Meet The Math Team
Tioma Maloratsky
While at MIT Tioma taught freshman physics courses and fell in love with sharing his passion. He builds mindfulness into all of his lessons and is an expert on executive function development. Tioma is a budding artist and also fluent in Russian and Spanish.
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Manhattan
6th Grade - Grad
Victor Pereira
Victor grew up in Boa Esperança in São Paulo, Brazil. He has a background in Chemical Engineering – Nanoengineering, and Biomedical Engineering from the University of California. His expertise lies in the sciences and mathematics subject fields such as; Biology, Chemistry, Biochemistry, Calculus, and Physics. Victor is currently, pursuing his Masters of Science in Biomedical Engineering at Columbia University with a Behring Fellowship.
Jessi Himmelsbach
Jessi is our head of operations and one of the most sought after lower school tutors in Chelsea. She's a former Avenues teacher and universally loved by her students.
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Manhattan/Hamptons
Prek - 6th Grade
Staci Hyman
​Staci holds a Master’s degree in Bilingual/Dual Language Education from Bank Street College, is an alumna of Teach For America and earned a Masters in International Affairs from Columbia University's School of International and Public Affairs. With over fifteen years of pre-school through university level classroom experience, Staci is currently a head teacher in second grade Spanish immersion at Avenues. She is an avid fair weather runner and will run the NYC Marathon this spring! She also loves traveling to her other beloved metropolis, Mexico City.
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Manhattan - Remote
Prek - 12th Grade
Asher Lack
Asher has tutored privately for eleven years and works as the dedicated substitute teacher for the English department of Stuyvesant High School (where he has worked since 2009). He has worked with students across all levels of writing from simple composition to term papers and college essays, as well as math from basic arithmetic to pre-calculus.
He has years of experience preparing students for the SAT, ACT, ISEE, SSAT, and SHSAT. Growing up in New York, Lack attended Stuyvesant High School and received his BFA in screenwriting from NYU’s Tisch School. When not teaching, he enjoys playing music.
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Manhattan - Remote
Laura Bradford
Laura loves teaching math! She currently splits her time between tutoring and teaching math part-time at The Chapin School in Manhattan. Her favorite part of tutoring is witnessing those moments when students reach their goals in math and in their broader lives.
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She began her math journey at Bard College, where she earned her BA and MAT in math. She taught at Exeter for 3 years before moving to NYC. Laura is experienced and passionate about tutoring all kinds of math curricula, but Exeter Math holds a special place in her heart!
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In her free time, Laura enjoys strength training, reading, sewing, origami, composing music, walking to places near and far, and spending time with her friends and family.
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Manhattan - Remote
Grades 6-12
Rachel Moskowitz
Rachel Moskowitz is a native New Yorker. She grew up on Long Island and has been living in New York City since 2017. Rachel is a graduate from Teachers College, Columbia University, with a Dual Masters in General Education and Special Education grades 1-6. Rachel has taught in the Bronx and the Upper West Side in multiple grades. She currently teaches 6th grade in an Integrated Co-teaching classroom at a public school on the Upper West Side. In her free time, she loves to travel and try all different types of food!
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Manhattan Remote
Grades K-6th
Mikayla Dobson
Originally from Southern California, Mikayla attended California Lutheran University, where she
earned her bachelor’s degree in marketing communications. After getting her master's from UC Irvine, she taught Algebra 1 & 2 at Santa Margarita High School.
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In 2022, she relocated to Brooklyn to focus on her tutoring career!
​Brooklyn - Remote
Grades K-6th
Damien Hsu
With a decade of teaching experience, Damien serves as a passionate math tutor with a focus
on high school education. His commitment to the subject began with his accomplishment of
earning full marks on the SAT Math Test, SAT Math Subject Tests (Level I & II), AP Calculus Test,
and GRE Math Test. Originally from Taiwan, he has pursued education at various institutions,
attaining a BS from the Wharton School, University of Pennsylvania; an MPH from Yale University; and a Ph.D. from Teachers College, Columbia University.
​NJ - Manhattan - Remote
Grades K-6th
Yarden Tamari
Yarden has a B.S. in Math and Comp Schi from NYU - Courant and has been a TA for multiple college-level math classes. She loves working one-on-one with students and simplifying the complex.
Yarden hails from Israel, is fluent in Hebrew, and is also a strength and conditioning coach.
