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Richard RusczykArt 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 DawsonIn 2014, Glen founded a learning center in Morrisville, North Carolina, that two years later became the first AoPS Academy campus. Glen served as the National Director of AoPS Academy until his retirement in 2019. 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 PatrickDave 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.
Dr. Roseanna Gossmann - Campus Director
Roseanna is the Campus Director of AoPS Academy Vienna. She has a PhD in mathematics from Tulane University in New Orleans, where she taught and tutored university students in math and statistics, and conducted mathematical research focusing on computational biofluid dynamics as part of a National Science Foundation Research Training Group. As an undergraduate, she studied mathematics, biology, and education, graduating summa cum laude from Mills College in Oakland, California. She is a passionate math educator and has taught high-school math and biology, guided young learners at various math circles, and facilitated STEM education events.
Sarah Tomsyck - Associate Director
Sarah is an Associate Director at AoPS Academy Vienna. She holds an MA in British literature from the University of Massachusetts and taught writing and literature courses at Indiana University for nearly a decade while completing doctoral coursework in Victorian studies. Sarah then moved to NoVA to share her passion for language arts with middle and high school students. She strives to foster curious, flexible thinkers and values the enthusiasm that young learners bring to the classroom. When Sarah isn’t reading or teaching, she enjoys spending time with her husband and their rescue dogs, bowling, and exploring local flea markets.
Dennis Loo - Associate Director
Dennis is an Associate Director at AoPS Academy Vienna. He grew up in Northern Virginia, where he graduated from TJ before going to Virginia Tech to study physics and math. Later, he got his MT in math education from the University of Virginia. He has had a varied and colorful job history, but the one constant is the 22 summers he has spent working at the Lancaster site of Johns Hopkins’ Center for Talented Youth summer camp. In his spare time, he enjoys coaching quizbowl, staffing quizbowl tournaments, and watching soccer.
Mariam is an educator who has worked with students from kindergarten through college, and currently teaches fifth grade math in Prince George’s County, Maryland as part of Teach For America. A career switcher, Mariam studied finance and business analytics in college and went on to earn a Master’s degree in economics. She is now working on her PhD in education, where she focuses on the relationship between mathematics and entrepreneurship.
Jessica is an experienced teacher who has worked with young students and adult learners all over the world. Her degree is in elementary and middle school education, and she has extensive experience in the areas of special needs, early childhood, and learning disabilities. Jessica has taught in private and public schools in Indiana, Hawaii, and Washington, D.C., as well as in India and in Kosovo, where she spent two years as a Peace Corps volunteer, teaching English and mentoring fellow teachers. Currently working on an MPS in public relations and corporate communications, Jessica also teaches in D.C. Outside of the classroom, Jessica speaks Albanian and enjoys long runs, reading, and learning about different cultures.
Dr. Hussein Awala
Hussein obtained a Bachelor’s degree in mathematics from the Lebanese University in 2010. After that he started his academic career at the American University of Beirut (AUB), where he was a graduate assistant at the university's tutoring center and ran problem-solving sessions. In 2012, Hussein graduated from AUB with a Master's degree in mathematics and moved on to start his Ph.D. program at Temple University in Philadelphia, PA. During his time at Temple University, Hussein honed his teaching skills through teaching multiple classes and gaining a Teaching in Higher Education Certificate from the Center for the Advancement of Teaching. In 2017, Hussein obtained his Ph.D. in Mathematics and started his Postdoctoral Fellow position at Wake Forest University in North Carolina, where he worked for one year. Currently, Hussein works as an Actuarial Analyst at GEICO.
Dr. Vargha Azad
Dr. Azad's mathematical talents led her to obtain a PhD in economics from George Washington University. She has taught at Johns Hopkins University and Potomac College, and also served as lead mathematics professor for Strayer University. Dr. Azad has taught mathematics, finance, statistics, and economics for over 20 years in the DC Metro Area, in addition to serving as a key financial advisor to the World Bank, where she has been involved in many important decisions impacting global finance.
