Academic Faculty


Dr. Kevin Wang


 Dr. Kevin Wang, Areteem Institute Director as well as Math  Zoom Academy founding Director and Head Coach since  2006. 

 Dr. Kevin Wang is a former China Team member for the  International Olympiad. Dr. Wang was the top scorer in China in  AMC and AIME, and the winner of multiple national & international  contests in math and science in China. He holds a Ph.D. in  Mathematics from the Pennsylvania State University, and worked  as a faculty member in Mathematics at UC Irvine and UCLA. Dr.  Wang also has broad experiences in industry, working at  technology and media corporations such as Oracle and News Corp.  Dr. Wang was invited to teach at the MOSP (Mathematical Olympiad  Summer Program), an all-expense-paid program, and only the top  50 participants of the USAMO are chosen to attend. The 6 members  of the IMO team for USA are selected from MOSP participants. Dr.  Wang is a member of the AMC Advisory Board. Dr. Wang is also an  AMC test problem reviewer and USA(J)MO grader. He has coached  several students who eventually reached the very top of the major  competitions

 Back to Top



Dr. Harold Reiter


 Dr. Harold B. Reiter, University of North Carolina,  Charlotte. Math Zoom Summer Camp Faculty since 2007. 

 Dr. Harold B. Reiter is a Professor of Mathematics at the University  of North Carolina at Charlotte. He chaired the American  Mathematics Competitions AHSME Committee from 1993 to 2000.  He has been the state director of the AMC for North Carolina since  1979. 

 He currently serves on the College Board's College-Level  Examination Program (CLEP) Pre Calculus Mathematics Committee;  chairs the MAA's Edith May Sliffe Award Committee. He is a former  chair and member of the MATHCOUNTS Question Writing  Committee; former member of AIME and USAMO committees,  former chair of SAT II Test Development Committee with ETS;  holds numerous awards and honors, and has written articles for a  variety of publications. He holds a Ph.D. in Mathematics from  Clemson University.

 Back to Top



Dr. Paul Dreyer


 Dr. Paul Dreyer, RAND Corporation. Areteem Institute   Faculty and Math Zoom Year Round and Summer Camp  Faculty since 2007. 

 Dr. Paul Dreyer is a mathematician at the RAND Corporation in  Santa Monica, CA. At RAND, Dr. Dreyer uses mathematical  modeling techniques on a wide variety of military, energy, and  security issues. He received his Ph.D in mathematics from Rutgers  University in 2000, writing his dissertation on the applications of  graph theory to problems in facilities placement, modeling opinion  formulation in groups, and methods to speed up searches through  protein sequence databases. In addition to his work at RAND, Dr.  Dreyer serves as the Western Site Coordinator for the American  Regions Mathematics League, a national math contest for high  school students, and also serves on the question writing  committee. Dr. Dreyer has taught courses in the electrical  engineering department at UCLA and is also a professor at the  Pardee RAND Graduate School, teaching a mathematics course for  public policy students. Dr Dreyer also teaches at Math Zoom Year-  round programs. 

 Back to Top



John Lensmire

John Lensmire, Areteem Institute Curriculum and Instruction Director and faculty since 2015. 

John Lensmire is the Curriculum Director at Areteem Institute. He started as a camp counselor and instructor at Areteem's 2015 summer camp programs and quickly progressed to his current position where he teaches in Areteem's year-round class and camp programs and is mainly in charge of creating new curriculum materials to support these programs. Along with academic director Dr. Kevin Wang, John contributed to the publication of Areteem's first curriculum book this year in 2016, "Cracking the High School Math Competitions". John received his Masters of Arts in Mathematics at the University of California, Los Angeles (UCLA) in 2015 and his B.A in Mathematics with high distinction and a Minor in Computer Science at the University of Minnesota, Twin Cities in 2010. He was involved as a teaching graduate assistant in mathematics at all of the universities he studied at and also taught students who participated in the Los Angeles Math Circle during his graduate studies at UCLA. In 2011, he participated in a Symposium on Theoretical Aspects of Computer Science held in Dortmund, Germany. John also was in the 11th percentile in North America for the Lowell Putnam Mathematics Competition. 

Back to Top




Kelly Ren


Kelly Ren, Areteem Institute Director and Math Zoom Academy and Kiddie Techie faculty since 2007. 

Kelly Ren is the Program Director and Math Coach at Math Zoom Academy.  Ms. Ren has a B.S. degree in Physics, and a Master's Degree in Electrical Engineering from Pennsylvania State University. Her professional career began as a design engineer at IBM. Her visionary and leadership skills led her to positions in business and management in high tech, software and financial services companies. Ms. Ren discovered her passion in human development and education, after the birth of her daughter. Along with Dr. Wang, she started a technology based enrichment program called  Kiddie Techie, which rapidly grew to become a successful program in schools, school districts and community enrichment programs in Southern California. Along with her responsibilities as Program Director of Math Zoom Academy, Ms. Ren began teaching Math Zoom courses after substituting for Dr. Wang and realized her true calling in working with and engaging the interests of younger students. Her logical and clear instruction has resulted in both parents and students coming back for more.  Kelly was recently chosen as chair/judge for physics at the 2015 L.A. County Science and Engineering Fair.

 Back to Top




 Wilson Cheung

 Wilson Cheung, Instructor and Curriculum Specialist since  2016.

