Authors & Presenters

Tammy Heflebower, EdD, is a highly sought-after school leader and presenter with vast experience in urban, rural, and suburban districts throughout the United States, Australia, Canada, Denmark, Great Britain, and the Netherlands.

Jacqueline Heller focuses on building capacity and collective efficacy with teachers, to ensure all students learn at high levels. As a literacy teacher and coach at Mason Crest Elementary, she helped the school become the first National Model Professional Learning Community to receive the DuFour Award.

Shanna K. Helmke has been a dedicated educator since 2011. Alongside her work as an instructional coach, she also serves as an adjunct professor at Mount Mercy University in Cedar Rapids, Iowa, furthering her commitment to fostering excellence in education.

Allana Hemenway, EdD, is the director of federal programs and grants at Randolph Field ISD. She has over 20 years of experience in education in both the U.S. and in Canada, and she has worked in large and small districts as well as at campuses with high student/school mobility.

Tihesha Henderson is a transformational education leader with more than 20 years of experience who empowers educators through visionary leadership, coaching, and strategic implementation to create lasting, equitable change in education.

Mary Hendricks-Harris is a highly experienced education professional with over 30 years in the field. Formerly the superintendent of the Francis Howell School District (FHSD) in Missouri, she currently serves as a leadership and improvement specialist at Education Plus in the St. Louis region. In her current role, she facilitates strategic planning and executive coaching, contributing to the advancement of educational leadership.

Sandra Herbst is a noted system leader, author, speaker, coach, consultant, and educator with extensive experience in assessment, leadership, and adult learning.

NeCole Hernandez serves as principal of Ashgrove Elementary in Wyoming. With 25 years of experience as a teacher, instructional coach, and administrator, she is committed to instructional leadership, collaboration, and establishing reliable schoolwide systems.