Meet Your Team

Teachers, Tutors, and Subject Matter Experts

Below is your Teachers Test Prep team of teachers, tutors, and subject matter experts. They hold advanced degrees from some of the world's top universities and have extensive experience helping students just like you to prepare for, and pass, their rigorous credentialing exams. There is no better team of Praxis, CSET, CBEST, and RICA test preparation specialists anywhere. And while their backgrounds and specialties are diverse, they all have one thing in common: they are knowledgeable, caring, and dynamic educators whose goal is to help you succeed!

Barry Mednick, M.S.

Teacher/ Tutor, CBEST, CSET Multiple Subjects, CSET Math, Praxis Core, Praxis Elem Ed, Praxis Math

Mr. Mednick has taught at California State University, Fullerton, School of Business and Economics in the Information Systems and Decision Sciences Department and currently teaches math, science, and social studies at a private high school in Orange County. Mr. Mednick holds a BS and MS from Columbia University's School of Engineering. He has extensive experience helping students prepare for success on CSET and Praxis exams.

Lena Anthony, M.A.

Teacher/ Tutor/ Lead Curriculum Designer, RICA

Lena Anthony is a Literacy Coach for Los Angeles Unified School District. She supports elementary school teachers with the implementation of state-adopted language arts programs and ensures that curriculum and instruction are carefully aligned with the CA State Content Standards and also meet the needs of individual students. Ms. Anthony conducts training for teachers, educational support staff, parents, and private tutors. She has substantial expertise in the field of RICA test preparation. Ms. Anthony received her Masters degree from UCLA.

Khodadad Rezakhani, Ph.D.

Lead Curriculum Designer, CSET Social Science

Khodadad Rezakhani was born in Tehran, Iran and has lived in Iran, Europe, and the United States. He obtained his MSc in Economic History from the London School of Economics and his PhD in Late Antique History from UCLA. He has many years of experience teaching in England, Iran, and the United States, mostly in the subjects of history and languages. He speaks Persian, English, and German and is familiar with several ancient languages. He has extensive expertise in creating curriculum for the CSET Social Science exam.

Jiro Tanaka, Ph.D.

Lead Curriculum Designer, CSET English

Jiro Tanaka received his Ph.D. in German Literature from Princeton (2002) and his bachelor's degree from Harvard (1993). He has taught at Clark University and Vassar College, where he served as Woodrow Wilson Postdoctoral Fellow in the Humanities. In 2008, he was a Visiting Scholar in UCLA's program for Human Complex Systems. Dr. Tanaka has published widely on topics in literary theory, German intellectual history, second language acquisition, and 'bio-cultural' approaches to the humanities. Dr. Tanaka has substantial expertise in designing test preparation curriculum for the CSET English exam.

Jeff Wurfel, Ph.D.

Lead Curriculum Designer, CSET Science

Jeff Wurfel received his PhD in Neuroscience and his Masters in Biomedical Engineering from the University of Southern California. His area of research was complex motion perception in the human visual system. He has experience teaching and tutoring Math and Science at the high school, undergrad, and graduate levels. His broad and extensive background in the sciences, along with his background in helping students prepare for standardized tests, allows him to bring a unique level of expertise to creating curriculum for the CSET Science exam.

Aditi Mehta Doshi, M.Ed.

Curriculum Developer, CSET Social Science

Aditi Mehta Doshi is a history teacher for the Los Angeles Unified School District. She has eight years of teaching experience, both at the middle and high school levels. Aditi holds a B.A. in History from Harvard University (2000) and a Masters of Education from UCLA (2003). She has extensive experience developing standards-based curricula, particularly in the field of American history. Aditi has taught and tutored many students of diverse backgrounds, to help them prepare for standardized exams.

Nicole Fong, M.Ed.

Teacher/ Tutor, CBEST, CSET Multiple Subjects, CSET Social Science, CSET English

After graduating from St. Mary's College with a degree in History/Humanistic Studies, Nicole received her graduate degree in education from Pepperdine University and has since taught English and World History for ten years, including a stint in Oita, Japan and more recently at a Los Angeles charter high school. She loves history, in particular how laws have changed the privileges of the social classes, and was once fluent in Japanese.

Michael Maloney, M.F.A.

