Our Tutors

Of the hundreds of candidates who apply to Brownstone Tutors every year, a handful are invited to join our roster of exceptional educators. A record of outstanding academic achievement is, of course, a must. But beyond that, we look for individuals who possess the difficult-to-measure qualities that are essential to good teaching. Above all, we prize the kind of intellectual empathy that enables teachers to intuitively understand their students’ thought processes, and to tailor their instruction accordingly.

Joshua Brown of Brownstone Tutors

Joshua Brown


Joshua graduated from Harvard with a BA, magna cum laude, in History and Government. He began tutoring in college—SAT prep primarily—and continued doing so when he moved to New York to study U.S. History at Columbia. After taking some time to work as a journalist, he returned to New York and to tutoring. In 2007, he founded Brownstone Tutors.

Matthew Brown of Brownstone Tutors

Matthew Brown

Tutoring Director

Matthew (brother of Joshua) has been the tutoring director at Brownstone since 2012. He received a B.A. in History from Princeton and an M.A. in U.S. History from the University of North Carolina at Chapel Hill. He began  teaching and tutoring in 1996.

Tutor - Andy B.

Andy B.

Andy received his B.A. in American History and Literature from Harvard (Phi Beta Kappa, magna cum laude) and his M.F.A. in Playwriting from Columbia University. He tutors students in a variety of subjects, from ACT/SAT to US and world history to college writing.

Tutor - Bix Bettwy

Bix B.

Bix graduated Yale with a B.A. in Theatre Studies and completed his J.D. at N.Y.U. Law School. Bix prepares students for the LSAT, SAT, ACT, SSAT, and ISEE exams.

Tutor - Dan B.

Dan B.

Dan graduated with High Distinction from the University of Virginia’s Modern Studies Honors Program. He has completed a Masters in Finance and a Post-Bac degree in Behavioral Economics. Dan tutors test prep (SSAT/ISEE, SAT/ACT) as well as academic subjects ranging from math and writing to economics. He also enjoys helping students with their college applications and essays.

Daniel B.

Daniel graduated magna cum laude from Harvard with a degree in History and Literature and received an M.A. in Communication and Documentary Film Production from Stanford. His areas of expertise include writing and test prep—SAT, ACT, ISEE, SSAT, SHSAT, Hunter, and more.

Mallory B.

Mallory graduated from Yale with a double major in Classics and Humanities. Mallory’s areas of expertise include test preparation (SAT, ACT, ISEE, SSAT, SHSAT) and Latin, as well as math and writing enrichment. She also helps students craft their college application essays.

Randyn B.

Randyn graduated from Cornell with a B.A. in Mathematics and received an M.S. in Operations Research from Rutgers University. He tutors math, including math competitions, and writing to students from elementary through high school, and he also preps students for the SAT, ACT, ISEE, and SSAT.

Sam B. - Tutor

Sam B.

Sam has a B.A. in Theatre Studies from Yale. He’s been tutoring the SAT and ACT for over a decade. His areas of expertise also include ISEE/SSAT/SHSAT/HSPT prep and essay writing.

Eliza D.

Eliza received a B.Sc. in Chemistry from Yale, and is now a Ph.D. candidate in Earth and Environmental Engineering at Columbia University. She works with elementary-, middle-, and high-school students. Her areas of expertise include math, chemistry, physics, and environmental science.

Tutor - Nick D.

Nick D.

Nick graduated from Wesleyan University with a B.A. in Dance. He tutors in a wide range of subjects including standardized test prep, physics, math, Latin, French, and writing.

Tutor - Emily E.

Emily E.

Emily graduated magna cum laude from Dartmouth College with a degree in History. Currently, she’s an M.F.A. candidate in Columbia University’s Film Program. Emily tutors high-school and middle-school students in history, English, science, and math. She also helps students prep for the SHSAT, SAT, & college applications

Jared G.

Jared graduated magna cum laude from Princeton, majoring in Comparative Literature, and holds a M.F.A. in Fiction from NYU. A specialist in test prep (SAT, ACT, SSAT, and ISEE) and college application support, he has also taught creative writing at the college level.

Kyle Gerry, Tutor

Kyle G.

Kyle graduated magna cum laude and Phi Beta Kappa from Columbia University, where he majored in Political Science and Economics. His areas of expertise are math (including multivariable calculus and statistics), economics, political science, history, and Spanish, as well as SAT, ACT, ISEE, SSAT, and SHSAT prep.

Tutor - Mark G.

Mark G.

