I'm mathematician by education with master's degree in applied mathematics. My experience in IT covers database applications, web-based, cloud software, and mobile apps development. I manage software development teams and companies for 20 years, all in multinational environment, communicating key messages at different levels of the organization and for stakeholders from different communities, with different priorities and responsibilities. Some facts with figures:• have established standards of e-marketing, user interface design, company identity to market company portfolio with 100+ Android apps;• successfully led integration projects involving multiple software suppliers from multiple countries: the web system works 24x7 servicing 30K users online with 150 transactions a second;• my mathematical background was a contribution to algorithms design resulted in multi-million savings for our customers;• have extended expertise in heavy loaded high-volume database application development: was able to speed up transaction processing by factor of 1000+ via algorithms refactoring;• have deep insight into full-stack development: run 4 profitable websites developed from scratch by myself.