About Us

APEX is your AP Expert tutor!

APEX Tutoring specializes in providing quality math and science tutoring to high school and college students taking honors/advanced/AP math and science courses. Located in the Chicagoland area, our experts have taught and tutored AP classes for 20+ years at nationally ranked high schools and universities such as Northwestern and Johns
Hopkins.  Our teachers and tutors excel at their profession and understand how to explain tough ideas in easy-to- understand ways. We offer online, on-demand, and in-person math and science tutoring.

From Algebra to Multi-variable Calculus, from Biology to Physics…

…and everything in between, we are here to help you succeed in your most challenging courses. Let APEX’ Experts guide you to a deeper level of knowledge and understanding.


Our Tutors: Meet our expert AP, Honors, and college tutors, here to support you 24/7!

Tutors Dan APEX founder, Dan DuBrow, has taught and tutored advanced/AP math and science courses for the past 20+ years. He has taught and tutored students of all ages and ability levels. His expertise focuses on high school and college level courses in math and physics. Dan was nominated for the Golden Apple award in teaching and has consistently received “excellent” ratings in professional evaluations.  Dan holds a degree in Physics from the University of Illinois at Urbana-Champaign, and master’s degrees in Education from National Louis University and Montana State University.
Tutors Jen Jennifer Boller is a science teacher with 17 years of experience. Her areas of expertise are in the biological sciences and in chemistry. She has tutored extensively across science subjects from middle school to college level. She holds a degree in Biology from The Ohio State University, as well as a Masters in Education from OSU.
Tutors Pat Pat Marshall has taught and tutored Geometry and Physics for 15 years. Prior to his teaching career he worked as a civil engineer working on a variety of projects from roads to wastewater treatment plants. His areas of expertise are in all levels of physics ranging from Conceptual Physics to AP Physics C. Pat holds a Bachelor of Science Degree in Civil Engineering from the University of Illinois at Urbana-Champaign along with a Master’s Degree in Education from Benedictine University.
tutor Kasia Pomian has had a passion for teaching Physics and Mathematics for over 7 years. She has been teaching all levels: from middle school to university level courses. She is currently a teaching assistant at DePaul University, teaching introductory physics for first year physics
majors. Kasia is conducting Physics Education Research with a focus on metacognitive improvements for  underrepresented STEM majors including deaf and hard of hearing students and first generation students. Kasia holds a Bachelor of Science degree in Physics and a Bachelor of Arts degree in Spanish from Loyola University; she is also currently pursuing her Master of Science in Physics and Master of Arts in Education at DePaul University.
IMG_0960 David Schalek is a high school physics teacher with over 20 years of teaching and tutoring experience. David holds a Bachelor of Science degree in Physics and Astronomy from the University of Arizona, and a Master of Arts in Teaching degree in Physics from UCLA. David is a National Board Certified teacher, and he is also the recipient of the Petrick Award for Excellence in Education. David offers tutoring in all levels of high school physics and astronomy. David lives in Hermosa Beach, California.

We are looking for qualified expert tutors to join our team! Interested? Send us a message on the Contact page.

Schedule a Tutoring Session Today!