Marcin Grzesiak

- Is responsible for supporting Online Travel Agencies by representing and protecting customer needs within Sabre. - Facilitates the customers’ understanding of Sabre’s business, processes, products, and functionality. - Does optimization of EMEA Tier1 travel agencies to fully profit from air content proviced by Sabre GDS

- Is responsible for R&D of Comarch OSS Framework and Comarch Next Generation Service Assurance (NGSA) - Manages team of 30 employees (recruitment, activities planning, setting goal, monitoring and assessment), - Owns and manages department budget (profit and loss), - Cooperates with other departments (Neighboring R&Ds, Implementation, Consulting, Sales, Project Management Office, Controlling, Human Resources, Finance), - Focuses on constant organization improvement, - Spreads ideas among company

- Project management according to PMI standards – responsible for all 10 areas (Integration, Scope, Time, Cost, Quality, Human Resource, Communications, Risk, Procurement, Stakeholder), - Leading implementation team plus 4 development teams, - Cooperation with external departments (legal, procurement, quality assurance, Project Management Office).

Is responsible for R&D of Comarch OSS Framework and Comarch Next Generation Service Assurance (NGSA) - Manages team of 30 employees (recruitment, activities planning, setting goal, monitoring and assessment), - Owns and manages department budget (profit and loss), - Cooperates with other departments (Neighboring R&Ds, Implementation, Consulting, Sales, Project Management Office, Controlling, Human Resources, Finance), - Focuses on constant organization improvement, - Spreads ideas among company

- Client needs on-site analysis, defining scope of work with client, - Leading developers team (6 persons), - Controls the workstream in project scope, budget, schedule, quality and risk, - Does the Acceptance test with client, - Client on-site support during system rollout

- Managing group of developers - needs analysis, designing and development, - Leading project starting from cost estimation of offer, till post mortem analysis, - Responsible for preparing quality management plan, task scheduling, risk assessment. - Focused on SDH and PDH radio equipment, Specialize in analysis, designing and development of OSS in areas of Fault , Inventory , Configuration, Performance andSoftware Management - Testing, optimizing and tuning java components.

- Research and development of Operations Support Systems (OSS), - Analysis of SDH and PDH radio equipment and switching equipment, - Designing and development of mediation modules, - Analysis & design of interfaces to external systems including proprietary protocols, - Development of business rules in expert systems (event-driven programming), - Analysis and development of inventory data model and data base model, - Testing, optimizing and tuning java components.

- Full project lifecycle according to CMMI (Capability Maturity Model Integration) - Gathering data from equipment, - Design and implementation of Web-based system for graphical visualization of the laboratory room to simplify finding the resources (mainly Base Transceiver Station).