Teacher/ Tutor/ Curriculum Developer, CBEST, Praxis Core, and Praxis Elem Ed

Mike Maloney graduated Cum Laude from UCLA with his B.A. in Sociology and English. He then received his M.F.A. in Writing for Screen & Television at USC, where he was one of only three graduates in his class to receive academic distinction. He has spent the last three years working on a variety of professional film and television writing projects in Hollywood. Mr. Maloney is well-versed in all areas of the Praxis Core and CBEST, including Mathematics, Reading and Writing. In addition to teaching Praxis Core and CBEST classes, his work with Teachers Test Prep has also included exam research and writing practice test questions.

Katie Amos, E.S.C.

Teacher/ Tutor, CSET Mulltiple Subjects and RICA

Katie graduated from Allegheny College with a B.S. in Environmental Geology. She holds a California Clear Special Education credential and is currently working on her Level I Single Subject Science credential. She has been teaching for five years in the Bay Area and currently teaches math, science, literacy and life skills at Civicorps Corpsmember Academy in West Oakland. She teaches prep classes and provides private tutoring for all three CSET Multiple Subjects subtests as well as the RICA.

Abigail Garcia, M.A.

Teacher/ Tutor/ Curriculum Designer, CSET English

Abigail Garcia taught English at Animo Leadership Charter High School for seven years. She also sat on the Board of Directors for Green Dot Public Schools and served as a member of the Transitional Advisory Committee for Superintendent Tom Torlakson. Mrs. Garcia earned her Masters in Secondary Education and received her BCLAD credential from Loyola Marymount University. She earned a Bachelor's degree in Political Science and a minor in Spanish from the University of California at Berkeley. Her expertise is in preparaing students for all four subtests of the CSET English exam.

Jennifer Eggers, M.Ed.

Curriculum Designer, CSET Science

Jennifer Eggers graduated from the University of California at Irvine with a Bachelor's degree in Biological Sciences. She immediately started the Teacher Credentialing program at Claremont Graduate University. In Claremont, she received her teaching credential and Master's in Education. Jennifer has taught CSET prep classes at Claremont Graduate for the past 5 years while also working as a high school Biology teacher in the Los Angeles area. Her specialties are CSET Multiple Subject Subtest 2, CSET Single Subject Science Subtests 1 and 2 as well as Biology Subtest 3.

Justin Yaeger, M.A.

Teacher/ Tutor, CSET Social Science

Justin Yaeger was born and raised in the Los Angeles area and graduated from UC Santa Barbara with a BA degree in History. He also has a Single Subject teaching credential in Social Studies/History and a Masters degree in Education from Pepperdine. He has been teaching at the high school level for more than 10 years and has taught many subjects in the History curriculum, including US History, AP US History, Government and Economics. He is also a rater for the writing section of the AP US History Exam. Justin specializes in preparing students for all three subtests of the CSET Social Science exam.

Rebecca Franke, M.A.

Teacher, CSET Social Science

Rebecca received her Bachelor's Degree in Social Science with an emphasis on South Asia history, politics, and economics, then went on to UC Berkeley where she completed her Masters Degree with an emphasis on international relations, comparative politics, and Middle East area studies. Since then she has worked in the private sector and more recently spent several years teaching Social Studies at the high school level.

Sharon McCreight, M.Ed.

Tutor, RICA

Sharon is an English Language Learner Literacy Coach and Specialist for Long Beach Unified School District. She supports teachers and staffs with the implementation of core materials as well as California Content Standards for English Language Arts and ELD. She graduated from UCLA with a BA in musicology and received her Teaching Credential from Cal State Long Beach. She has a Masters degree in Reading as well as an Administrative Credential.

Myeasha Pruitt, M.A.

Teacher/Tutor, CBEST, CSET Multiple Subjects

Myeasha graduated with a B.A. in Liberal Studies and a M.A. in Administration and Leadership both from La Sierra University. She has 9 years of teaching experience in both public and private schools and currently works for the Alvord Unified School District in the cities of Riverside and Corona. She holds Clear Single Subject Teaching Credentials in English and Home Economics and a Clear Multiple Subject Teaching Credential. She also holds a Preliminary Administrative Services Credential.

Kathryn Stevens, B.S.