Mark graduated from Harvard University with a B.A. in Chemistry and Physics. He is now working on his Ph.D. in Earth and Environmental Engineering at Columbia University, where he also earned his M.Sc. in the same field. His specialties include chemistry, physics, and math.

Alex Hare, Tutor

Alex H.

Alex graduated from Columbia University, where he majored in American Studies and English Literature. He tutors in a variety of areas, including SSAT & ISEE, writing and grammar, middle-school math, and SAT & ACT.

Carla H.

Carla graduated from Penn with both a B.A. in Biology and Biochemistry and an M.S. in Chemistry, and is currently working on her Ph.D. in Biochemistry at Columbia. She teaches science to students from middle school through college, specializing in biology, physics, or chemistry.

Caronline Hewitt, Tutor

Caroline H.

Caroline graduated with high honors from Vassar College, where she majored in French. She received her M.F.A. from the American Conservatory Theater. Her areas of expertise include all levels of French, English, and history. She also prepares students for the SSAT, ISEE, and SHSAT tests.

Charlie K.

Charlie graduated from Skidmore with a B.A. in English Literature. He has extensive experience with both test preparation (SAT, ACT, ISEE, SSAT, SHSAT and more) as well as with academic support in English, math, history, and psychology.

Tutor - Hannah K.

Hannah K.

Hannah graduated summa cum laude, Phi Beta Kappa from Barnard College with a degree in Spanish and Comparative Literature. She holds an MFA from Columbia University, where she has also taught writing. A writer and translator, Hannah’s areas of expertise include Spanish, writing, and application essays.

Tutor - Andrew Lack

Andrew L.

Andrew graduated magna cum laude from Cornell (English) and received an M.A. in English from Brown University, where he was also a T.A. and a lecturer. In addition to test prep (SAT, ACT, SHSAT, ISEE, SSAT, Hunter), Andrew also tutors writing, literature, and history, including the SAT subject tests in history.

Liz L.

Liz graduated cum laude from Harvard with B.A. in Organismic and Evolutionary Biology. Liz tutors biology, including AP and the SAT subject test, math, writing, and test prep (SAT, ACT, ISEE, SSAT, SHSAT).

Mark M.

Mark graduated magna cum laude from Harvard with a B.A. in Theater Arts & Performance. He works with students across a range of grades on math, science, writing, and executive functioning coaching. Mark also has extensive experience with test prep, including the ACT, SAT, ISEE, and SSAT.

Hannah N. - Tutor

Hannah N.

Hannah received her B.A. from Middlebury College, majoring in English with a concentration in Creative Writing. She helps students improve their reading, writing, problem-solving, and general organizational study skills. She also tutors the ISEE and SSAT.

Tutor - Cordelia O.

Cordelia O.

Cordelia graduated cum laude from Bowdoin College with a degree in Sociology and Gender, Sexuality & Women’s Studies. She tutors students from middle school through college in reading, writing, math, personal statement essays, and test prep (SAT, ACT, SHSAT, ISEE, Hunter and LSAT).

Bill O.

Bill received a B.A. in Anthropology, summa cum laude, from Princeton, an M.A. in Cinema Studies from NYU, and an M.F.A. from the American Film Institute. His areas of expertise include standardized tests (SAT, ACT, SHSAT, SSAT, and ISEE), as well as English, history and math.

Laura P.

Laura received her B.A. in Classics (Greek) from Yale University and her M.A. in Teaching English in Secondary Schools from NYU. She teaches exam prep for high school and college entrance, as well as math, English, and Latin. She also writes test-prep materials and standardized tests, including math and ELA state assessments and other high-stakes exams.

Amy Rosenblum, Tutor

Amy R.

Amy graduated with honors from Yale with a major in Theater Studies and a focus in Cognitive Science. She works with students of all ages, cultivating independent curriculums in organizational study strategies, reading comprehension, writing enrichment, and elementary- and middle-school math. She also prepares students for standardized tests (ISEE, SSAT, SHSAT).

Max R.

Max received an MFA in Creative Writing from the University of Iowa. A former essay grader for the College Board, he  graduated from SF State with a degree in Political Science. He teaches writing to students of all ages, as well as U.S. history.

Michael R.

Michael received his B.A. from UCLA, majoring in Theater. He has tutored extensively in math, English, and writing for students in elementary, middle, and high school, as well as in artistic areas, including music theory and piano performance.

Tiffany R.

