentieth year teaching in Iowa. I have taught fifteen of those years in Shenandoah, Iowa and I currently teach 7th graders. I am a huge UNI fan earning both my BA and MA from there. I am a member of both ICTM and NCTM. I am also a member of the State Math Leadership Team. My passion is middle level mathematics and finding new ways to engage learners. I am very active on Twitter. When I’m not working on math I like to read, use my plasma cutter, garden and travel with my husband.


Angie Shindelar, Vice President Elementary & Communications Director

I am enjoying serving on the ICTM Board as the VP for Elementary. My passion is supporting teachers and students to teach and learn math in meaningful ways that build understanding.The elementary grades are when students' beliefs and attitudes about learning math are shaped. These years are critical to students' future success. I have been an NCTM and ICTM member for over 20 years. I value the learning and sharing of ideas as well as the support from both organizations. The Math Community has become more accessible in the digital age and I love feeling connected to so many people in math education both around the state and nationally. I have taught middle school math for several years and have served in math leadership roles more recently. I am returning to the classroom in 2020-2021 to work with students again. Quite honestly, I miss kids and teaching. I am looking forward to sharing my love of learning math again.

Maureen Busta, Executive Secretary

I have served on the Executive Board for over 25 years in many capacities and love working with the organization. I enjoy being a part of the only professional organization for PK-16 math educators in Iowa. I retired from teaching face-to-face classes for Upper Iowa University but continue to teach online for them. I love working with students and helping them learn mathematics. My husband and I have 3 sons and 5 grandchildren and we enjoy going to visit them in West Des Moines, Colorado and California.

Deb Tvrdik, Treasurer

I have been a member of ICTM for over 40 years and have served on the board in various positions. I began as a regional director in AEA 3. In addition to my present position, I have served as President, NCTM representative, and Journal Editor. Serving on the board has allowed me to meet many dedicated math educators from across the state. The interaction with others has always been a source of inspiration and has challenged me to keep current with the best practices in mathematics education.

I received my BA from the University of Northern Iowa and my MSM from Iowa State University. I began my teaching career in Algona at the middle school and then taught high school math at Paton Churdan. The majority of my career was as a high school math teacher at Fort Dodge Senior High. Presently, I am an online Statistics instructor for University of Upper Iowa and Iowa Central Community College. I still love seeing students have those “aha” moments.

My husband and I were both career educators and have 2 adult children who are both married. In my spare time, I enjoy spending time with my family, especially my 3 grandchildren! Being semi-retired has allowed me to travel and play duplicate bridge at the tournament level.

Deb Little, Regional Director, Central Rivers AEA

Being one of the few elementary teachers on the board, I bring a different perspective. I understand what it is like to try to teach all of the content areas well-- including mathematics. Currently, I teach fourth grade in Denver, Iowa. I have also taught first, second, fifth, and sixth grades. Teaching mathematics is my favorite part of the day. In my classroom, I encourage students to trust in their mathematical thinking and to share their strategies and reasoning with one another as they engage in problem solving activities. As a practitioner, I am constantly trying to improve my mathematics instruction and welcome opportunities to share and learn through classroom observations/learning labs, discussions on social media, conferences, etc. Please contact me through email: dlittle@denver.k12.ia.us or on Twitter: @Mrs_Little_17. I look forward to the opportunity to share and learn together with you!

Mike Bevelacqua, Regional Director, Grant Wood AEA

Currently, I teach mathematics at City High School in the morning and in the afternoon I work with teachers throughout the district as an Instructional Design Strategist on the ICCSD Innovation Team.  In the Spring you will also find me coaching the CHS Varsity Girls Golf Team. I believe in equitable, student centered, future focused instruction with high expectations and worthwhile opportunities for all children.  In my classroom; everyone’s story is their own, everyone is a student, and everyone is a teacher. Away from work, I enjoy traveling, Hawkeye sports, playing golf, and spending my family and friends. 

Julie Yurko, Regional Director, Great Prairie AEA

What I teach:  K-12 Math Instructional Coach for Fort Madison SchoolsWhy Math:  Honestly, I hated math until I was in High School.  There I had teachers who challenged me and helped me see the importance of math in real life.  From then on, I saw math as a fun and challenging puzzle just waiting to be pondered. I love being a part of ICTM...hanging out with these hard-working, like-minded math people is a great way to keep up on the latest in Iowa Math!  When I’m not at school or learning more about math and Instructional Coaching, you might find me quilting, hiking, or rooting on my beloved St. Louis Cardinals (GO CARDS!).