Teacher, CSET Science

Kathryn taught middle school math and science for 25 years in LAUSD and has National Board Certification in Early Adolescence Science. She has presented workshops at the National Science Teachers Association National Conventions as well as UCLA Project X. She has received a number of teacher recognitions, including a Toyota Tapestry Grant and the UTLA Platinum Apple Award.

Cassandra Villa, PhD

Teacher, CSET English

Cassandra Villa is an AP English Language and 9th grade intensive English teacher and co-curriculum lead for AP Language at an LA area high school. She has extensive expertise in preparing students for standardized exams, backwards mapping, curriculum design, and instruction and previously worked as a Common Core site implementation coach and instructional lead team member for a charter management organization. Ms. Villa graduated Cum Laude from UCR with her B.A in English and Sociology, received her Masters Degree from USC, and earned a PhD in Education focusing on Urban Leadership at Claremont Graduate University.

Stephanie Grissom, M.Ed.

Teacher, CSET Mathematics

Stephanie earned her B.A in mathematics from the University of Kansas. After graduating, she spent time in South America teaching English then came to Los Angeles as an AmeriCorps VISTA where she worked at a literacy nonprofit. She has been teaching for the past several years in various areas of Los Angeles, including LAUSD and Southern California charter schools.

Todd Lewis M.Ed.

Teacher, CSET Multiple Subjects

After earning his Bachelor of Art's degree in history at San Diego Christian College, Todd earned a teaching credential from California State University, Sacramento. He then went on to earn his Master of Science degree in Education with a focus on Reading and Literacy from Walden University. He has taught elementary and middle school students for 20 years in the San Juan Unified School District and currently teaches history to 7th and 8th grade students.

Wendy York M.Ed.


Wendy was born and raised in Fort Worth, Texas, and received her Bachelor's Degree from Texas A&M University. She began her career as a 6th Grade Teacher in Houston, Texas. In 2005, Wendy relocated to Southern California where she taught at Pinacate Middle School in Perris, California. Later, Wendy accepted a position with the school district as a Secondary Literacy Coach. For the past 5 years, she has served as an Instructional Coach and Educational Consultant with a focus on supporting educators to ensure all students have options for the future.

Katherine McLemore

Teacher, CBEST

Katie graduated with a BA in Liberal Studies with a math concentration from CSU Long Beach. She has 3 years teaching experience and holds a Clear Single Subject Teaching Credential in Home Economics, a Clear Foundational Math Credential, and a Clear Multiple Subject Credential.

Kate Murray M.A.

Teacher, RICA

Kate currently works as an instructor and a University Supervisor. She has taught courses on Literacy Instruction, Methods in ELD/SDAIE, Assessment and Elementary Methods & Curriculum. Kate worked as a Resource Specialist and reading teacher where she planned and executed reading curriculum for reading intervention classes and ran the RTI (Response to Intervention) program. She graduated Summa Cum Laude from the University of Colorado and received her Masters in Education from San Francisco State University after her service with Teach for America.

Diana Lu


Diana graduated from UCLA with a B.A. in International Economics and an M.B.A. from the Anderson School of Management. Diana spent much of her professional career in the private sector working in various management roles across finance, sales, merchandising, and human resources. She enjoys working in a collaborative environment and helping others accomplish their goals through coaching, training, and development. When she's not in her home base of Los Angeles, Diana is likely traveling and exploring the world.

Katia Dunkel Ed.M

Teacher, RICA

Katia has been a K-8 teacher in the Bay Area since 2005 teaching kindergarten, 2nd grade, 3rd grade and middle school reading intervention. In 2012, she obtained her Masters in Education in the Mind, Brain and Education Program. Her focus was on the effects of trauma on children and the neuroscience of reading. Since then, she has served as a reading intervention teacher and literacy coach. Most recently, Katia has moved into instructional coaching and is excited to be supporting teachers in developing their instruction and pedagogy.

Brady Lang M.A.


Brady received his degree in Anthropology from the University of Montana then moved on to reviving a degree in secondary social studies education from Humboldt State University. Brady has been teaching for 7 years and had taught a wide variety of subjects including science, history, government and humanities.

Bobi Blue M.Ed.