Tiffany graduated from Harvard University, cum laude, as a Neurobiology major. Before that, she attended Hunter College High School in Manhattan. She helps middle-school and high-school students prep for various entrance exams, including the ACT, SAT, and SHSAT, as well as APs and SAT subject tests in the sciences.

Tutor - Alex S.

Alex S.

Alex graduated from Brown University with a B.A. in Mathematical Physics, where he also served as a TA in the mathematics department. He tutors all levels of mathematics, including logic, all levels of physics, music history/theory, and art history.

Cara S. - Tutor

Cara S.

Cara graduated magna cum laude from Princeton with a B.A. in Comparative Literature. An accomplished linguist, she tutors French, Italian, and (very rarely) Old Provencal. She is adept at preparing students for the SAT, ACT, SSAT, and ISEE, as well as for APs and subject tests.

Tutor - Cory S.

Cory S.

Cory graduated summa cum laude, Phi Beta Kappa from Washington University in St. Louis with a degree in History & Literature and a minor in Classics. He received his Master’s in English from NYU and taught both middle- and high-school English and history. In addition to tutoring in those subjects and coaching writing, Cory is also an admissions counsellor for college and high school.

Debbie Sokolowski, Tutor

Debbie S.

Debbie received two Masters degrees in Classical Studies from Columbia University, where she is currently pursuing a PhD. Her areas of expertise are Latin, Ancient Greek, and ancient history.

Dylan S.

Dylan graduated magna cum laude from Yale with a B.A. in Music, with distinction in the major. He is an experienced test-prep tutor (ISEE, SSAT, SHSAT, ACT, SAT), and he also teaches analytical and creative writing, middle- and high-school subject support, organization/study skills, and the college admissions process.

Juliana Sass - Tutor

Juliana S.

Juliana graduated cum laude from Harvard University with a B.A. in Comparative Literature and a minor in Theater, Dance and Media. Juliana tutors the SSAT and ISEE and works with lower-, middle- and high-school students in a variety of subjects, with a focus on languages and the humanities.

Zachary S - Tutor

Zachary S.

Zachary graduated from McGill University with a degree in Mechanical Engineering. He has many years of classroom teaching experience in math and physics, and tutors students in a wide range of math courses as well as physics and computer science.

Zack S.

Zack graduated with honors from Brown University with a B.A. in Philosophy. He tutors in a wide range of subjects, including SAT and ACT prep, ISEE, SSAT, and SHSAT prep, mathematical logic, and A-level psychology. He also has years of experience developing online, graduate-level courses for top universities, such as Duke, UC Berkeley, and NYU.

Ruslan T.

Ruslan majored in Art at Grinnell College, and received an M.F.A. in Sculpture and an M.A. in Statistics from Hunter College. Ruslan tutors math at all levels, including the SAT subject tests, as well as physics and  chemistry. He also preps students for the ISEE,  SSAT, and SHSAT.

Julian van der Made, Tutor

Julian V.

Julian majored in Biochemistry and Computational Biology at Cornell. He is currently studying Environmental Engineering at Columbia, focusing on environmental biotechnology. His areas of expertise are chemistry, biology, and math, including SAT subject tests and APs.

Tutor - Keegan V

Keegan V.

Keegan graduated with a B.A. in Classics from Columbia University, an M.Phil. in Classics from Cambridge University, and an M.A. in Classics from Princeton University, where he is also a Ph.D. candidate. Keegan tutors Latin for middle- and high-school students, as well as Greco-Roman History and related enrichment courses.

Alex W.

Alex graduated cum laude from Duke University, majoring in English, and received an MFA in Writing from Columbia. He has extensive expertise with test prep, ranging from the ISEE to the LSAT and GMAT and including subject tests in biology, chemistry, history, and literature. He also tutors math and writing, and assists students with application essays.

Tutor - Hayley W.

Hayley W.

Hayley graduated from Columbia University, where she studied Race and Ethnic Studies and completed her pre-medical courses. She also has a B.S. in Nursing from SUNY Downstate Medical Center. She tutors in a variety of areas, including writing and grammar, elementary- through high-school math and sciences, and standardized test prep (SSAT, ISEE, SHSAT, SAT & ACT).

Theresa W.

Theresa graduated summa cum laude from UCLA with a B.A. in Theatre and holds a M.A in English Education from Columbia. An expert on all things middle school, Theresa also tutors for the SHSAT, SSAT, and ISEE exams.

Wei Y. - Tutor

Wei Y.

Wei received her B.A. in International Relations and Economics from Stanford and is also a graduate of Hunter College High School. She tutors economics, math of all levels, and the  SAT and ACT.