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Our Team

Our Founders

Richard Rusczyk

Art of Problem Solving was founded by Richard Rusczyk in 2003 to create interactive educational opportunities for avid math students. Richard is the author or a co-author of 7 AoPS textbooks and a past Director of the USA Mathematical Talent Search. He was a participant in National MATHCOUNTS, a three-time participant in the Math Olympiad Summer Program, and a USA Mathematical Olympiad winner (1989). He received the World Federation of National Mathematics Competitions Paul Erdös Award in 2014. He graduated from Princeton University in 1993, and worked as a bond trader for D.E. Shaw & Company for four years. AoPS marks Richard's return to his vocation - educating motivated students.

Glen Dawson

Glen Dawson is the National Director of AoPS Academy. In 2014, Glen founded a learning center in Morrisville, North Carolina, that two years later became the first AoPS Academy campus. He has experience as a college math professor, statistician, and expert SAS programmer. He has been a professional math tutor for many years, and specializes in training academically-advanced and high-performing math students. Glen is a graduate of Duke University and holds a graduate degree in statistics from Boston University.

David Patrick

Dave joined AoPS in 2004. He is the author or a co-author of 4 AoPS textbooks. Dave earned the sole perfect score on the American High School Mathematics Examination (AHSME) in 1988 and was a USA Mathematical Olympiad winner that year. He attended the Research Science Institute (RSI) in 1987, and the Math Olympiad Summer Program in 1988, where he first met fellow student Richard Rusczyk. He also finished in the top 10 on the Putnam exam in 1991. Dave graduated from Carnegie Mellon in 1992 with a BS in Mathematics/Computer Science and an MS in Mathematics. He went on to earn his Ph.D. in mathematics from MIT in 1997. He was an acting Assistant Professor at the University of Washington from 1997 to 2001. Dave is originally from Western New York and is an alumnus of the SUNY Buffalo Gifted Math Program.

Management Staff

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Mark Smith - Campus Director

Mark Smith - Campus Director

Mark is the Campus Director for AoPS Academy Dallas-Frisco/Plano. He holds a BS in mathematics from the University of Houston at Victoria and an ME in educational leadership and administration from the University of Massachusetts Lowell. He has worked at schools in the US, China, Hong Kong, and Jordan, teaching a broad range of rigorous math and computer science courses and leading both mathematics and technology departments. Mark enjoys sharing his passion for math and technology through active, student-centered, and inquiry-based pedagogy. In his spare time, Mark likes to tinker: on his computer with web design, in his workshop with tools, and making music with various instruments.

Jessica Seekamp - Associate Director

Jessica Seekamp - Associate Director

Jessica is an Associate Director at AoPS Academy Frisco. She sees math as a record of human creativity and perseverance and loves sharing this view with her students. Jessica holds a BS in applied math from the University of Texas at Dallas and formerly served as a high school Math Department Chair, where she wrote curriculum and taught everything from middle school math to AP Calculus. As a teacher, she wants her students to think deeply as they discuss math, to be creative as they approach problems, and to appreciate the beauty of mathematics. Outside the classroom, you can find Jessica running ultramarathons or climbing mountains in Colorado.

Rhonesha Simmons - Associate Director

Rhonesha Simmons - Associate Director

Rhonesha is an Associate Director at AoPS Academy Frisco/Plano. She holds an MEd in elementary education from Texas State University and enjoys mentoring and building relationships with children. Rhonesha has worked as an elementary teacher and team leader. Additionally, she spent nearly 8 years in K-12 assessment where she developed language arts standardized tests and was a content lead on several assessment programs. Rhonesha wants students to embrace reading and writing and not think of them as a chore. When she’s not teaching, you might find her exploring Dallas, spending time with family and friends, and possibly knitting a scarf.

Instructors

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Kari Atchison

Kari Atchison

Kari has been teaching English language arts for seven years and works to encourage her students’ creativity and critical thinking. She graduated from Texas A&M University in 2010. Kari especially cares about motivating students to achieve their goals. She lives in Dallas with her dog, King. Outside the classroom, Kari loves traveling, reading, and eating as much delicious food as she can!

