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Our Tutors

Abby Grifno

Abby Grifno

English/Executive Functioning Coach

Abby Grifno received her BA from American University in Washington, DC, and is pursuing her Masters in Teaching at the University of the District of Columbia. She currently works for Montgomery County Public Schools as a middle school teacher and specializes in Secondary English

Alison Deli

Alison Deli

English/Executive Functioning Coach

Alison Deli has been involved in education for most of her adult life. She has earned degrees in English as well as Curriculum and Educational Studies which allowed her to find time to work with high schools students in writing, reading, and organazational strategies.

Andrea Savage

Andrea Savage

OG Trained Reading Specialist

Andrea is a Montgomery County native and is currently a reading specialist at Holy Redeemer School in Kensington, Maryland. She received her Masters of Science in Reading from Johns Hopkins University and she completed her BA Undergraduate program in Early Childhood Education at Clemson University

Brooke Charlesworth

Brooke Charlesworth

English/Executive Functioning Coach

Brooke has worked hard to discover and improve teaching methods for a continually changing youth for the last thirteen years as an educator. Presently, she is an Instructional Coach and Resource Room Teacher at The Langley School in McClean, VA.

Deborah Kelly

Deborah Kelly

Elementary Reading Specialist

Deborah Kelly received her Bachelor's degree from Texas A&M University and her Master's of Education from Lamar University also in Texas. Deborah taught first and second grade for seven years and then became a reading instructional specialist

Gavin Hymes

Gavin Hymes

English/SAT/ACT/Executive Functioning Coach

Gavin has taught every grade from kindergarten through the sophomore year of college, and in locations as diverse and distant as New England and Peru. He has an Ed. M. from the Harvard Graduate School of Education, as well as a B.A. in English Literature and a B.A. in Spanish from the University of Massachusetts Dartmouth

Jessica Bello

Jessica Bello

English Tutor/Executive Functioning Coach

Jessica is a Teach for America alumna and a current MCPS English teacher. She teaches 10th Grade Honors English, AP Language and Composition, and Creative Writing.

Lana Skrtic

Lana Skrtic

English/History/Math/Test Prep

Lana holds a teaching credential in Social Science and English Literature for grades 6 through 12, and she has taught middle school and high school English and History. Lana graduated with a Masters of Science in Energy and Resources from the University of California at Berkeley, where she also completed PhD coursework in history

Lisa Sorensen

Lisa Sorensen

College Admissions Consulting

Lisa helps students find the best fit using tools to identify a list of schools, review high school transcripts/advise on course selections, support students as they write their college essay/supplemental essays/scholarship essays/honors program essays, navigate the Common App

Megan Rogge

Megan Rogge

Orton-Gillingham Tutor

Megan has 13 years of Elementary teaching experience in both public and independent school settings. She has a BA in Architectural Studies from William Smith College, and a MA in Elementary Education from Marymount University

Reilly Barrett

Reilly Barrett

Science/Math Tutor/Executive Functioning Coach

Reilly has been teaching middle school science in MCPS for 6 years. She graduated from the University of Florida with an undergraduate degree in Biology and minors in Chemistry and UFTeach (education). In addition, she holds a master's degree from UF in Secondary Science Education that focused on internships and long term substitute positions in higher level sciences. She is certified to teach 6-12 science and has also taught summer school math for Montgomery County.

Ryan Elias

Ryan Elias

Elementary Reading and Math Tutor

Ryan Elias is a 1st grade teacher at Green Acres School in North Bethesda. She received her BA from Scripps College in Claremont, CA in Art History, and her MS from Bank Street College of Education in NYC with a dual degree in Early Childhood General and Special Education.

Stephanie Lee Rizas

Stephanie Lee Rizas

Writing/Executive Functioning/History

Stephanie Lee Rizas is currently an IB History teacher with MCPS but has years of experience teaching all levels of History, writing, and ESL as well as experience with students with organizational challenges. She is passionate about activating the potential in every student through an individualized approach to learning.