Deborah Roberts, Regional Director, Green Hills AEA

I am from Corning, Iowa and live on a farm near Lake Icaria. After teaching high school math and science classes for 21 years, I am now beginning my 6th year teaching math at Southwestern Community College in Creston, Iowa. I actually earned my AA degree from this college before transferring to NWMSU to earn my BS of Mathematics Education in 1993. I later entered the Master of School Mathematics program at ISU, completing this degree in 2003. Every step of my education, whether as a student or an instructor, has been exciting, hard work, interesting, and rewarding. I served a term as the AEA ICTM representative before the consolidation of AEA districts some years ago, and am privileged to now serve as the Green Hills Regional Director. I spend a lot of time with family and have seven grandchildren to date—ages six and under! I am an avid gardener and enjoy all types of needlework as well as sewing. I also like almost ALL sports—especially the Chicago Cubs!


Jordan Edgerly, Regional Director, Heartland AEA

I currently teach at Waukee High School and am in my 11th year teaching high school math.  I also teach several math and education courses for Upper Iowa University and Grandview University in Des Moines.  I love the balance of challenging and guiding high school students as they learn mathematical principles, while also helping to equip future educators to effectively teach mathematics.  Being a member of both NCTM and ICTM is so valuable to me as I continue improving my teaching practice and connecting with other educators that are passionate about improving mathematics education, as well.  When I'm not in the classroom, I enjoy coaching football and track, as well as spending time camping and biking with my family.

Karla Digmann, Regional Director, Keystone AEA

I am an 8th grade math teacher at Washington Middle School in Dubuque. I am passionate about teaching math and helping students find joy and success in doing mathematics. Teaching involves so many challenges, but I believe that is what makes my career so rewarding. In addition to math, my other loves include my husband and four children. Life is busy, crazy, and so enjoyable!


Shannon Pasgovel, Regional Director, Mississippi Bend AEA

I was born and raised in a small town, Wilton, Iowa. My husband, 2 children, and German Shepherd live on our 3rd generation hog and grain farm in rural Tipton. I enjoy learning new things, collaborating with others, and watching suspense/dramas on Netflix.

I earned my AA degree from Muscatine Community College, BA from the University of Northern Iowa and MA from Drake University. I began my teaching career in Davenport at Sudlow Intermediate teaching 7th & 8th grade students Mathematics for 10 years. Currently, I am a PreK-12 Educational Consultant with the Mississippi Bend Area Education Agency, MBAEA. As a consultant I have the opportunity to do what I love, be sociable and a leader because in this position it's all about networking and problem solving with and for individuals, teams, and systems. I’ve been in education for 18 years and a member of the ICTM, IA-NCSM, IA Core Advocates, NCTM, and NCSM. I’ve had the honor to serve on our ICTM board for the past 2 years.

Valerie Sitzmann, Regional Director, Northwest AEA

Hello! I have been an Iowa educator for 27 years (24 years in a middle school classroom and 3 years as a Math Consultant for NWAEA). In the classroom, I enjoyed the challenge of making all students feel like they were mathematicians as well as assisting all students to be successful with math. As an educational consultant, I now get to share my love of math with other educators and get the privilege to work with students of all ages.

I am a relatively new member of the ICTM Board, only serving 3 years, but I have been a longtime ICTM and NCTM member; I am also an Iowa Core Advocate and a member of the State Math Leadership Team. Getting to meet and work with other math educators from across the state and meet leaders in mathematics education has been the highlight of my time on the ICTM Board.

I live with my husband in an empty nest in Kingsley. We enjoy golfing, home improvement projects, spending time at the lake, and traveling to national parks.

Chandra McMahon, Regional Director, Prairie Lakes AEA

This is my twenty-second year teaching high school math in Iowa; the last 16 years I have been at Humboldt High School.  I have taught everything from the lowest level high school math class to AP Calculus.  I have been a member of ICTM and NTCM for 15 years.  I love teaching math and seeing students get excited when they understand.  I love the patterns and relationships that math allows us to see. My husband and I have three adult children.  Our oldest was married last summer.  Besides visiting our children, I enjoy quilting and reading.


