Serge Kozlov possesses expertise in pre sales, telecommunications, integration, solution architecture, open source software and 48 more skills. Colleagues describe him as "Sergi is a very experienced pre-sales engineer, particularly strong in the OSS area. He is a very reliable colleague and has a great capacity of owning the tasks allocated to him - he never leaves a task half done and does not give up until it is solved according to his high standards. Sergii has a worm character, very pleasant to work with. A highly recommended individual!" and "Sergii holds quite strong experience in OSS. He knows very well the different solutions offered by the leading vendors in this market. Furthermore, Sergii understands well the market situation the operators currently run their business; he quickly identifies possibilities of improving customers OSS architecture and processes and comes across with profound solution. Last but not least, he demonstrates also wide knowledge in the implementation approach for OSS projects. Sergii consistently delivers very good results, even under high workload. Alltogether this makes him a very knowledgeable colleague who is very much appreciated as well as real team player by his peers."