Roman Chereshnev

Roman Chereshnev has a diverse work experience in various data science and software development roles. Roman started their career as a Technician at OAO NPC "ELVIS" in 2013, where they worked until December 2013. In 2014, they joined OAO "TsNII "Kurs" as an Engineer-Programmer and worked there until February 2015. Roman then moved to MTS, where they worked as a Senior Software Developer from November 2017 to September 2020. After that, they joined AI Superior as a Senior Data Scientist, working from September 2020 to August 2021. Roman then worked as a Lead Data Scientist at OZON.ru from December 2021 to May 2022. Currently, they are working at Semrush as a Data Scientist from October 2022.

Roman Chereshnev completed their education in a chronological order as follows:

- From 2015 to 2018, they attended the Higher School of Economics where they pursued a Doctor of Philosophy (PhD) degree in Computer Science.

- Prior to that, they studied at the Moscow Institute of Electronics and Mathematics (Technical University) from 2010 to 2015. Roman obtained a degree called "Специалист" (Specialist) in the field of "Вычислительные машины, комплексы системы и сети" (Computing Machines, Complexes of Systems, and Networks).

In addition to their formal education, Roman Chereshnev has also obtained various certifications:

- In September 2022, they completed the following courses on Coursera: "Introduction to Recommender Systems: Non-Personalized and Content-Based," "Matrix Factorization and Advanced Techniques," "Nearest Neighbor Collaborative Filtering," and "Recommender Systems: Evaluation and Metrics."

- In October 2021, they completed the following courses on Coursera: "Convolutional Neural Networks," "Deep Learning Specialization," "Sequence Models," "Improving Deep Neural Networks: Hyperparameter Tuning, Regularization and Optimization," "Neural Networks and Deep Learning," and "Structuring Machine Learning Projects."

- Additionally, in December 2014, they completed the course "Introduction to Computational Arts" on Coursera, and in April 2013, they completed the course "Digital Signal Processing" on Coursera.

These certifications suggest that Roman Chereshnev has further developed their knowledge and skills in various areas related to computer science and machine learning.