Vanessa teaches language arts at AoPS Academy Vienna. She earned her JD from George Mason University and her BA in philosophy from Dartmouth College. She also tutors students from elementary school through college in liberal arts subjects from philosophy to writing and critical thinking. Vanessa is currently at work on a book designed to introduce formal logic and argumentation to elementary-school students. In her spare time, she plays competitive racquetball and renovates the 1800s farmhouse that she shares with her husband.
Felicia loves that teaching language arts lets her share her love of reading with her students. She holds a BA in English from Sacred Heart University, where she received the Gold Medal of Excellence in English literature, and an MEd from Boston College. Felicia has been teaching English to middle and highschool students for five years and enjoys helping talented learners develop into creative, critical thinkers. Outside the classroom, she enjoys spending time with animals—especially her two cats, Miley and Luna.
Language Arts instructor Katherine has a passion for teaching and learning. She holds a BS and an MAT from James Madison University, where she studied elementary education with a double minor in family studies. Katherine has taught elementary school and coached and coordinated tutoring services at the Fairfax County Government Center. She is now working in higher education as an admissions officer for the Jack Welch Online MBA while pursuing her own MBA. When Katherine isn’t teaching, she enjoys playing soccer, watching football, and learning about other cultures.
Dr. Paul Cote
Growing up, all Dr. Paul Cote wanted to do was talk, write, and think about his favorite books and movies. It drove his friends and family crazy. So he earned a doctorate in English and film studies from the University of Maryland, where he teaches and gets to talk and write about books and movies all the time! When he isn't teaching, Dr. Cote likes to spend time with his wife, listen to music, play video games, and hang out with his cat, Hobo. (The cat's fine with Dr. Cote talking about books and movies whenever he wants, just so long as he keeps giving her chin scritches and belly rubs).
Dr. Huaizhang Deng
Huaizhang earned an undergraduate degree in physics from Peking University, and went on to earn a PhD in particle physics from Yale University. After his love of mathematics was sparked in middle school, in high school he participated in both the Physics and Mathematics Olympiads, taking fourth place in Physics and eighth place in Mathematics for his home province. After graduating from Yale, Huaizhang worked as part of the particle physics experiment at the Sudbury Neutrino Observatory that received the Nobel Prize in Physics in 2015. Currently, he is a quantitative hedge fund manager who develops mathematically sophisticated investment strategies for pension funds and university endowments. Huaizhang is very proud that his mathematics knowledge helps ordinary pensioners enjoy their retirement and helps talented students fund their studies. He is excited to join AoPS Academy and hopes he can instill love and knowledge of mathematics to young students.
Dr. Hany Eldeib
Dr. Eldeib has always loved mathematics. He has extensive experience teaching students of all ages, from younger children up to college students at George Mason University where he has taught many classes. Dr. Eldeib has his PhD in systems engineering from the University of Virginia. He has used his extensive knowledge of mathematics to train many of his clients in the satellite communications industry, while at the same time teaching college courses and tutoring his own very talented children.
Language Arts instructor Nicole Inge earned her BA in English from the University of Mary Washington in Fredericksburg, Virginia. A creative writer, Nicole is currently enrolled in George Mason University’s MFA program, where she also serves as assistant poetry editor for the literary journal So to Speak. She has extensive tutoring and teaching experience and is passionate about helping students communicate their ideas clearly in writing. When Nicole isn’t writing, she enjoys running with her corgi, reading about the theory of folklore, and listening to podcasts.
Sol is a public school educator who has worked with students from kindergarten through middle school. She is currently teaching third grade science and social studies in Prince George's County, Maryland as part of Teach for America. Her bachelor's degree is in education sciences with a specialty in early childhood education. She is now working on her master’s in early childhood education from Johns Hopkins University.
