Rhonda Alexander is a grader for the national AP Chemistry Exam and a College Board consultant, giving her the opportunity to share her experience teaching AP Chemistry during summer institutes and other workshops. All 21 years of her teaching experience, in Pre-AP and AP Chemistry, have occurred at Robert E. Lee High School in Tyler, TX.

Carol B. Brown teaches Advanced Placement and Honors Chemistry at Saint Mary's Hall in San Antonio, TX. She is a past president of The Associated Chemistry Teachers of Texas and an active member of The American Chemical Society. She gives numerous workshops in Advanced Placement Chemistry and Pre-AP Science for Middle School. She is a contributing author to "AP Vertical Teams in Science, Social Studies, Foreign Language, Studio Art, and Music Theory" published by The College Board, and "Advanced Placement and TEKS: A Lighthouse Initiative for Texas Science Classrooms," published by Texas Education Agency. Among her awards are the 1984 Southwest Regional Award in High School Chemistry Teaching (ACS), the CMA Regional Catalyst Award, The Advanced Placement Special Recognition Award (Southwest Region) 1989 and 1997, the 1993 Tandy Technology Scholars National Award, the 1999 Siemens Award for Advanced Placement, and the Saint Mary's Hall Master Teacher Award. Carol is presently serving on the AP Chemistry Test Development Committee.

Dr. John Gelder is a Professor of Chemistry since 1993 at Oklahoma State University and the Chair of the Board of Publications of the Journal of Chemical Education. He is also the Chief Faculty Consultant (2002-2005) in AP Chemistry for the College Board, Educational Testing Service and has served as Chief Reader Designate (2001) and a Table Leader (1995-2000).Additionally, for the past 25 years, Dr. Gelder has been actively engaged in creating and testing interactive computer-based resources in Chemistry classrooms.

David Hostage is Director of the Taft Educational Center in Watertown, Connecticut, where he directs a large AP teacher professional development institute for his peers. He has taught AP Chemistry since 1986 and has led teacher professional development workshops. He has been a reader and a table leader for AP exams since the early 90s.

Kristen Jones teaches in the A&M Consolidated High School in College Station, TX. Her MS degree is from Texas A&M University. She is in her 16th year teaching AP Chemistry and 14th year teaching AP/Pre-AP science teacher workshops across the US. In addition to serving as a consultant for textbooks, she chaired the committee that authored the popular Texas Education Agency’s guidebook, Advanced Placement and TEKS –A Lighthouse Initiative for Texas Science Classrooms. In 2000, Mrs. Jones was named the Outstanding Secondary Science Teacher in Texas. She has also received the American Chemistry Council Catalyst Award, the Siemens Foundation Award for Advanced Placement, the American Chemical Society Southwest Regional Award, the College Board Advanced Placement Special Recognition Award, the Outstanding Chemistry Teacher in Texas Award, and the Sigma Xi Outstanding Secondary Science Teacher Award. Her students have been very successful in science competitions such as International Science Fair, Siemens Foundation AP Scholar, Toshiba Exploravision and National Science Bowl. Her science bowl team placed 3rd in the nation in 2000 and 2003 and 7th in 2002.

Jerry Mullins teaches AP Chemistry at Plano Sr. High School in Plano, Texas, where he developed the course in 1974 and has taught it for the past 29 years. He served as an AP consultant in summer institues for the Southwest Region of the College Board from 1978-1996 and returned to consulting in 2000. He was a member of the AP chemistry test development committee from 1990-1993 and a reader from 1985-1998. For eight of those 13 years, he acted as a table leader at the reading and recently returned to the reading as a table leader for the 2002 exam. He served as a member of the National Science Advisory Committee for the College Board from 1995-1998. Jerry has conducted workshops and summer institutes for AP chemistry teachers throughout the southwest region, Arizona, Colorado, and Florida, and for the Defense Department schools in Europe. He has received numerous awards throughout his career, including the ACS Southwest Regional Award, the Outstanding Chemistry Teacher of Texas from ACT2, and the Excellence in Advanced Placement Chemistry Award from the College Board. He is an active member of the Dallas-Ft.Worth chapter of the ACS and currently serves on the executive committee as the high school representative.

Carol Leibl earned her master’s degree from The University of Texas at Austin in 1983. She has been teaching AP Biology for the past 20 years and has been at James Madison High School in San Antonio, Texas since 1985. She has presented workshops for the College Board AP program since 1985 and has been a reader for the AP exam since 1995. In 1996 Ms. Leibl was named Teacher of the Year by the Texas Association of Biology Teachers and was a Tandy Winner. She currently serves on the AP Advisory Council for the Southwestern Region of the College Board.

Debbie Richards teaches AP Biology in Bryan High School in Texas. She was awarded the Outstanding High School Biology Teacher award, by several organizations, including the National Association of Biology Teachers, the Texas Association of Biology Teachers, Tandy Technology Scholars, Sigma Xi, Texas Excellence Award and Bryan Independent High School. Since 1988, she has led several teacher professional development workshops, both for the College Board and for universities. She is a frequent reader for College Board's National AP Biology Examination and has been a reviewer of grant proposals for the National Science Foundation (NSF). She has an M.A. from Texas A&M University.

Carolyn Schofield teaches AP Biology at Robert E. Lee High School in Tyler, Texas and has been in the classroom for 31 years. A Table Leader for the AP Essay Reading, she is also a current AP Biology Development Committee member. Carolyn developed and edited the original Biology Teachers' Corner and is currently the Content Advisor for Biology on AP Central. Her honors include the Tandy Technology Award, the Siemens Award, the Outstanding Biology Teacher Award, the Texas Excellence Award from the University of Texas at Austin, and the Presidential Award.

Gardner Friedlander is the Content Advisor for AP Physics. Gardner has been teaching physics and some chemistry at University School of Milwaukee, Wisconsin, since the early 1980s. He teaches physics classes at four levels -- conceptual, honors, AP Physics B, and AP Physics C. Gardner's educational background includes a bachelor's degree at Princeton and many unconnected graduate classes at a variety of institutions. He has been a Reader of AP Physics exams since 1998 and is a College Board workshop consultant.

Tye Pannkuk graduated from Texas A&M University in 1995 and started teaching at Madison High School in San Antonio. After a year of teaching IPC, he started teaching physics, and two years ago, he began teaching AP Physics C.

Dr. Gay Stewart is an Associate Professor of Physics at the University of Arkansas. In 2001, she was appointed Chair of the AP Physics curriculum development committee, of which she has been a member since 1997. She also serves on her department's undergraduate affairs committee and is a member of the College Board's Science Advisory Committee. Currently she directs one of four pilot sites in physics for the NSF/AAPT “Shaping the Preparation of Future Science Faculty” program and one of six primary program institutions for the APS/AAPT/ AIP “Physics Teachers Education Coalition (PhysTEC).” She is actively engaged in creating and using interactive technologies.