My name is Constantine Firun and here I share my thoughts, model builds and interesting books I’ve read.

Here is my LinkedIn profile:

Constantine Firun
CEO at Voisi
Saint Petersburg, Russian Federation | Information Technology and Services

Project & business development manager with work experience at IT startups and government agencies.

Computer Science – knowledge of computer science algorithms and the way of their application;
Business Development – positive traction of past projects and companies;
Speech & Voice Recognition – rich-experience in technologies and their business applications;
IT Consulting – big experience in modern IT infrastructure;
External Relations – successful experience of working with partners from different companies in US and EMEA regions;

• English – Proficient (C1), Certificate in Advanced English (CAE);
• French – Intermediate (B1);
• Hebrew – Beginner (A1);
• Russian – Native (C1).

CEO (2014 - Present)
Privately Held, 2-10, Computer Software

Voisi is a technology company developing speech technology, distributed ledger systems (blockchain) and cryptographic solutions.
Leading product is VoisiCard – a full stack banking solution for Telcos. It provides interoperability between MNOs and raises ARPU offering user-friendly banking services for subscribers along with customer intelligence data for merchants.

And you can contact me via comments below or directly at