Dr. Alessandra King
Alessandra is an astrophysicist by training, with a PhD in physics from the University of Milan. She has over 15 years of experience teaching mathematics at several local schools. She was Director of the Mathematics department at Green Hedges School in Vienna, VA for over 7 years, and currently teaches middle and high school level mathematics at Holton-Arms School in Bethesda.
Ms. Lee's BS is in chemistry and applied mathematics from The George Washington Unversity, where she was a JUMP Scholar (as part of the NSF–funded Joint Undergraduate Mathematics and Physics Scholars program). She also holds a Master’s degree in secondary education in mathematics, and is currently a math teacher at BASIS Washington, DC. Mary has extensive experience teaching and tutoring math for students from elementary school through college. She is bilingual in English and Korean.
Dr. Sanggoo P. Lee
Math instructor Dr. Sanggoo Lee graduated from the University of Arizona with a PhD in physics. He has worked as a scientist and optical engineer in Japan, Korea, and the USA and has spent the past decade teaching and tutoring math and physics to students of different ages. Sanggoo is just as excited about math contests and mathematical problem solving as the bright students at AoPS Academy! When he isn’t teaching, Sanggoo loves to solve math and physics problems and watch educational TV shows.
Laura Champe Mitchell
Laura is a lifetime educator, having worked with and taught all ages -- preschoolers to high school to college to adult professionals. She is currently a high school teacher with Fairfax County Public Schools, and her past roles include being a teacher and program developer for the Close Up Foundation, serving as an adjunct professor at American University and George Mason University, and being Head of School for a private, progressive school. She owns two companies - a product manufacturing company and a business consulting firm. She has specific expertise working with gifted and special needs learners, and is particularly passionate about creating an immersive, fun, and connected classroom. She loves to inspire her students to make connections between Language Arts and their everyday lives and future careers. In her free time, Laura is an avid reader, TV watcher, and board game player who also loves to spend as much time at the beach as she can.
Math instructor Vanita Murali holds a Masters in astrophysics from the University of Delhi, in India. After a 25-year career in IT, she has embraced her passion for teaching. Vanita has taught and tutored math, physics, and chemistry to students from elementary through high school, and works as a substitute teacher in Fairfax County Public Schools. Outside the classroom, Vanita loves to bike, hike, kayak, play board games, and watch movies. She also enjoys playing with her pug, Anya, and making beds and blankets for local animal shelters.
Dr. Xueying Prawat
Math teacher Xueying has a PhD in curriculum, instruction, and teacher education from Michigan State University, where she focused on math education. She has taught math methods courses for elementary school teachers-in-training and mentored high school math teachers from all around the state of Michigan. After finishing her doctorate, Xueying trained elementary math teachers as part of a research project at the University of Michigan. She has also taught math to young learners of various ages, from upper elementary through high school. When she isn’t in the classroom, Xueying loves photography, traveling, and cooking.
Dr. Michelle Quigley
Dr. Quigley's expertise in mathematics has been a lifelong passion. She earned her PhD in physics from The Catholic University of America. Her impressive post-doctoral experience includes time spent with the department of Medical Physics at the University of Wisconsin and the department of Psychology at Georgetown University. She has extensive experience teaching students of all ages, from pre-school to young adults. Dr. Quigley is pleased to bring her breadth of knowledge to the classroom at AoPS Academy, where she enjoys sharing insights gained from her experience with astrophysics at NASA and her neuroscience research at the University of Texas.
Cezar received his BS in electrical and computer engineering from Cornell University in 2004. Having participated in math competitions throughout middle and high school, he fell in love with teaching math to bright students as a TA in college. He first discovered AoPS in 2013 and has been hooked on problem solving ever since. He's had a blast being involved with the AoPS Online classes and community as a student, a grader, and a course assistant. Cezar's other hobbies involve running long distances, playing lots of chess, and attempting to improvise jazz on his clarinet, all while being constantly entertained by his highly energetic six-year-old son.
