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AP Summer Institute


Our institute leaders are recognized members of the AP* teaching community who are dedicated to improving student achievement through effective support of AP* professionals.


Calculus AB

Bill Roloff

Bill Roloff has been a high school mathematics teacher since 1982. From 1985 to the present, he has taught at Lake Park High School in Roselle, Illinois. He has taught AP Calculus (AB and BC) since 1993. He has been a reader for AP Calculus since 2001 and has conducted numerous summer institutes and one-day workshops. Bill is also a National Board Certified Teacher. He designs his summer institutes to meet the needs of the teachers in the course.

English Language and Composition (Novice)

Stephen Heller

Stephen Heller has completed 30 years of teaching, the last 20 at Adlai E. Stevenson High School in Lincolnshire, Illinois where he teaches AP* English Language and Composition and Freshman Accelerated English. A past question leader, table leader, and reader for the AP* English Language and Composition exam, Steve also served on the AP* Language and Composition Test Development Committee, and he is a contributing author for exam questions. His publications include two textbooks with Peoples Publishing: AP* English Bound, which features lesson plans for the pre-AP* classroom, and Entering the Conversation, a writing textbook geared for students in AP* English Language and AP* English Literature. Along with Jason Stacy, Steve co-authored Documenting US History, a textbook that reflected the revised critical thinking skills for the APUSH curriculum. Steve is a graduate of Northwestern University, and he worked as an instructor at NU's Center for Talent Development — focusing on accelerated language arts courses — from 1987 until 2008.  Steve has most recently been accepted as a College Board national faculty consultant for pre-AP English programs. Steve also serves as a varsity debate coach

English Language and Composition (Adept)

Lloyd Hoshaw

Lloyd Hoshaw has taught language arts and composition in public high schools for over
20 years. But his study of rhetoric began at age 10 with the careful creation of mixtapes,
honing his skills of language selection to attend to an audience, and more recently with
crafted playlists to mold his three children’s taste in music. Today, Lloyd teaches at
Millard West High School in Omaha, Nebraska, where he established the AP* English
Language & Composition course 12 years ago and created the co-taught
interdisciplinary AP* Language and AP* United States History course 7 years ago.
Along with Matthew Heys, AP* US History, Lloyd co-authored a Teacher’s Guide to use
with Conversations in American Literature and America’s History, For the AP* Course
published by Bedford/St. Martin’s. Lloyd has served as a reader for the AP* English
Language and Composition exam since 2013 and as a co-presenter on topics related to
partnering AP* English Language with interdisciplinary work at NCTE (‘14, ‘16), NCSS
(‘15, ‘17), and the AP* National Conference (‘16). In addition to teaching AP* Language
and Composition, Lloyd acts as the English Department Head and teaches Literature &
Film as well as two courses in the Millard Education Academy focused on developing
future educators.

English Literature and Composition

Cathy D'Agostino

Cathy D'Agostino is a leader teacher at New Trier Township High School in Winnetka, Illinois, where she started both the AP English Language and Composition program and the co-taught interdisciplinary AP English Literature and AP European History class. She has served as a consultant for the College Board since 1988, conducting both AP English Language and Literature workshops. She has served as a Reader and a Table Leader for the AP English Literature Examination, as well as serving as Reader, Table Leader, and Assistant Chief Reader for the SAT-II Writing Exam. Her work with AP and The College Board has led her to consult with school districts in twenty-six states on developing AP English courses, improving composition instruction in all English classes, building vertical teams within English Departments, developing reading strategies in English classes, designing district-wide holistic assessments, and beginning Writing Across the Disciplines Programs in high schools. In 2004, she co-authored and designed a manual and workshop on Holistic Scoring for the College Board. In addition, she has been a regular presenter at state and national conferences since 1990.

