Big Pi Ventures

Partner Emeritus at Big Pi and a pioneer of private equity and venture capital in Greece. Founding partner of Big Pi's first fund and still advising select portfolio companies. Recognized by the Hellenic Development Bank of Investments in 2023 with a lifetime achievement award. Brings extensive experience investing in startups and growth companies across diverse industries.

Partner at Big Pi with significant product and scaling experience in technology companies. Co-founder of Persado, a $100 million ARR AI company, and Bryq, and early employee and later CEO of Upstream. Holds multiple patents for AI solutions in marketing and HR technology, and has been an active angel investor and board member.

Partner at Big Pi and co-founder of Upstream, a software company that reached €230 million in revenue and 400+ employees before a majority acquisition by Actis in 2014. Also a shareholder and co-founder of Persado, an AI-generated marketing language company. Active early investor in multiple technology companies and board member at various economic and innovation organizations.

Partner at Big Pi with prior experience as a partner at Prime Ventures, a pan-European venture capital and growth equity fund. He has led investments in European technology companies ranging from €5–€30 million and served on boards of companies including Blueground, Holidu, and aiMotive. He holds degrees in Computer Engineering and Finance.

Partner at Big Pi's Growth fund with over 25 years of TMT deal-making experience and $100 billion in completed transactions. He held senior leadership positions at BNP Paribas and J.P. Morgan, leading M&A, capital raises, and IPOs across multiple jurisdictions. He holds a degree in Economics from LSE and an MBA from INSEAD.

Senior Principal at Big Pi with 15 years of investment banking and corporate finance experience. Previously Corporate Finance Director and Group CFO at FlexCar, a vehicle-as-a-service company. Started career at Société Générale's TMT team and spent seven years at Akira Partners, a boutique TMT investment bank.

Principal at Big Pi since January 2023, responsible for deal sourcing, evaluation, due diligence, and portfolio support. Previously a management consultant at McKinsey & Company working on strategy and operations across energy, banking, insurance, and telecommunications sectors. She holds a degree in Electrical and Computer Engineering with focus on deep learning.

Venture Partner at Big Pi, an entrepreneur and investor with a track record of building, scaling, and exiting technology companies across Europe. Co-founder of 321, a corporate venture studio, and president of Honey Lab, an advisory firm. Previously co-founded MyBestPro, a digital marketplace acquired by Vivendi in 2017.

Venture Partner at Big Pi with a track record in business development and strategy in the technology industry. Currently Head of Ecosystem for Matter Labs, the inventor of ZKsync, an Ethereum Layer 2 protocol. Previously held leadership positions at Microsoft and is an active angel investor in cryptocurrency and AI startups.

Office Manager at Big Pi ensuring day-to-day operations and team support. Brings experience from roles at Tsomokos S.A., MAN Hellas Truck & Bus, and Sioufas & Associates, specializing in executive support, event planning, and office management.

Investment Manager at Big Pi since May 2026, responsible for deal sourcing, evaluation, due diligence, and portfolio support. Previously at Apeiron Venture Capital driving deal sourcing and supporting portfolio companies. She brings finance and operating experience from fintech companies including Plum and Teya.

Investment Manager at Big Pi's Growth Fund since February 2026, bringing extensive deal sourcing and execution experience. Previously Vice President at Ionian Capital, an M&A advisory boutique, where he led transactions in technology, industrials, and food sectors. Earlier roles at PwC Greece and Piraeus Bank built expertise in deal making and financial modeling.

Operations & Platform Manager at Big Pi since June 2023, responsible for business operations and supporting portfolio companies through investor relations, talent, events, and community building. Previously served as Office Manager at Upstream managing operations for over 300 employees. She holds degrees in Political Science and International Relations.

Finance Director at Big Pi with extensive experience in finance function design and optimization. Previously worked at PwC Greece managing large-scale finance transformation projects for leading companies. She brings expertise in financial process design, technology implementation, and M&A support.