 Wilson Cheung is a wonderful addition to the Areteem faculty and  enjoys teaching our mathematics and technology courses year-  round and at our esteemed camp programs. He received his  Master’s in Mathematics at the University of South Carolina at  Columbia and his Bachelors in Mathematics at State University of  New York at Geneseo. He has many achievement including winning  a Speaker Award for the MAA Math Fest back in 2012 and writing  multiple in-depth papers on Number Theory. While at the State  University of New York, he was a Phi Mu Epsilon member,  participated in the Penn State Mass program and studied  mathematics in Budapest for a Semester Abroad. He has  participated in several advanced high school math competitions  including AIME, the USA MTS, the HMMT (Harvard-MIT Math  Tournament) and the PUMaC (Princeton University Mathematics  Competition) among many others and is proud to have such great  experiences to help him in teaching Areteem’s students.

  Back to Top



 David Reynoso

David Reynoso, Instructor and Curriculum Specialist since 2016.

David Reynoso is a dedicated educator and is happy to be teaching our newest Precalculus course to high school students and works as an academic specialist in developing our math curriculum. He received his Masters in Mathematics from the University of Maryland- College Park and his Bachelors in Mathematics from the University of Guanajuato. While at the University of Maryland, he was a Graduate Teaching Assistant and involved in many courses including teaching and tutoring in College Algebra and Trigonometry, Probability and Elementary Mathematical Models. As an undergraduate student, he was also a teaching assistant at the University of Guanajuato and tutored K-12 students online for three years in mathematics. In the Summer of 2010, he was involved in the summer research program in molecular biology held at the University of Texas at Dallas. Back in middle school he won the Silver medal twice in the Mexican Mathematical Olympiad. We hope that you have the opportunity to take his classes!     

 Back to Top






Dr. Darin Ragozzine





 Dr. Darin Ragozzine, Physicist and State Champion,  Areteem Institute faculty since 2011.

 Dr. Ragozzine is an astrophysicist studying planets around other  stars and icy bodies in the outer solar system. He received a Ph.D.  in Planetary Science from Caltech in 2009 and a BA in Physics and  Astrophysics from Harvard in 2004. He has extensive experience  as a teaching assistant and an instructor (online and in person) in a  wide variety of courses.  In high school, Darin placed in the top 200  in the nation several times in various mathematics competitions  and won multiple Utah state championships in mathematics and  extemporaneous speaking. When not researching, Darin enjoys  spending time with his family.

 Back to Top



Qin Jing




 Qin Jing, IMO Silver Medalist, Areteem Institute faculty  since 2011.

 Qin Jing studied mathematics at Peking University and Harvard  University. She won a silver medal in the 27th IMO as a member of  the Chinese team.  She taught at MOSP in 2004.  She is currently  teaching mathematics at Korea Advanced Institute of Science and  Technology.  She loves to share the beauty of mathematics with  her students.

 Back to Top




 Mihaela Vajiac




 Dr. Mihaela Vajiac, Areteem Institute Faculty since 2008 and  Math professor at Chapman University. 

 Dr. Vajiac has a long history of participating math contests in  middle school and high school, and won various prizes at the  National Contests and Olympiads in Mathematics in Romania.  Dr.  Vajiac has a PhD in Mathematics from Boston University,  specializing in Differential Geometry, Algebraic Topology, Algebraic  Geometry, Symplectic Geometry, Integrable Systems and  Geometric PDEs.

 Back to Top






David Zhu


 David Zhu, Jet Propulsion Laboratory, Areteem Institute  faculty since 2008.

 David is a senior member of the technical staff at Jet Propulsion  Laboratory and has been working at JPL on computer vision and  robotics for 15 years.  He did his undergraduate study in Electrical  Engineer at Caltech and participated in the Putnam Mathematical  Competitions, that he started to participate in his high school years.  He enjoys working on challenging math problems in his spare time.  He writes math problems and solutions and contribute to math  magazines.

 Back to Top




ShinnYih Huang


 ShinnYih Huang, Ph.D Candidate in Mathematics at Yale,  Areteem Institute faculty since 2013.

 Mr Huang is an exceptionally qualified professor with an  accomplished background in mathematics competition and a very  bright future. Mr. Huang was a Perfect Scorer, Gold and Silver  Medalist at International Math Olympiad (IMO). He was also in the  top 20 individuals in Putnam Exam (College math competition).  Currently he is a Ph.D. Candidate in Mathematics at Yale University.

 Back to Top





Dr. Yu-Wen Hsu



Dr. Yu-Wen Hsu, Areteem Institute faculty since 2013.

Dr. Yu-Wen Hsu has Ph.D. in Mathematics from Yale University. She experience in educational programs as a Counselor for Mathematical Olympiad Scholarships of Ministry of Education, Taiwan. Her specialties are in Geometry: Geometric Evolution Equation, Curve Shortening Flow, Ricci Flow.

Back to Top








Dr. Gergory Galperin



Dr. Gregory Galperin, Areteem Institute faculty since 2012.

Dr. Galperin has a Ph.D from the University of Moscow and a history of mathematical excellence. He was the former Deputy Leader of the USA IMO team. He is also a USAMO Committee member and a coordinator at the IMO. Dr. Galperin conducted the Moscow and Russian National Math Olympiads from 1970 to 1980. Currently he is a Professor of Mathematics at Eastern Illinois University.

Back to Top


Would You Like to Receive Our Newsletters? Sign up today for great discount offers!      Sign Up Now

Get In Touch

Areteem Main Office

  • Add: 15707 Rockfield Blvd, #110
  •         Irvine, CA 92618
  • Tel: 949-305-1705
  • Email:
  • Wechat ID: rosemother
  • Fax: 714-784-7838

Featured Teachers and Students


Areteem Main Office:  15707 Rockfield Blvd, #110, Irvine, CA 92618, Tel: 949-305-1705, Fax: 714-784-7838, WeChat: rosemother

We use cookies to improve our website. By continuing to use this website, you are giving consent to cookies being used. More details…