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Manhattan - Remote Learning
Deborah Li
Deborah is a native New Yorker. After graduating from The Brearley School, she went on to earn her Bachelor's degree at Columbia University. She is now working on her M.D. at Stony Brook University. As a student and recent graduate herself, Deborah understands how to navigate the stresses and challenges that students face on a daily basis. Connecting with her students on a personal level, she provides them with not only academic support but also the emotional support necessary to thrive in their educational journey. When Deborah is not studying or teaching, she enjoys exercising, trying new restaurants, and taking care of her plants.
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Manhattan - Hamptons - Remote
6th-12th Grade
Math - ACT/SAT - Biology
Claudia Freedman
Originally hailing from the San Francisco Bay Area, Claudia survived two Polar Vortexes (and a few milder Midwest winters) at The University of Wisconsin-Madison, where she earned two degrees: a regular Bachelor of Arts in Radio/TV/Film and a Journalism Bachelor of Arts with a focus on strategic communication (advertising and public relations) through the School of Journalism and Mass Communication.
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She has experience teaching and tutoring in grades Kindergarten through 5th across all subjects in both California and New York City. Currently, Claudia is a 1st grade head teacher at The Caedmon School on the Upper East Side of Manhattan. Previously, she was a 1st grade head teacher at Nightingale-Bamford School.
In her spare time, you can find her quoting Kristen Wiig, singing Broadway show tunes, or correcting your grammar.
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Westchester - Remote
Grades K-8th
Vincent DiGeronimo
Vincent is a full-time second grade teacher at Riverdale Country School. He has experience teaching and tutoring students from ages 4-9. He has experience with students as young as two in art, music, and dance from his work with Kidville in the Bronx. When Vincent is not working, he loves theatre (he has a BA in Theatre Arts from
Lehman College), songwriting, reading, and taking care of his two cats and dog.
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Manhattan - Riverdale - Westchester - Remote
Grades K-5th
Irvin Liu
Irvin moved to NYC and earned a Masters in civil engineering from NYU. Influenced by his own experience, Irvin believes “Interest is the best teacher.” With a cheerful and open-minded personality, Irvin instills a passion for learning in his students and makes the lessons challenging but achievable.
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Manhattan - Remote
Ari Livne
Ari graduated cum laude from Yale University and since moving to New York in 2012 he has worked with students of nearly all ages across a wide variety of subjects. He believes his students academic success is always a priority but remains fiercely committed to cultivating academic independence.
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Ari is also an accomplished classical pianist. He received a master's from Julliard and is currently working towards a doctorate in music at CUNY Graduate Center. He also teaches music theory at Hunter College.
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Manhattan - Remote
Layla Decluca
Layla is a New York State certified general education and special education teacher. She has been working for private clients across New York from Buffalo to The Hamptons, since 2017.
Layla is committed to individualizing instruction to each learner in order to reach every student and their needs. While prioritizing developmentally appropriate instruction, Layla strives to make education an enjoyable experience.
Layla holds a master’s degree in Early Childhood Special Education, from SUNY Buffalo State College. While obtaining her masters degree in Buffalo, Layla worked as a kindergarten special education teacher. Prior to completing her master’s degree, Layla received her bachelor’s degree in Early Childhood Education from SUNY Fredonia.
Layla is a devoted and diligent educator who believes in maximizing the potentials of each child she works with.
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Manhattan - Hamptons - Remote
Kristie Virtue
Kristie is a 3rd grade teacher at St. Bernard's. She takes a “needs-based” approach to teaching, altering her lessons and implementing them in the classroom so that they can meet the needs of every student. Kristie is a dedicated, hard-working professional and her love and passion for education is evident through her work with her students.
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Manhattan - Rye
PreK - 5th Grade
Jon Kopita
Jon has been a NYC-based tutor, educational consultant, and college app adviser for the past 30 years. He has worked with families from all over the world.
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Jon is a graduate of Cornell with a BA in Chem and a concentration in Physics. After working for a large chemical company he decided to move into tutoring full-time in 1989 and hasn't looked back. ​
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Manhattan - NW Connecticut - Remote
Grades 6-College
Dustin Long
Dustin Long is a novelist, teacher, tutor, and mentor who has over 15 years of experience working with students both one-on-one and in classrooms. The key to Dustin's style of teaching is his ability to tailor his approach to fit the needs of each individual student. Whether students prefer to have their camera off or they prefer to chat through Discord, Dustin is great at keeping them both comfortable and on-task.
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Manhattan - Brooklyn - Hamptons
Carli Jaff
Carli is a graduate of Columbia TC and is one of the youngest head teachers ever at Riverdale. When she's not educating, she is dancing, boxing, reading, or volunterring for the Jewish Big Brothers/Sister organization.
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Manhattan - Remote