Executive Director

Steve Yarbrough is Executive Director of ACSTO and of its sister organization, School Choice Arizona. In September, 2018, after an eight month sabbatical, Steve returned to leadership of the two organizations he co-founded in 1998 and 2006 respectively.

Steve has practiced law in Tempe and Chandler since 1972. He was a board certified family law specialist for many of those years. After graduating with his bachelor’s degree in finance with high distinction, he earned his law degree magna cum laude from ASU’s College of Law. He served 4 ½ years as an administrator and legal counsel at ASU before entering private practice in 1975.

Steve served as a member of the Arizona Legislature from 2003-18; the first eight years in the Arizona House where he chaired the Ways & Means Committee and served as Speaker Pro Tempore. Then eight years in the State Senate where he chaired the Senate Finance Committee, was Majority Leader, and then was President of the Senate for the 53rd Legislature, 2017-18.

As a legislator Steve sponsored 95 bills that were signed into law, had sixteen years of perfect legislative attendance, and cast 99.9% of all votes over those years. He has received several of Arizona’s most prestigious public service awards including Senate and Legislative Leader of the Year multiple times and the inaugural Sen. Jon Kyl Statesman Award from the Center for Arizona Policy in 2018.

Steve is a passionate supporter of Christian education. He co-founded and served on the board of Valley Christian High School for 24 years. His wife, Linda, taught in Christian schools for more than thirty years and all three of their sons are products of Christian schools. Now their grandchildren are attending Christian schools in Arizona and Tennessee. He considers it a deep honor to help families secure a Christian education for their children.

Assistant Executive Director

Amy has been serving ACSTO since 2006. She has lived in Arizona since 1985, and she graduated from ASU with a degree in communications. She has been happily married for 15 years and has a daughter who currently attends a local Christian school.

She loves spending time with her family and friends, especially if that includes dessert or Mexican food. Amy supervises projects and staff, manages finances, and assists our donors and parents on the phone.

Marketing Manager

Sally has worked as ACSTO's Marketing Manager for several years and has already been seen far and wide across the state at churches and school events. As an involved parent and educator, she enjoys bringing experience, enthusiasm, and creative solutions to the table for our valued partners.

Customer Service Specialist

Wendy is a valuable part of the ACSTO family. She has lived in the valley since 1971, graduated from ASU in 2006 in Graphic Information Technology, is happily married to a wonderful man for 33 years, and has two adult children. Wendy attends Arizona Community Church and serves in their Music Ministries as a vocalist. She has used her computer skills to meet specific needs on three short-term mission trips and hopes for more. In her spare time she loves to crochet and learn about new technology.

Customer Service Specialist

Sara joined the ACSTO team in 2016 but as a parent has seen the benefits of the tax credit program at work since 2013. She and her husband Josh, have two boys in Christian school and love telling people how affordable private education can be. She enjoys eating out, decorating her house and going to the movies with her family. Sara and her family attend Redeemer Bible church in Gilbert.

Customer Service Specialist

Shelby started at ACSTO in May of 2016 as a Customer Service Specialist. He attended private Christian schools with the help of organizations like ACSTO. In his spare time he enjoys studying Japanese and computer science.

Customer Service Specialist

Amanda joined the ACSTO family full time in August 2017 as a Customer Service Specialist. She is an Arizona native. She is the mother of three grown daughters who bring her great joy. She worked from home for many years which allowed her to be a very active part of their lives. She spent much of her time volunteering and supporting their various sporting activities. They all are members at Sun Valley Community Church. Amanda enjoys spending her free time being outdoors, being with her animals, and enjoying time with family and friends. She loves her daily bike rides with the love of her life!

Customer Service Specialist

Susie joined ACSTO in September 2017. Her prior experiences with ACSTO as a parent, donor, and 14-year Christian School employee equip her with a broad perspective of the tuition tax credit program and its benefits. Susie grew up in Hawaii, attended UC Davis, then earned a master’s in journalism at the UA. She enjoys serving with the Connect Ministry at Central Christian Church in Gilbert. She and her husband of 31 years have two grown daughters who attended Christian Schools with the assistance of ACSTO scholarships.

Southern AZ Coordinator

Dr. Tom Askew has been a Christian educator for over forty years, both in the U.S. and overseas. His favorite subjects to teach are English, Latin, and Bible. He offers his expertise on Christian Education through a variety of non-profit, radio, administrative, and publishing roles. Since 2007, he has represented ACSTO to churches and schools in Pinal, Pima, Graham, and Cochise counties.

Central Valley Coordinator

Maryellen has been an ACSTO coordinator for the past 10 years. She is married to Bruce, and they have 2 children and 4 grandchildren. As her schools and churches, or anyone who knows Maryellen, will tell you, her warm, friendly personality is only matched by how passionate she is about Christian Education and desire to help as many people as possible learn about the AZ State Tax Credit and how ACSTO can make it work for them.

East Valley Coordinator

John has been working with staff and students in Christian Schools for many years and is an involved parent at his child’s school as well. As a Coordinator, he looks forward to serving parents and schools to help make Christian Education a reality for them. John enjoys dancing, chess, computers, gaming, fishing, and trying new things when eating out.

WELS Church Coordinator

Jeff Weinstein, a member of Grace Lutheran Church of Southern Arizona and a life-long member of the Wisconsin Ev. Lutheran Synod, has joined ACSTO as the WELS/ELS Church Coordinator. He serves as the Elder of Outreach at Grace as well as on the Board of Directors at Arizona Lutheran Academy in Phoenix. Jeff, along with his wife Stephanie and his three children and two grandsons, have attended WELS schools since kindergarten. He enjoys singing in choir, playing basketball, as well as traveling with his wife.

LCMS Coordinator

Esther works for ACSTO as our LCMS Coordinator for Southern Arizona. She joined our team in 2017. Esther has worked in education for over 15 years. In 2013, she shifted her focus from public education to private. She is passionate about Christ being taught in schools and serves as principal at one of the LCMS schools. Esther has three young children who attend Christian school. She enjoys waterskiing, scrapbooking, and any activity that includes family!


    Serving Since 2005

    Serving Since 2010

    Serving Since 2018

    Serving Since 2005

    Serving Since 2010

All of our Board of Directors are independent voting members