Authors & Presenters

Mandy Froehlich, EdD, is a passionate and experienced professional who has dedicated her career to inspiring change in teaching. She formerly served in the Ripon Area School District in Wisconsin and is currently an author, advocate, and innovator in the field of education.

Dr. Robert J. Garmston is an emeritus professor of educational leadership at California State University, Sacramento. Author of 12 books, he is the co-developer of Cognitive Coaching: Developing Self-Directed Leaders and Learners with Art Costa and co-developer of The Adaptive School: A Sourcebook for Developing Collaborative Groups with Bruce Wellmann. He has also served as an administrator, teacher, principal, and director of instruction.

Troy Gobble is principal of Adlai E. Stevenson High School in Illinois. He previously served as assistant principal for teaching and learning at Stevenson.

Jennifer Gracyalny, EdD, serves as the assistant superintendent of teaching and learning in the Pulaski Community School District in Wisconsin. She has served as an elementary principal, middle school associate principal, and secondary agriscience teacher/FFA advisor.

Tricia Graham is a passionate educator with more than 29 years of industry experience. She currently serves as director of student support services for Deer Valley Unified School District in Phoenix, Arizona.

Anthony Grazzini, EdD, is the director of grants and accountability with Cicero School District 99. Over more than 20 years in education, his experiences have allowed him to collaborate with diverse people to meet all students’ needs.

Thomas R. Guskey, PhD, is senior research scholar at the University of Louisville and professor emeritus in the College of Education at the University of Kentucky. A graduate of the University of Chicago, he began his career in education as a middle school teacher and later served as a school administrator in the Chicago Public Schools.

Logan Heflebower has been coaching baseball since his collegiate playing career came to a close in 2019. He is the infield coach at Division II, Colorado Christian University, in Lakewood.

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.

Karin K. Hess, EdD, the creator of the Hess Cognitive Rigor Matrices, is an internationally recognized speaker and leader in developing practical approaches for using cognitive rigor and learning progressions in assessments. Since 1998, Karin has been working in schools as an elementary and middle school principal, district curriculum director, and classroom teacher.