Yosohadara Rivera

Yosohadara Rivera

Spanish Tutor

Yosohadara Rivera was born and raised in Camuy, a coastal town in Puerto Rico. She has been a language teacher in Montgomery County Public School for three years but started as a Spanish Teacher in Puerto Rico nineteen years ago

Adam Liddle

Adam Liddle

English/History/Executive Functioning Coach

Adam is a lifelong learner and dedicated teacher. In his pursuit of higher education and expanding his own horizons, he has traveled broadly across the United States, Europe, and South Asia. He grew up in Ohio and studied world music at Bowling Green State University

Allison Angowski

Allison Angowski

Math Tutor

After studying middle level education with a concentration in math and a minor in TESOL from Messiah College, Allison acquired her first teaching job in Montgomery County Public Schools as a middle school mathematics teacher.

Arko Chatterjee

Arko Chatterjee

Math and Science Tutor

Akro is currently a Ph.D. student at the Mechanical Engineering Department of the University of Maryland. His current research focuses on predictive maintenance of naval vessels. Akro has had many years of teaching experience

Catherine Angowski

Catherine Angowski

Kindergarten Tutor

Catherine Angowski is a kindergarten teacher for Fairfax County Public Schools. She is certified to teach Pre-K through 6th grade and Special Education K-6. Catherine began her teaching career in Special Education teaching kindergarten and fifth grade, but then switched to general education teaching kindergarten. She loves watching her students grow throughout the year. She enjoys teaching reading to the younger students and teaching math to the older students. A fun fact about her is that she taught in the Philippines for a short period of time.

Dr. Sharon Blumenthal-Cohen

Dr. Sharon Blumenthal-Cohen

English/SAT Tutor

Dr. Sharon Blumenthal-Cohen has worked in education for over 25 years teaching students from middle school through graduate school. She holds a BA in English education, an MA in literature, and an EdD in curriculum and instruction.

Heather Holcombe

Heather Holcombe

OG Reading Specialist

Heather was an elementary special education teacher and phonics specialist at a charter school in Boston for 7 years until the pandemic hit. Now she’s at home with her two little boys. She has degrees from Smith College and Lesley University and is a certified Orton Gillingham instructor. Heather loves helping students find books they love and watching their excitement as they discover the joy of reading.

Jonathan Cummins

Jonathan Cummins

Math/Science/Executive Functioning Coach

Jonathan has been helping younger students grasp and excel in academic material since high school. There, he was a teaching assistant for his favorite class, BC Calculus. He also tutored students in Physics at a local community center.

Lesli Drewry

Lesli Drewry

OG Reading Tutor/Early Childhood Educator

Lesli Drewry is a kindergarten teacher at St. Andrew’s Episcopal School in Potomac, Maryland. She has over twenty years of classroom teaching experience from preschool through grade twelve, but for the past ten years, she has worked in early-childhood

Lorelei Dinger

Lorelei Dinger

Science/Executive Functioning Tutor

Lorelei grew up in Montgomery County and has now enjoyed teaching in the county for 5 years. She graduated from The University of North Carolina Wilmington in 2016 with a degree in middle grades education, concentrating in science and language arts.

Michael DeSiena

Michael DeSiena

Math/SAT/ACT Tutor

Michael is an MCPS math teacher currently at Tilden Middle School. He is certified to teach math in grades 7-12 and has experience with Algebra, Geometry, Pre-Calculus, and Calculus. Michael attended the University of Maryland where he received an Undergraduate degree in Mathematics and a Graduate degree in Secondary Education.

Riley Bartlebaugh

Riley Bartlebaugh

English Tutor

Riley is a three time graduate from the University of Maryland and holds a BA in English Language and Literature, a BA in Theatre, and a Master of Education in Curriculum and Instruction. Upon graduation, Riley moved to Massachusetts to work with the actors and scholars at Shakespeare & Company

Scott Carpenter

Scott Carpenter

English/History/Executive Functioning

Scott has been a classroom teacher for the better part of two decades. In this time, he has worked with thousands of students grade 7 through grade 12. These learners have had a diverse set of academic and emotional needs. Supporting the individual needs of each learner is Scott’s primary objective.

Sylvie Herberg

Sylvie Herberg

English Tutor

Sylvie Herberg taught ninth and eleventh-grade honors and on-level English, AP Language & Composition, and Journalism at Walter Johnson High School for 10 years.