European History

Chris Freiler

Chris Freiler has taught Advanced Placement European History at Hinsdale Central High School in Hinsdale, Illinois since 1993. Additionally, he has taught Philosophy Honors since 2003, a course he proposed and developed. He has also served since 1997 as a reader, table leader, question leader, exam leader, and assistant chief reader for the AP European History annual exam scoring. From 1998 to 2002, Chris served on the test development committee (and later as an independent consultant) for AP European History, in the process authoring three document-based questions used on the national exam. From 2006-14, Chris served on the College Board Commission that redesigned European History, the last three years as co-chair of the Curriculum Development and Assessment Committee. He has authored an AP European test preparation book, published by McGraw-Hill, entitled AP Achiever: Advanced Placement Exam Preparation Guide for European History. Chris has been a College Board consultant since 1998 and presents one-day workshops during the school year and several week-long institutes each summer.


Linda Zins-Adams 

Linda Zins-Adams teaches German at Archbishop Moeller High School in Cincinnati, OH, where she also serves as the World Language Department Chair and AP Curriculum Director. She is a certified and trained AP consultant, reader/table leader, and reviewer for College Board and has conducted numerous state, regional, and national workshops and webinars. She has received the Distinguished Alumna from the University of Cincinnati, the Federal Republic of Germany Friendship Award, and the AATG/Goethe-Institut Certificate of Merit, and recently the Award for Excellence in Foreign Language Instruction Using Technology with IALLT (K-12). In 2014-2015, Linda was the president of SCOLT (Southern Conference of Language Teaching) and during her term on the SCOLT board she served as the SCOLTalk editor and Awards Chair. She is the current Advisor to the AP German Development Committee for College Board.


Eliane Kurbegov

Eliane Kurbegov has taught all levels of French in Florida and Colorado high schools; she is currently an adjunct professor of French at Miami Dade College. She has served the College Board in multiple capacities over the course of many years: she participated in AP readings as table and question leader, served on the AP French Language test development committee, trained and mentored CB consultants. She currently conducts CB workshops and monitors the AP French Language and Culture Community website. Eliane has also recently co-authored the Barron’s Guide to the AP French Language and Culture exam as well as the textbook Thèmes published by VHL, in addition to having written many French manuals for McGraw-Hill. Eliane Kurbegov is a native speaker of French who was twice awarded the Palmes Académiques for her promotion of the French culture and language. Most importantly, Eliane has a true passion for the teaching of French and for sharing her life-long experiences with her esteemed colleagues.

Human Geography

Greg Sherwin

Greg Sherwin teaches AP Human Geography at Adlai E. Stevenson High School located in the northern suburbs of Chicago. He has served in a variety of leadership capacities at the annual AP Human Geography reading and within the AP Human Geography community. He served on the AP Human Geography Test Development Committee (2002-2006). In 2007, he co-authored the AP Human Geography Teacher’s Guide with Paul Gray and published by the College Board. He has presented topics for the College Board on AP Human Geography at conferences and workshops throughout the country and in Scotland and Australia. 

Most recently, he co-authored the 10th and 11th editions of Advanced Placement Study Guide for Human Geography: People, Place and Culture with Paul Gray (Wiley Publishing). In 2015, Sherwin received a Distinguished Teaching Award from the National Council for Geography Education (NCGE).  He also has teamed up with 30 other AP Human Geography teachers who value technology to create an app (iScore5) to prepare students for the exam. His cultural landscape field study assignment was recognized by the College Board and is available on the AP Central Website.


Terri Lindenberg 

Terri has taught at Lake Park High School in Roselle, Illinois since 1995. She started with Introductory Psychology in 1995 and added AP Psychology in 1996. She has served as a Reader and Table Leader at the AP Psychology reading since 2000. Terri recently served as the College Board Advisor on the Test Development Committee and has facilitated numerous workshops and summer institutes as a College Board consultant. She has her B.A. in Psychology from the University of Michigan (and a M.Ed from Roosevelt University), and she feels very fortunate to teach such a fascinating discipline to high school students.

