Our faculty

Olga Serebrennikov 
MathAltitude Co-Founder and Principal
Olga Serebrennikov holds a B.S./M.S. in Electrical Engineering from Moscow Technical University and an M.S. in Electrical Engineering from WPI. She has extensive industry experience in the field of Telecommunications. Before opening her own school, Mrs. Serebrennikov taught mathematics for more than 10 years at WPI and at various after-school math programs in the Boston area.  In 2016, she was awarded the IEEE-USA K-12 Stem Literacy Educator-Engineer Partnership Award for collaboration supporting the development of K-12 student math skills and their application in engineering. Olga teaches classes at all levels.

Boris Serebrennikov 
MathAltitude Co-Founder
Boris Serebrennikov holds a B.S./M.S. in Mechanical Engineering from Moscow State University of Engineering and an M.S. in Mechanical and Plastics Engineering from University of Massachusetts Lowell. Mr. Serebrennikov is currently pursuing a Ph.D. degree in Engineering and works as a Principal Scientist. He teaches upper level math classes at MathAltitude.

Karen Chandler
Assistant Principal                       
Karen Chandler has over 30 years of experience in the field of education and office management. With a combination of teaching and administrative knowledge, she is heavily involved in the day-to-day operations of the school, interacting with students, teachers, and parents. Her strong organizational skills lend support to the flow of information in and out of the office. Karen coordinates the writing program.

Nathan Senecal
High School Curriculum Coordinator & Lead Teacher
Nathan Senecal earned a B.S. in Mathematics with a concentration in Pure Mathematics Summa Cum Laude from the University of Massachusetts Amherst.  He plays an instrumental role in the development of the high school curriculum, and teaches courses for students in grades 6-12.  He is an enthusiastic instructor with a keen teaching style. He loves helping students explore the unexpected results and connections in mathematics, and helping them develop both the mathematical rigor and the curiosity and creativity needed to tackle interesting problems.  As Math Club Coordinator, Nathan encourages students to think outside the box. His enthusiasm and love for math keeps students engaged in the learning process.

Dina Krotin
Lead Teacher
Dina Krotin earned degrees from Minsk State Pedagogical Institute in Minsk, Belarus, and Achva College in Be’er-Tuvia, Israel.  Before joining our MathAltitude team she had taught elementary and middle school math in Russia and Israel.  Dina has a passion for teaching and develops a special rapport with all of her students.  Her patient and skilled methods keep students challenged, and her constant encouragement gives students confidence to succeed. Dina teaches courses for students from Pre-K through grade 7.

Liubov Smirnova
Lead Teacher
Luba Smirnova earned an M.S. in Engineering from Saint Petersburg Polytechnic Institute and began her career working as an engineer at the National Research Institute of Telecommunications in Saint Petersburg, Russia.  Her passion and calling, however, was always teaching, and she taught middle and high school level math and physics for ten years at elite schools in Saint Petersburg.  Luba is a dedicated and talented teacher and loves to challenge her students.  There is a palpable energy in her classes. Luba recognizes the potential of each child, and enjoys bringing out the best in her students. They perform very well in math competitions. Luba teaches courses at all levels.

Ian Carlson
Math Instructor
Ian Carlson’s education and experiences have given him a very broad and diverse skill set. He has a  B.S. in Media, Culture & Communication from New York University, Steinhardt School of Culture, Education, and Human Development, but math has always been his passion, and he chose computer engineering and mathematics courses as electives in college. Coming from a family of educators, it was only natural for him to pursue a career in teaching.  Ian teaches primary and elementary classes, and also teaches chess.  He encourages his students to explore challenging topics, and enjoys sharing his knowledge and love of math with a new generation of students at MathAltitude. 

Michelle Grasso
Math Instructor
Michelle Grasso is a compassionate, committed, articulate educator with solid education and experience in mathematics, including a range of concepts from Algebra to Calculus.  She has a B.S. in Mathematics from the University of Illinois at Chicago, and an M.S. in Mathematics Education from the University of Wisconsin Oshkosh. Whether tutoring one-on-one or in a classroom setting, Michelle provides a caring, encouraging, and enthusiastic example for students resulting in a more enjoyable and productive learning experience.  Michelle teaches courses for junior high and high school students.

Sylvia Ngoc Ogle
Math Instructor
Sylvia Ogle is a persistent and driven educator with a strong background in Mathematics.  She has a B.S. in Mathematics from California State University in San Marcos; an M.A. in Education from Mathematics Azusa Pacific University, and she is fluent in Vietnamese.  Sylvia teaches high school math courses at Worcester Academy, and recently joined our staff at MathAltitude.  A firm believer that there is always more than one way to solve a problem, she enjoys guiding her students through the learning process, and is adept at differential learning methods to assure that all students are engaged. Sylvia teaches courses for junior high and high school students.

Sylvia Bullock
Math Instructor
Sylvia Bullock brings a varied mix of talents to our students at MathAltitude.  She has an M.S. in Mathematics from Worcester Polytechnic Institute, and an M.S. in Education (Biology and Science K-12) from the University of Virginia.  She has worked as a STEM Director, a Mathematics Editor, an Adjunct Math Instructor, and a Science and Math teacher. Her relaxed, unassuming manner immediately puts students at ease, and she effectively explains even the most complicated concepts so that students gain a solid understanding of the material. Sylvia teaches courses for high school students.

Karen Higgins
Writing Instructor
Karen Higgins has a Master of Arts in Teaching from Clark University and a Certificate of Advanced Graduate Study from the University of Massachusetts Lowell.   She taught Language Arts for over ten years in the public- school sector, and joins MathAltitide as an instructor in our Power of Writing Program.  Her passion for writing excites even the most reluctant writers in the classroom. She places great emphasis on the importance of being an effective communicator, and utilizes a diverse mix of literature and activities to explore an in-depth study of writing.