Bobi graduated from University of Portland with a BS in Secondary Education with a double major in English. She earned a Masters of Education from Lewis and Clark College and along with her M.Ed, she obtained a Documentary Studies Certificate. She has a profound love for the language arts and has taken many opportunities throughout her career to continue to grow her mastery of the English Language Arts including MothSHOP for teachers, Wordstock, and the Oregon Writing Project. She has taught at an alternative high school for 13 years.

Jess Northup M.A.


Jess has over fifteen years of experience in education. He has taught a variety of subjects including English, Spanish, and music. Jess also worked as an early childhood teacher for many years in Chicago. Over the past five years Jess has used his expertise to help ESL programs write curriculum, while still assisting students in the classroom as a teacher. In addition to being a passionate educator, Jess is a song writer and performing musician who loves to travel. He holds a B.A. from Berklee College of Music.

Katrina Hutchins

Curriculum Designer

Katrina earned her Bachelors of Arts degree in Elementary Education from Florida Southern College in Lakeland, FL in 1999. She then taught 3rd and 4th grade for 15 years. Following that, she earned her Gifted endorsement and taught Gifted enrichment classes to students in grades K-5. In 2016, she became endorsed as a reading coach and is a literacy coach for the Polk County School Board in Lakeland, FL.

Carolyn Klarecki


Carolyn graduated from the University of Michigan with a BA in Communications and Screen Arts and Cultures while also serving as an editor on The Michigan Daily.

Administrative and Creative Team

Below is your Teachers Test Prep administrative and creative team. These are the individuals who ensure that the services you use are of unparalleled quality and effectiveness, and that you receive excellent customer support when you need it most. At Teachers Test Prep, our industry-leading test preparation programs are a direct result of the outstanding people who create and manage them.

Justin Hone

Program Advisor/ Lead Graphic Designer

Since 2005, Mr. Hone has owned and operated a graphic art consulting company which specializes in developing corporate images, presentation materials, web design, and marketing materials. He is also a geophysicist and spatial analyst in the environmental forensics field. He earned his BS in geophysics from the University of California and, prior to joining the environmental sector in 2004, Mr. Hone managed product prototyping, business development, and investor support services as president of an explosives detection company's European subsidiary.

Robert Duncan

Director and CEO

Robert Duncan began his academic career in the Neuroscience program at UCR, where he went on to receive his bachelors in Creative Writing with Upper Division Honors. He then received his Masters from the Peter Stark Producing Program at USC. In 2005, after tutoring his mom and helping her pass her teacher certification exams, Robert realized the need for quality, subject-matter-focused, test preparation programs for aspiring teachers. He founded Teachers Test Prep, and it quickly grew from a one-man operation into the nation's leading provider of teacher certification exam prep.

Mark Samuels

Content Developer/ Test Writer

Mark Samuels graduated from Hampshire College in 2003 with a B.A. in International Relations. He spent his first 2 years in Los Angeles tutoring advanced students for the SAT and now specializes in creating materials and strategies to help teaching candidates pass the CSET. He has worked in legal support and also contributes non-fiction writing to various online publications. As a diehard Simpsons fan, he will sometimes utilize Mr. Burns' wisdom to help students learn: "Smithers, I've survived two world wars, a Great Depression, and four years of McKinley-nomics."

Stephen Kowalski

Chief Technology Officer

Stephen Kowalski is a senior technology leader with 15 years experience in Web Development and IT Operations. He has held a variety of technology management positions at Digital Lava, Interactive Video Technologies,, and founded Modern Broker. He graduated from UCLA with a degree in psychology, specializing in education and modeling the brain through artificial intelligence and neural networks.

Jay Tulathimutte

Lead Developer/System Administrator

Jay is a senior-level software engineer with system administration skills. His spends most of his working hours in the terminal ssh'ed to some remote machine. He has broad skills in Full Stack Web Development. He never stops learning.

Rebecca Sweeney

Office Administrator/Customer Service

After graduating with a Bachelor's Degree in Cinema Studies from the Tisch School of the Arts at New York University, Rebecca moved to San Francisco and began working in marketing. She worked in both the nonprofit sector and the startup arena for several years before taking a year-long break to travel around the country. Upon returning to the Bay Area, Rebecca was especially drawn to Teachers Test Prep, as her mother was an elementary school teacher.

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