From January to December, 2003 Tatyana Andreyeva worked as the director of regional development in Millennium Distribution Group.
From January to December, 2004 – the director of distribution in Formoza company.
From February, 2005 to June, 2008 was the partners manager in Avaya company.
From July, 2008 to January, 2010 – the director of the department of work with partners in HP company. Being the director of the department of work with partners in HP Russia, IPG (periphery) and ESS (servers and storage systems) which cover the main part of business of HP was responsible for all distributor and partner channel (more than 700 companies) of the PSG directions (the personal systems).
In April, 2010 it is appointed to the position of the director of business development of Merlion company. The broad spectrum of the questions connected with business development of MERLION regarding maintenance of effective cooperation with the operating vendors (producers), signings of new distribution agreements and also development of the sales channel and strategic planning of development of distributor activity of MERLION company will enter Tatyana Andreyeva's tasks.
"The MERLION company continues to develop actively both in distributions, and in retail, service, system integration. So, for example, in December, 2009 we entered the market of distribution of home appliances, new to ourselves, – the CEO of MERLION Vyacheslav Simonenko told. – Tasks before management of the company for the next years cost global. And any development is always integrated to new tactical and strategic issues of cooperation with suppliers. These questions also enter an area of responsibility of Tatyana as directors of business development".
On November 14, 2013 the NETGEAR company announced Tatyana Andreyeva's appointment to a position of the Area director in Russia and the CIS. A priority task in NETGEAR for Tatyana is - gain of positions of the company in the market of corporate network equipment.