Hellenic Telecommunications Organisation
Company Employees
NIKOS SIDERIS
Key Account Manager @Cosmote
Verified
Nikos Sideris is a dedicated Key Account Manager at Cosmote, a leading telecommunications company in Greece. He is responsible for managing and nurturing the company's most important client accounts. His role involves building long-term relationships with key clients, understanding their specific needs, and ensuring they receive first-class service. Nikos has a proven track record of meeting and exceeding sales targets, demonstrating his strong business acumen and customer-centric approach. His expertise lies in account management, sales, customer service, and strategic planning.More...
Stavros Vasileiadis
Sales Strategy and Business Development
Verified
Throughout my career, I have maintained high performance standards within a diverse range of administrative functions. I have over 15 years’ experience working in hospitality and over 7 in sales and consulting, and I am enthusiastic and equipped to contribute to a company that can benefit from my knowledge. During my time in hospitality I have worked in several kinds of different environments like small neighborhood bars and restaurants to large summer destinations like Fire Island Pines Resort, NY, and high-end hotels like The Gansevoort Hotel Meatpacking and Bryant Park Hotel, NY. I have successfully developed and implemented sales strategies that have significantly increased company revenue. I have also excelled in business development, leading to the expansion of our client base and the establishment of new partnerships. I have demonstrated excellent leadership skills, managing a high-performing sales team, and consistently meeting and exceeding sales targets. My innovative thinking and strategic planning have been instrumental in driving business growth and profitability. Accustomed to fast-paced environments where deadlines are a priority and details are critical, I enjoy challenges and will work hard to achieve your objectives. I often work individually and with multiple teams to achieve certain results and hit specific goals. I manage a full sales and development cycle, and I also provide weekly training to junior engineers and sales reps to improve their skills or update them with the new details and trends of our industry. When needed, I take over a project, and I deal directly with the client as well as trying to make sure that we cross-sell with all other departments of the company. While at medical sales, green energy construction sales, and hospitality industry management, I worked closely with my directors in order to identify and manage their individual projects. Over the years I’ve developed an expertise in providing support to multiple teams and I am extremely enthusiastic to apply my knowleMore...
Diamantis Kirchantzoglou
Principal Software Engineer @Elastic
Verified
As a Principal Software Engineer at Elastic, Diamantis Kirchantzoglou has made significant contributions to the development and improvement of the company's software products. He has demonstrated exceptional skills in problem-solving, coding, and software design. His accomplishments include leading major projects, pioneering innovative solutions, and playing a key role in the successful delivery of high-quality software. He has also been instrumental in mentoring junior engineers, fostering a collaborative team environment, and driving the company's technological advancements.More...
Yiota Zioga
Chain Vendor Manager @efood | Delivery hero
Verified
πŸš€ Dynamic business pro πŸ“ˆ Results-driven communicator 🌍 Entrepreneurial & adaptableMore...