Leadership Team

Stacy Bentley is an educator with over 15 years of teaching experience.  She has an MA in Elementary Education, a K-8 reading endorsement and is currently a special education teacher for the Carlisle school district.  Stacy is passionate about working with young readers and equipping students, teachers, families, and the community with knowledge of dyslexia in honor of several family friends.  Outside of work, she enjoys spending time with her husband, cats, friends and family and curling up with a good book.

Bambi Boggs is a passionate special education teacher and literacy advocate who serves as the K–12 Dyslexia Specialist for Des Moines Christian. She was part of the first University of Iowa cohort to earn the Dyslexia Specialist endorsement and leads district teams in implementing science-based reading instruction. A certified Wilson Dyslexia Practitioner, she recently received the 2025 scholarship to pursue Wilson Level II Certification. Bambi serves on the boards of IDA–Iowa, the State Dyslexia Board, and the Gospel In Action Educator Board. She also helps lead the Southeast Iowa Dyslexia Teacher/Preservice Group and promotes dyslexia awareness across Iowa. Outside of work, she enjoys mission work, hiking, gardening, and lifelong learning through books and webinars.

Randy Califf is a co-founder of Decoding Dyslexia Iowa and has served on the board since its inception. His primary involvement has been with legislation and communication. Randy has spent most of his career in product management and marketing for technology/software and currently leads a team in the Technology Division of Wellmark.  Randy earned an Executive MBA from the University of Iowa and a Journalism/Advertising degree from South Dakota State.  He learned about dyslexia when his youngest son struggled in pre-school.  Randy believes that reading is a foundational skill and that every child has a right to learn to read.  He enjoys cooking, photography, craft beer and being a soccer dad.

Lydia Collison is a private reading tutor who has been helping students with dyslexia since 2014. She started her dyslexia journey in college, and in learning about tutoring and dyslexia, Lydia realized that many members of her immediate family are also dyslexic. Lydia has a passion to raise awareness about dyslexia and to help her students succeed. In her free time, she enjoys volunteering at church, kayaking with her husband, and running with her dog.  

Casey Condon-Yu is a certified dyslexia tutor and advocate. She became involved in dyslexia education and advocacy in 2014, when two of her children were diagnosed. Casey has a bachelor's degree in Elementary Education with a Reading Endorsement and has instructed students using the Barton and Wilson systems. Her passion includes supporting twice exceptional students and helping families prepare for transitions, from building level transitions to going to college. Casey lives in Urbandale with her husband and three children. She enjoys family road trips and keeps busy with her children's activities and events.

Katie Greving is the Executive Director of Decoding Dyslexia Iowa and manages the group’s daily operations.  She is a co-founder of the organization and served as the board President from 2015 to 2020.  Katie works with legislators and policymakers for statewide change, gives educational presentations about dyslexia, and manages the group’s online presence. Katie has a master's degree in Counseling/Educational Psychology and works as a Licensed Mental Health Counselor providing services to college students.  Her dyslexia journey began over a decade ago when she learned one of her children and several family members have dyslexia.   She is passionate about helping parents understand their rights and advocate for their children.  Some of her favorite things are coffee, cats, and walking/hiking.

Megan Hunemuller is a parent advocate and mom of four who became passionate about special education after navigating the IEP and 504 process with her own children. What began as a personal journey has grown into a mission to help other families understand their rights and work collaboratively with schools. Megan has completed the Dyslexia Training Institute’s Advocate Certification and serves on several state and local education committees. She is a co-founder of a community support group and an active member of the Council of Parent Attorneys and Advocates (COPAA). Megan believes that every student deserves a meaningful education and that informed parents and educators are a powerful force for change.

Carrie Johnsen is an educator who taught at the elementary level for 13 years before becoming a stay-at-home mom.  She is currently a substitute teacher.  She has two children with dyslexia, and her journey began when her oldest child struggled with reading in kindergarten. From there, she began learning all she could about dyslexia by taking classes, reading books, and seeking outside help for both kids.  Carrie strives to teach others about dyslexia and to advocate for a better future for all kids.

Nina Lorimor-Easley is a literacy consultant in the state of Iowa, specializing in language-based learning disabilities and dyslexia. She has master’s degrees in educational psychology and curriculum development with emphasis on language-based learning disabilities. Nina also completed a graduate-level certification in dyslexia from the Landmark School. Nina has personal connections to dyslexia and began her professional path in dyslexia advocacy by helping her two sons through school. Nina is a co-founder of Decoding Dyslexia Iowa, served on the Iowa Dyslexia Task Force, is the former co-owner of a private dyslexia intervention center, authored several of Iowa’s virtual dyslexia training modules with the Iowa Reading Research Center, and was instrumental in establishing the flagship Iowa Dyslexia Specialist Endorsement Program at the University of Iowa. Nina also currently has a seat on the Iowa Dyslexia Board.

Nicole Pizzini is a Professor at St. Ambrose University and received her PhD in Rehabilitation Counseling Education from the University of Iowa.  Her background assisting people with various disabilities and navigating accommodations has been instrumental in her professional and personal life.  Nicole’s personal connection to dyslexia began when one of her three daughters showed difficulties with reading in kindergarten.  Eventually her daughter was diagnosed with dyslexia and other learning disabilities.  Nicole is a strong advocate for dyslexia awareness in her local community.  She has presented dyslexia information to her school board, city council, and legislators, and she has successfully requested her city to recognize Dyslexia Awareness Month. 

Renee Saarloos became aware of the need for dyslexia advocacy when her son was diagnosed in 2019. She began learning all she could about dyslexia and earned her master's degree in Reading Science from Mount St. Joseph University.  Renee currently works as an elementary reading interventionist at a private school and is one of the leaders of the Northwest Iowa Dyslexia Support Group. She is passionate about partnering with parents and educators to raise awareness about how to identify and support struggling readers. Renee lives in Sioux Center with her husband and four children.

Rachel Stultz is a professional violist, violinist, and private studio owner with an MFA in Viola Performance from California Institute of the Arts. She has over 30 years of teaching experience and an extensive background in orchestral and chamber music performance as well as acting and violin body double work for tv. With adult siblings and her own children affected by dyslexia, she is passionate about reading and resource advocacy. Rachel lives in West Liberty and is honored to serve on the board of Decoding Dyslexia Iowa.

Mindy VanZuiden is a homeschool parent, a private dyslexia tutor, and a Project Teacher with the Mid-Prairie Homeschool Assistance Program, providing support to parents of struggling readers. Mindy taught in public school for over 15 years. She holds an undergraduate degree in K-12 Physical Education, a master's degree in Education Leadership, and is a Certified Dyslexia Specialist through the University of Florida. Mindy’s discovery that her youngest son has dyslexia led to the eye-opening realization that she and many of her family members are also dyslexic. Mindy’s mission is to raise dyslexia awareness not only in her community but for everyone, everywhere. She is married with three children and two large dogs.