Team.

Sotiris Siagas,

Partner

Sotiris is responsible for the overall business strategy and operations of TECS Capital, with a dedicated focus on long-term value ... creation. He brings over two decades of experience in transformative technology and venture investments, combining entrepreneurial leadership with a proven investment track record across multiple technology sectors. His expertise extends to product development, innovative business models, and early-stage financing of high-potential startup teams. As co-founder of a VC-backed GIS company, Sotiris successfully directed financial and operational strategy, driving growth and investor value. In his subsequent role as Executive Vice President of a leading Greek business incubator, he managed a diverse portfolio of high-growth companies, supporting founders through critical stages of scaling and international expansion. He has consistently played a pivotal role in advancing innovation projects and supporting entrepreneurial ecosystems both in Greece and across Europe. Sotiris holds a BSc in Electrical and Computing Engineering from Aristotle University of Thessaloniki and an MBA from Imperial College Business School. His industry engagement includes serving on the board of the Association of ICT Companies in Northern Greece (SETPE). He is currently a jury member for the European Commission’s EIC Accelerator, evaluating and supporting breakthrough European ventures. He is fluent in Greek, English, and French.
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Antonis Ilias,

Partner

Antonis oversees the portfolio strategy at TECS Capital, focusing on accelerating growth and maximizing value across the firm’s investment portfolio. ... He leverages extensive experience in providing strategic support to startups, specializing in business planning, financial oversight, and scalable growth strategies. His approach combines pragmatic financial acumen with a deep understanding of early-stage business challenges, enabling startups to navigate critical growth phases effectively. In addition to his portfolio responsibilities, Antonis leads OK!Thess, a well-regarded startup accelerator dedicated to cultivating entrepreneurship and innovation within Thessaloniki’s dynamic ecosystem. Under his leadership, OK!Thess has become a pivotal platform for emerging companies, offering mentorship, resources, and strategic direction to accelerate their market entry and expansion. Antonis is pursuing a PhD at Cranfield University, UK, where his research explores venture capital dynamics, serial entrepreneurship, and the philosophical dimensions of entrepreneurial behavior, providing him with a unique interdisciplinary perspective on startup ecosystems and investment. He holds a BEng and Diploma in Spatial Planning and Development from Aristotle University of Thessaloniki, Greece, and an MSc in Banking and Finance from the University of Sussex, UK.
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Mariliz Kokorotsikou,

Partner

Mariliz is responsible for corporate partnerships and ESG strategy at TECS Capital, with a primary focus on strengthening pipeline development ... and expanding strategic networks within Athens. She brings over a decade of experience in management consulting, digital transformation, and innovation ecosystem development, with a proven track record of driving impactful collaborations across sectors. Throughout her career, Mariliz has supported more than 30 startups, providing training, funding guidance, and mentorship through a leading Greek startup accelerator. She has also designed and implemented strategies for innovation hubs and international partnerships, enhancing cross-border cooperation and ecosystem growth. Prior to joining TECS Capital, she led large-scale transformation initiatives for Fortune 500 global corporations and government agencies while working at a top-tier UK consultancy. Mariliz holds a BSc in Finance, an MSc in Healthcare Strategic Management from City University London, and an MBA from Politecnico di Milano. Fluent in English and Italian, she combines her strong international background with a dedicated focus on fostering sustainable growth and collaboration within the startup and innovation ecosystems.
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Gabriel Tavridis,

Executive Venture Partner

Gabriel is a seasoned product leader with extensive experience scaling enterprise software businesses at growth-stage and public companies. He has ... a proven track record of launching AI/ML-powered products and driving recurring revenue growth across SaaS, data platforms, observability, and developer tool sectors. His previous roles include senior product leadership positions at Adobe and Salesforce, as well as leading Go-to-Market (GtM) strategies at Appcelerator and Twin Prime, the latter culminating in a successful exit to Salesforce. Gabriel is also an active angel investor and advisor to early-stage ventures, offering strategic guidance on product development, organizational scaling, and market positioning. Gabriel holds an MBA from Stanford University. He is highly data-driven, with hands-on expertise in identifying market opportunities, defining user experiences, enabling sales and marketing teams, and communicating effectively with executive boards and analysts. He has demonstrated success in building product teams from the ground up and leading geographically distributed teams across Europe and Asia.
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