Doug J.

Doug Joubert is an accredited elementary and middle school teacher, receiving his permanent teaching certificate from the State of Louisiana in June of 1982. Mr. Joubert has taught mostly in middle school in a self-contained classroom. Though he is credentialed to teach all subjects in grades 1-8, he considers middle school U.S. History, Math, Language Arts, and Literature his strongest subjects. From 1997 through 2024, he served in various capacities at Christian Brothers School, including the lead 5th grade teacher, tutoring students in methods to get “caught up” to the rigorous CBS advanced placement programs he taught; creating a program for students transitioning from elementary to middle school that emphasized study skills, note taking, organizational skills, and more; teaching project-based Computer Science the last ten years at CBS in addition to his Director of Technology responsibilities. Mr. Joubert truly believes in meeting his students where they are. He believes very strongly in the specific tenet of the founder of the Christian Brothers, John Baptist de La Salle, that in order to teach effectively, he must touch the hearts of his students. In his spare time, he likes making homemade bread and hanging out with his wife and son, especially when his son plays Minecraft.

Dao N.

Dr. Dao N. is a tenure-track Assistant Professor in the Department of Mathematics and Statistics at San Diego State University. His teaching philosophy centers on cultivating student enthusiasm and motivation, which he sees as essential to academic success.

Dao earned his Ph.D. in Mathematics from Wayne State University. His research interests include optimization, control theory, and data science, and he is currently writing a book on machine learning. He’s passionate about both the theoretical and applied sides of mathematics. Outside academia, he enjoys singing, playing instruments, hiking, cooking, swimming, and spending time with friends.

John S.

John S. is a fully licensed math teacher in California with five years of experience teaching middle school mathematics. A graduate of Marist College, John began his career on the southwest side of Oahu, Hawaii, where he also dedicated his time to coaching a variety of sports. Now a sixth-grade math teacher at Albert Einstein Academies in San Diego, he is excited to bring his passion for education and mentoring to students at Prep Academies. John believes in building strong relationships with his students and their families, and he applies his coaching philosophy to the classroom to help students succeed both inside and outside of their academic pursuits.

Alexis R.

Alexis is a certified teacher who loves helping kids increase their ability to achieve goals through learning. Born in Indiana, Alexis graduated with a psychology degree from Anderson University. She went on to pursue a master’s degree in Elementary Education from Western Governors University. She has taught second grade, fifth grade math and science, and STEM specials for Fulton and Paulding County. Alexis has years of experience working with students with ADHD and can provide strategies to develop focus. Alexis believes in collaborating with teachers and consistent building toward real world application to foster achievement and growth.

Alexis has also created two successful businesses: one an early learning childcare business; the other a non-profit helping kids with cancer. In her opinion, helping children helps families who help the world. During her free time, she loves spending time with her family, volunteering in the children’s ministry and writing her first YA novel.

RAHMI C.

Rahmi C. holds a Master of Science in Environmental Applied Science and Management, as well as a Bachelor of Science in Biomedical Sciences, both from Toronto Metropolitan University. Over the past three years, he’s taught more than 15 university courses, with an emphasis on subjects like first-year chemistry, biology, physics, and calculus, as well as lab-based and senior-level biomedical sciences courses. Throughout his time as a teaching assistant, Rahmi also supported exam preparation and proctoring, giving him a deep understanding of how to help students succeed at every level.

In addition to his university experience, Rahmi has tutored students from Grades 2 to 8, focusing on small group or one-on-one settings to give each student the attention they deserve. He regularly visited students’ schools, reviewed assignments in advance, and worked directly with their teachers to better understand their strengths and areas for improvement. His goal is always to build confidence, not just comprehension.

Outside of academics, Rahmi runs an international export business, which has sharpened his communication and problem-solving skills. He brings that same attention to detail and relationship-building to his tutoring style.

When he’s not working, Rahmi enjoys volleyball, gaming, and spending time with his two cats, Machu and Pichu — named after his bucket-list destination, Machu Picchu.

Thiago E.