Spanish Language

Maria Vazquez 

Maria Vazquez currently teaches AP Spanish Language, Spanish IV and Arte y Cultura at Millburn High School in New Jersey. She studied in Madrid and Salamanca, and is a graduate of Seton Hall University, with degrees in Spanish Language & Literature and Secondary Education. Maria has been a College Board national consultant for over 25 years.  She has conducted over 100 AP workshops and summer institutes throughout the United States and in Europe. Maria received the Advanced Placement Recognition Award from the Middle States Regional office.  She served as Co-Chair on the AP Spanish Language Test Development Committee, and currently is the Assistant Chief Reader at the AP Reading. Former Consultant for Pearson Publications: AP Spanish Preparing for the Language Exam 2007©, Teacher’s Guide – Lesson Plans: Abriendo Paso-Lectura 2007© and 2012©; Abriendo Paso-Temas y Lecturas 2013©; Research Consultant for Abriendo Paso-Temas y Lecturas.  Co-author of El Movimiento Poblacional College Board Curriculum Module2012©


Chris True 

Chris True has been teaching AP Statistics and AP Calculus in Nebraska since 1998. He has served as an AP Statistics reader, table leader and a member of the rubric team for the past 14 years. He has presented dozens of AP Statistics Summer Institutes, College Board workshops, AP Annual Conferences, National Math and Science Initiative teacher trainings and student study sessions. He has also presented at several regional, national and international Texas Instruments conferences. He has served as the Director of Mathematics Programs for the National Math and Science Initiative. He currently teaches Statistics at the University of Arizona. Previously, He taught Calculus II and III at the University of Nebraska-Lincoln where he also served as a coach and mentor to the graduate teaching assistants who are teaching the recitation sections of Calculus I and II.

US Government and Politics

Bryan Ashkettle

Bryan Ashkettle is currently an AP US Government and Politics teacher at Solon High School near Cleveland, Ohio. This is his 24th year in the profession with 18 years of experience teaching AP Government. He has been an AP Reader for 13 years and was hired by the College Board to be an AP Consultant. Ashkettle is also an adjunct professor in Teacher Education at Kent State University where he received his PhD in 2014. His research interest is self-study as a tool to better instructional practice. His wife Stefanie, also a teacher, and he have two daughters — Frankie, 12 and Julia, 14.

US History

Christine Custred 

Christine Bond-Custred currently teaches Advanced Placement (AP) United States History and AP World History at Edmond Memorial High School, in Edmond OK.   She has taught AP United States History since 1998 and AP World History since 2007. She holds a Master’s degree in Education Administration and in school counseling (M.Ed.) and is a National Board Certified Teacher (NBCT).

Ms. Custred has been a College Board consultant since 2000, presenting at numerous College Board institutes including international institutes.  She has been an AP Summer Institute consultant since 2003, presenting at well over 50 summer institutes.  She co-authored the Research and Education Association (REA) test prep book for AP United States History, she wrote the AP review questions for the AP edition of the Making America textbook, she co-authored the Fast Track to a 5 for AP World History and was a contributing author of the teacher’s edition of the Ways of the World textbook.  She has developed and team taught a combination course that bridges AP U. S. History and AP English Language and has co-presented at a Southwest Regional College Board conference and will be presenting at the AP annual conference in Orlando in July, 2019.   She served as an AP mentor from 2015 to 2017, this mentoring program, designed and offered by the College Board, entailed conducting once a month webinars with new AP United States history teachers.  She has served as a reader for the AP World History exam and is currently a table leader at the AP United States History reading.

World History

Ryba Epstein 

Ryba Epstein has been an AP World History workshop consultant since 2004 and has recently completed a workshop for the new AP World History—Modern course. In addition, she has conducted national “train-the-trainer” workshops and has been a table leader and question leader for the AP World History Exam. While a member of the AP World History Development Committee, Epstein created a syllabus for the AP World History Teachers Guide, a pacing guide for the revised AP World History course, as well as professional development materials. She is a contributor to George Mason University’s web sites “Women in World History” and “Children and Youth in World History.” In addition, she has authored review materials and test bank questions for both high school and college level world history textbooks. Other publications include: “Discovering Global Patterns: How Student-Centered Internet Research Can Build a Genuine World History Perspective,” in Teaching World History in the Twenty-first Century. She has taught Advanced Placement courses in World History, European History and English Literature. Epstein’s M.A. and Ph.D. are from the University of Illinois in Urbana-Champaign; she received her A.B. from U.C.L.A. Her doctoral dissertation was an interdisciplinary study of African oral epic poetry.

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