Alexia Chatfield

Alexia Chatfield

English/SAT/ACT Tutor

Alexia Chatfield is a secondary ELA teacher in Montgomery County. She grew up in the DMV area and graduated from Bethesda-Chevy Chase High School. Upon graduation, Alexia continued her studies at Tulane University in New Orleans, where she graduated Magna Cum Laude.

Allison Greenblat

Allison Greenblat

Pre-K-1st Grade Tutor

Allison grew up in Montgomery County MD received her Bachelors in Early Childhood Education at Towson University. She then got her first teaching job in Montgomery County teaching 1st grade.

Ashley Herdman

Ashley Herdman

English/Executive Functioning Coach

Ashley is entering her tenth year teaching! After receiving her Bachelor’s Degree in English and Master’s Degree in Secondary Education, she taught a variety of English classes at Montgomery College. Having graduated from MCPS, she was eager to teach in the county where she was raised.

Catherine Murray

Catherine Murray

Elementary/Middle School Tutor and Executive Functioning Coach

Catherine Murray received her bachelor's degree in Early Childhood Education and Special Education at York College of PA. She recently earned her master's degree in Reading Education from Towson University. Catherine has been a classroom teacher in MCPS for the past five years. She is currently teaching 1st grade Special Education and she has previously taught middle school Special Education for 6th and 8th grade, co-teaching math.

Elliott Niblock

Elliott Niblock

English/SAT/ACT/Executive Functioning Coach

Born and raised in Wisconsin, Elliott has traveled widely to pursue his career in higher education. He moved first to St. Paul, Minnesota to attend Macalester College, with brief stints abroad at the Goethe Institute in Berlin, as well as King’s College in London.

Jamie Carlin

Jamie Carlin

Elementary Reading/Math

Jamie is a dedicated and enthusiastic elementary educator who is committed to instilling a love of learning in her students. She received her Masters of Arts in Teaching from Quinnipiac University and received her Bachelor's Degree in Psychology, also at QU.

Joyce Khouri

Joyce Khouri

English Tutor/Executive Functioning Coach

Joyce has taught English for 16 years in MCPS (almost every single grade from 6-12). She has also taught all levels, from inclusion to IB Literature and Language, and she is very passionate about helping students excel since the skills needed for English class are the same skills students will need their whole lives as they become effective communicators.

Leslie Margarida

Leslie Margarida

English/Spanish/ESL/Executive Functioning Tutor

Leslie has been an MCPS educator for 30 years teaching students from dozens of different countries and backgrounds. She is certified to teach K-12 English Language Development and Secondary English and Spanish

Matthew Lichvar

Matthew Lichvar

Elementary and Middle School Reading Tutor

He has been with MCPS for 14 years, spending 5 of those years teaching Grade 6. In the past, he has taught Grades 3,4,5, and 7. Currently, he teaches Grade 6 Reading and Earth Science.

Rebecca Poyatt

Rebecca Poyatt

English/Executive Functioning Tutor

Rebecca Poyatt holds a BA in history education from The Catholic University of America and both a Masters in children’s literature and language arts and an Education Specialist degree in educational theory and practice from the University of Georgia

Ryan Dimmick

Ryan Dimmick

Spanish/English Tutor

Ryan is currently in his third year as a high school Spanish teacher in MCPS. A native of Montgomery County, Ryan completed the Spanish Immersion program in the Bethesda-Chevy Chase cluster; he continued with the language at Muhlenberg College, where he received a Bachelor’s Degree in Spanish and in Education

Sophia Keinath

Sophia Keinath

Academic Tutor

Sophia is a K -12 Reading Specialist. She earned her Masters in Literacy from the University of Pennsylvania in 2013 and her Certification as a Reading Specialist. She is also a certified Elementary Classroom Teacher with her Bachelors degree from St. John’s University. She has had diverse teaching experience as a Reading Specialist in Philadelphia, PA as well as here in Montgomery County, at St. Bartholomew School in Bethesda

Usoshi Chatterjee

Usoshi Chatterjee

Math/SAT/ACT/Science Tutor

Usoshi is a doctoral student in the department of Environmental Science and Technology at University of Maryland. She has a Master of Science and Bachelor of Science from The Ohio State University in Food and Biological Engineering and is interested in learning various ways to incorporate sustainable systems.

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