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Alex Eleftheriadis is a Partner at Big Pi Ventures based in Athens, Greece. Before transitioning to venture capital, he served as a tenured Associate Professor of Electrical Engineering at Columbia University and co-founded Vidyo, a video conferencing technology company that raised over $170 million before its $40 million acquisition by Enghouse Systems in 2019. An IEEE Fellow holding more than 100 patents in video processing, he leverages his deep tech expertise to identify promising university spin-offs and B2B software startups. At Big Pi Ventures, he helped deploy a €48 million initial fund across 23 investments, yielding notable exits such as the sale of Accusonus to Meta. He currently co-manages the firm's recent €130 million growth fund targeting artificial intelligence, biotechnology, and blockchain enterprises. His career centers on bridging academic research with commercial scalability to build globally competitive technology companies.
Alex Eleftheriadis stands as a distinguished Partner at Big Pi Ventures, a prominent venture capital firm renowned for its commitment to fostering groundbreaking innovation. In his pivotal role, Alex is deeply involved in every stage of the investment lifecycle, from meticulous deal sourcing and rigorous due diligence to making strategic investment decisions and actively managing the firm's diverse portfolio. His expertise lies in identifying nascent companies with disruptive potential, guiding them through their critical early growth phases.
At Big Pi Ventures, Alex Eleftheriadis primarily focuses on early-stage technology investments. While his interests are broad, he has a keen eye for sectors poised for significant transformation. These often include enterprise software as a service (SaaS), artificial intelligence and machine learning applications, fintech innovations, deep tech solutions, and health technology advancements. He seeks out visionary founders who are building scalable solutions to complex problems, emphasizing market fit, technological differentiation, and strong execution capabilities.
Alex's career background is marked by a robust blend of strategic acumen and operational experience, which he leverages to great effect in the venture capital landscape. Prior to joining Big Pi Ventures, he honed his skills in various capacities, including roles that provided him with deep insights into startup operations, market analysis, and strategic growth. This diverse professional journey equipped him with a comprehensive understanding of the challenges and opportunities faced by early-stage companies, making him an invaluable advisor to Big Pi Ventures' portfolio companies. His educational foundation in relevant fields further underpins his analytical approach to investment.
Beyond capital injection, Alex Eleftheriadis is known for his hands-on approach to supporting founders. He provides strategic guidance, mentorship, and access to an extensive network, helping companies navigate product development, market expansion, and team building. While specific notable investments are part of Big Pi Ventures' confidential portfolio, Alex has been instrumental in identifying and backing promising ventures that have gone on to achieve significant milestones and contribute to the firm's overall success. His commitment to nurturing the next generation of technological leaders makes him a key figure in the venture capital ecosystem, driving innovation and creating lasting value for both founders and investors alike.
Alex Eleftheriadis is a Partner at Big Pi Ventures, a venture capital firm. He specializes in identifying and investing in early-stage technology companies.
Alex Eleftheriadis primarily invests in early-stage technology companies across various sectors, including SaaS, AI/ML, fintech, deep tech, and health technology.
Alex Eleftheriadis works as a Partner at Big Pi Ventures, a prominent venture capital firm.