Peter Farrell

Peter Farrell

Peter enjoys teaching his students how the math topics they’re learning get used every day in the real world. He has taught and tutored math for nearly fifteen years, including two years with the Peace Corps in East Africa, where he taught math and English at a community school on Mount Kenya. Peter earned his Bachelor’s degree in math from Merrimack College. His passion is digging into the math behind games, puzzles, computer art, and Big Data. His most recent book, Math Adventures with Python, was published in January 2019 by No Starch Press.

Michael Halstead

Michael Halstead

Michael earned his BS in mathematics from Wayne State University and worked in risk management and quality management in the finance industry before becoming a high school math teacher. He finds teaching math to be a rewarding endeavor and enjoys showing his students the beautiful ways that math can describe reality. In his spare time, Michael enjoys hiking, camping, and running.

Tianbao Hao

Tianbao Hao

Tianbao enjoys teaching math to students and showing them how math can be leveraged in everyday life. He holds advanced degrees in math and computer science, and works as a statistician/data scientist, building models that help companies make decisions. In his spare time, Tianbao’s hobbies include listening to classical music, reading about science, math, and AI, and solving math competition problems.

Andrea Hitefield

Andrea Hitefield

Andrea finds it fascinating that the 26 letters of the English alphabet can encode ideas that change people’s lives or even transform an entire culture. She holds a Master’s degree in media and communication, has taught AP Rhetoric and English literature, and also works in non-profit communications. Andrea loves teaching gifted learners and helping her students discover the power of words! Her hobbies include drinking tea on cozy rainy days.

Gina Mumford

Gina Mumford

Gina is passionate about math and loves sharing the subject with her students. She earned her BA in economics and finance from the University of Texas at Dallas and has taught in Plano ISD and Frisco ISD for almost thirty years. Gina lives in Frisco with her husband and their dog, Vin, and enjoys solving puzzles and playing volleyball.

Christina Ondrey

Christina Ondrey

Christina enjoys helping her students explore literature while they work to understand and interpret what they’re reading. She teaches upper elementary reading and language arts with Dallas ISD and earned her BA in political science from Texas A & M University–Corpus Christi. Christina lives in Richardson with her son, Christian, and their dog, Belle. When she isn’t teaching, Christina enjoys cheering on the Astros, finding new books to share with her students, and spending time with family.

Mattie Oveross

Mattie Oveross

Math instructor Mattie is currently working on her PhD in educational psychology at the University of North Texas, where she focuses on gifted and talented education. She is interested in creativity, curriculum, and preschool-age gifted students, as well as other topics in the field of gifted education. Previously, Mattie served as the Curriculum Director for a small K-12 private school in North Texas, teaching AP Statistics, research, and pre-algebra. Her work has been published in Gifted Child Quarterly and the Journal of Research in Early Childhood Education.

Priya Rajan

Priya Rajan

Priya loves helping her math students develop higher-order thinking skills! She holds a BE in electronics and communication and has worked as a software developer for more than 15 years. Priya lives in Plano with her very supportive husband and their two daughters.

David Steen

David Steen

David teaches AP Physics and AP Chemistry and chairs the science department at a local private school. He loves helping his students use math to understand the universe. David earned his BA in zoology from the University of Texas at Austin. In his spare time, he enjoys reading, being outdoors with his wife and their two kids, and participating in anything sports-related—including refereeing local soccer games.

"AoPS Academy has provided a wonderful opportunity for my children to advance and hone their knowledge and skills in mathematics.  My children have attended for a few years now, and they love it. They always look forward to attending class. I truly admire the hard work and dedication of all of the staff towards making AoPS Academy a center of excellence for math and language arts.  Both of my sons, one in high school and one in middle school, are ahead of their schoolmates in their math classes.  Not only that, they have both developed a love for this subject aided by the exposure they have received at AoPS Academy. They enjoy the interactive method of teaching, and look forward to their classes. The courses offered at AoPS Academy keep them engaged and challenged. The focus on high achieving students, along with their selective admissions standards, helps to maintain high standards. I have many business associates and friends around the United States, and have told them about AoPS Academy. They are so envious that we have such a wonderful opportunity for such rigorous instruction with the Art of Problem Solving world class curriculum. I look forward to the day when there will be an AoPS Academy in every major city in the country."
-Sumali S.
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