Thiago E. is a Miami-based tutor with expertise in mathematics, science, and music. He speaks English, French, Spanish, and Portuguese, along with a few other languages due to growing up in an international household. He holds two Bachelor of Science degrees from the Georgia Institute of Technology—graduating with Highest Honors—and will complete his Master’s in Urban Environmental Management at Wageningen University & Research, ranked the world’s most sustainable university, at the end of this year. His teaching experience spans middle school to college with a range including working as a study-abroad instructor in France, and private viola teacher in Miami. Outside the classroom, he has performed at Carnegie Hall, the Sydney Opera House, and with orchestras worldwide. He now enjoys creating music for fun! Thiago combines deep subject knowledge, international experience, and a proven teaching record to help students excel in STEM and music.

Trey B.

Trey is a certified high school math teacher and tutor from New Orleans, specializing in everything from 6th grade math to Precalculus. Currently entering his fifth year as a high school educator, Trey has taught a variety of subjects, including Honors Geometry, Honors Precalculus, and Algebra 2. This will be his second year at Isidore Newman School. A proud graduate of Holy Cross School, Trey holds a Bachelor’s degree in Math Education from Xavier University of Louisiana and a Master’s of Science in Applied Mathematics from Elizabeth State University.

With several years of experience tutoring in both one-on-one and small group settings, Trey has helped undergraduate students during his time in graduate school and continues to support students outside the classroom. He has a deep love for mathematics and is enthusiastic about sharing that passion with the students he works with. His dedication to student success is evident as he enjoys seeing students grow in both their mathematical abilities and their self-confidence.

When he’s not teaching or tutoring, Trey is a basketball enthusiast and enjoys rollerblading. Trey believes that “Math isn’t just a subject; it’s the formula for success.” His approach to tutoring is not only to help students achieve academic success but also to make the learning process engaging and, dare we say, a little bit fun.

Cassandra M.

Cassandra M. discovered her passion for helping others learn while tutoring her younger siblings and family members. This early experience inspired her to pursue a Bachelor of Science in both Mathematics and Statistics at the University of Idaho. During her time at the university, Cassandra worked as a tutor for two years, supporting students across a variety of math and statistics courses. She is excited to work with learners of all levels, aiming to build both understanding and confidence so that students can truly enjoy math. Cassandra believes in tailoring her approach to each individual, creating a positive and engaging learning environment. In her free time, she loves spending time with family, watching movies, trying new restaurants, and playing pickleball!

Franco L-B

A specialist in physics education, Franco holds a Master’s degree in Physics Education from Concordia University (CGPA 4.15/4.30) and an Honours B.Sc. in Physics with a Minor in Computer Science from McGill University (CGPA 3.99/4.00). He has over a decade of experience teaching and tutoring science, physics, and mathematics to high school and CEGEP students in both English and French.

From 2020 to 2025, Franco taught physics and mathematics in the International Baccalaureate (IB) Diploma Programme in Japan. He developed and delivered engaging lessons grounded in research-based pedagogy, guided numerous student research projects, and led interdisciplinary science initiatives. His students consistently achieved results above the IB world average, and he received his school’s Top Teacher Award in 2023.

Franco’s expertise is reinforced by extensive professional development in physics and mathematics education, including training in equity, diversity, and inclusion in STEM and a teaching mini-certificate from SALTISE on pedagogical design and active learning strategies. His Master’s research on innovative physics laboratory instruction has been published in peer-reviewed journals and presented at international conferences.

Fluent in English and proficient in French and Japanese, Franco combines active learning techniques with structured practice to help students strengthen problem-solving skills, deepen conceptual understanding, and develop a lasting appreciation for science and mathematics.

Seth B.

Seth recently completed his Master of Public Policy degree from McGill University and holds a Bachelor of Science in Chemical Engineering from the University of Alberta. With a strong foundation in both STEM and the social sciences, he brings an interdisciplinary perspective to his teaching.

His approach to learning is inspired by his motivation to connect theory and learning from the classroom to real-world problems and situations to make learning both engaging and relevant. Seth is comfortable teaching elementary and high-school subjects with particular expertise in chemistry, physics, mathematics, social studies, and the general sciences.

His teaching philosophy focuses on fostering a supportive and motivating learning environment where students can learn to take initiative, think critically, and develop a genuine pride in their learning. He hopes to equip students with the proper skills to both excel academically and prepare for success beyond the classroom.