I am a medical doctor (MD) and a biostatistician with more than 15 years of work experience in all medical fields including the pharmaceutical industry. My basic education is medical doctor. In addition, I hold a Master of Biostatistics, Specialization in Medial Statistics and Informatic and a PhD of Biostatistics and Endocrinology. I have participated in more than 1000 different research projects in various medical fields and co-authored in 200 original articles with a cumulative impact factor above 400. My most frequent research activities were related to study design, sample size, statistical analysis, and writing reports and articles. Moreover, I have experience in teaching medical statistics and practical use of statistical software (SPSS, SAS, and R) in different medical problems.