Teresa Sievers started her career as an engineer before becoming a teacher. She joined the Air Force through the ROTC program while studying Aerospace Engineering at the University of Notre Dame. Her first assignment after college was testing satellites prior to launch at Cape Canaveral, Florida. After serving in the military, Teresa changed careers to pursue her passion for education. Over the past six years, she has taught high school math, physics, and engineering. Her engineering background carries over to her teaching; her favorite learning tool is applying math to real world scenarios, such as using sine waves to model length of day in different areas of the globe. When she isn't marveling at how math describes the universe, she enjoys watching the Great British Baking Show, drinking tea, and planning her next trip to the United Kingdom.
Language arts instructor Kristy believes in helping her students grow as learners and as people. She earned her Bachelor’s degree from Northern Arizona University and is currently pursuing an MEd in educational policy and leadership at American University. Kristy is also an AmeriCorps Alumna, having spent two years working with high-need students as part of City Year Sacramento. Outside the classroom, she likes to travel, read, and play board games with friends.
Amanda is currently pursuing an MFA in creative nonfiction at George Mason University, where she also teaches English composition. Her MFA thesis focuses on research on and personal narratives around epilepsy, targeting stigma and misunderstandings of epileptics throughout history while also focusing on inheritance and independence. Previously, Amanda has worked as a writing tutor at GMU and at Upstate New York's Finger Lakes Community College. She holds an AA from Finger Lakes and a BA from St. Lawrence University, and loves teaching writing.
Ben Stone is an experienced high school math teacher who has assisted in many of Art of Problem Solving Online classes, from Prealgebra to Calculus. He also has extensive experience teaching math competition classes. As a high-school student, Ben was a three-time AIME participant and placed second in the Oregon Invitational Math Tournament for high school students. Ben holds a BS in mathematics from Carnegie Mellon University and an MS in mathematics from the University of Washington. Ben also develops elementary-school math content for Art of Problem Solving's Beast Academy Online.
Dr. Aman Ullah
Dr. Ullah earned his PhD in computational biophysics from Ohio University and recently accepted a tenure-track position as a Research Assistant Professor at George Mason University. He has also worked as an Assistant Professor at Northern Virginia Community College. His work on cardiac functioning has led to cutting-edge research developing novel computational algorithms to efficiently solve the large-scale stochastic models that are used to study the heart. Dr. Ullah's research involves extensive use of Markov models, reaction-diffusion equations, bifurcation theory, and numerous other nonlinear dynamics tools.
Dr. Abraham Varghese
Abraham holds a PhD in applied mathematics from the University of Georgia. After graduating with an undergraduate degree in electronics and communication engineering, he briefly worked as a software engineer for Texas Instruments. He is a proponent of AoPS textbooks and has advocated AoPS way of learning math to the personal tutoring clients with whom he covers math, physics, and other engineering subjects. In addition to doing research, Abraham enjoys spending quality time with his wife and son, playing soccer, hiking, being involved with his church community, wrestling with past Olympiad problems, and chatting about new start-up ideas with his best buddy.
Dr. Vanessa Wood
Dr. Vanessa teaches language arts at AoPS Academy Vienna and loves learning and education. She holds a doctoral degree in educational leadership and cares about meeting each of her students at their own level, whether she’s working with preschoolers or graduate students. Vanessa also loves crafting words to communicate, whether that means creating essays, poems, or puzzles. She has published both her a scholarly book (her dissertation, in 2017), and a poetry collection (in 2013). Outside of teaching at AoPS Academy, Vanessa enjoys being a mom, singing at her church, and taking photographs.
Dr. Ting Armstrong
Dr. Armstrong has a strong passion for teaching math and has experienced the power of the AoPS curriculum first-hand—her own child attends AoPS Academy Vienna! She holds a Master's in finance from Johns Hopkins and a PhD in regional economics and policy from George Mason University. As a professor teaching quantitative methods, Dr. Armstrong is often invited to speak at colleges and businesses, and she has also had her research published in various academic journals.