J.R. Zeitler, Student Director

I am from Bloomfield, Iowa, and I am currently a Sophomore at Central College. I am majoring in Elementary Education with Middle School endorsements in Math, Social Studies, and coaching. I participate on the football team at Central and as a moral leader in Dance Marathon. I'm studying to be a teacher because I love being an influence of a young person's life and love doing so through mathematics. I have always enjoyed math and learning the various complex components that consist of it. I am extremely excited to have a role on the ICTM Board, and I am looking forward to all the opportunities that will arise with the position.


Teresa Finken, Featured Article Content Editor

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Marty Beck, NCTM Representative

While I started my teaching career as an 8th-grade language arts teacher, I found my passion when I was able to shift to teaching mathematics. After two decades as nomad military family, my husband, dog and I have found our home in Bettendorf, Iowa where I am currently the Math Curriculum & Professional Development Teacher Leader for the district as part of the TLC program. It is a good thing that I am a PD junkie myself because, in this PK-12 position, I’ve had a great deal to learn about teaching mathematics in the elementary school. Working with teachers to help them learn to love teaching math and instill that love of mathematics in students is extremely rewarding.

Outside of work, I serve as the representative to NCTM from our Iowa Council of Teachers of Mathematics as well as the president of the newly formed IowaCSM, an affiliate of NCSM, the national organization for math leaders. My hobbies include leading a Girl Scout troop of 6th-12th grade girls and a GS day camp every June, camping, biking, reading, doing puzzles, and traveling, especially to visit our three children who have left the next.

Catherine Miller, Government Liaison

I teach courses in mathematics education at the University of Northern Iowa. Prior to this, I taught mathematics and mathematics education courses at the University of Arizona, Pima Community College (in Arizona), and at California State University Long Beach. My teaching also included 5 years at Long Beach Polytechnic High School in California, where I taught in two magnet programs and coached tennis. I have been a member of ICTM since I started teaching high school in 1985, and joined ICTM when I moved to Iowa. I am honored to be appointed as ICTM’s Government Liaison in hope that we can all work together to advocate for the effective mathematics education for all Iowa’s students.

April Pforts, Iowa DE Mathematics Representative

I have been a member of NCTM for about 15 years, and a member of ICTM for about 5 years. I have taught middle and high school mathematics in Iowa for 10 years before becoming the mathematics consultant at the DE. I love leading mathematics educators because I am able to impact students through their teachers, coaches, and administrators. I want students in Iowa to be the best problem solvers in the world. I want mathematics to never be the barrier for a student to go after their dreams. I love to binge watch Net-flicks, travel, and hang with my family. Representing and serving the state of Iowa at the national level is both rewarding and humbling.

Marci Ostmeyer, Membership and Affiliate Relations Committee (MARC) Representative (Central 2):

Marci began her career in education as a 4th grade teacher and later transitioned to teaching middle school and high school mathematics. Marci is currently the Professional Development Director at Educational Service Unit 7 in Columbus, Nebraska. Through her role, Marci coordinates her department to support nineteen public schools across the ESU 7 service area. Marci also serves as the math specialist for ESU 7, assisting school district teachers and administrators with teaching mathematics and selecting high quality instructional materials. 

In 2020, Marci began her service on NCTM’s Membership and Affiliate Relations Committee (MARC) where she serves as a liaison for the Central 2 Region (Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota & Wisconsin).

Marci and her husband Rance have three awesome children, two incredible daughters-in law, and four amazing grandchildren. They enjoy traveling, spoiling grandchildren, and taking long drives with no particular destination in mind. Marci has only lived in Kansas and Nebraska, but has a love for watching the ocean waves roll in whenever she gets the chance to visit Hawaii or California.


Wendy Weber, Webmaster

I teach prospective mathematics teachers how to instill the joy of learning and doing mathematics into their future students. I especially enjoy teaching reading, writing, and speaking mathematics. ICTM is a great organization to share new ways to teach mathematics -- I love going to the conference every year, learning new pedagogies and seeing past students who are now colleagues.

To satisfy my artistic mathematical side, I do counted cross-stitch.  I’m working on a geometric design that I can't wait to hang in my office at Central College where I have been teaching mathematics and mathematics for future teachers for over 20 years.  Outside of work, I enjoy spending time with my son, Jonathan, and husband, Tom.  

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