Mathematics Department

Nadejda Konstantinova

Department Chair / Math Teacher
n.konstantinova@acsbg.org
  • Master's degree in Mathematics and Computer Science – Sofia University "St. Kliment Ohridski"

Krista Kozhuharova

Math Teacher
k.kozhuharova@acsbg.org
  • Bachelor of Science in Mathematics and Informatics - Sofia University "St. Kliment Ohridski”

Nikolay Dimitrov

Math Teacher
n.dimitrov@acsbg.org
  • Bachelor's degree in Mathematics – Sofia University "St. Kliment Ohridski"

Dr. Katerina Velcheva

Teacher of Advanced Mathematics
k.velcheva@acsbg.org
  • Doctorate degree in Mathematics – Stanford University, USA

  • Bachelor's degree in Mathematics with a Minor in Economics – Massachusetts Institute of Technology, USA

Radka Gencheva

Math Teacher
r.gencheva@acsbg.org
  • Master's degree in Mathematics – Sofia University "St. Kliment Ohridski"

  • Professional Qualification: English and American Studies

Dr. Charilaos Xenodochidis

Math Teacher
ch.xenodochidis@acsbg.org
  • Doctorate degree in Biophysics – Medical University of Plovdiv, Bulgaria

  • Master's degree in Medical Radiation Physics and Technics – University of Plovdiv "Paisii Hilendarski", Bulgaria

  • Bachelor's degree in Physics and Mathematics – University of Plovdiv "Paisii Hilendarski", Bulgaria

  • Professional Qualification: Teacher in Physics and Mathematics

Mike Donald

Math Teacher
m.donald@acsbg.org
  • Master's degree in Teaching, Learning, and Curriculum Studies – Trent University, Peterborough, Canada

  • Bachelor's degree in Physics and Mathematics; Education – Trent University, Peterborough, Canada

Elka Kirilova

Math Teacher
e.kirilova@acsbg.org
  • Master's degree in Mathematics – Sofia University "St. Kliment Ohridski"

  • Professional Qualification: Math and Teaching & Computer Science

Ivan Stoykov

Math Teacher
i.stoykov@acsbg.org
  • Bachelor's degree in Mathematics – The American University in Bulgaria

  • Bachelor's degree in Journalism – The American University in Bulgaria

  • Professional Qualification: IB Teacher

Lachezar Stoykov

Math Teacher
l.stoykov@acsbg.org
  • Master of Science in Astronomy – Sofia University "St. Kliment Ohridski"

  • Bachelor of Science in Informatics – American University in Bulgaria

  • Bachelor of Arts in Journalism and Mass Communications – American University in Bulgaria

Milosveta Tsokova

Math Teacher
m.tsokova@acsbg.org
  • Bachelor's degree in Mathematics and Informatics – Sofia University "St. Kliment Ohridski"

Todor Pavlov

Math Teacher
t.pavlov@acsbg.org
  • Master's degree in Mathematics - University of Cambridge, UK

  • Bachelor's degree in Mathematics - University of Cambridge, UK

Milena Gancheva

Math Teacher Intern
m.gancheva@acsbg.org
  • Bachelor's degree in Applied Mathematics (ongoing) – Sofia University "St. Kliment Ohridski"

Aleksandra Dimitrova

Math Teacher
a.dimitrova@acsbg.org
  • Bachelor's degree in Mathematics (ongoing) – Sofia University "St. Kliment Ohridski"

Ramazan Yozgyur

Math Teacher
r.yozgyur@acsbg.org
  • Doctorate degree in Mathematics- University of Warsaw, Poland

  • Master's degree in Mathematics and Its Application- Central European University, Hungary

  • Bachelor's degree in Mathematics- Anadolu University, Turkey

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