Natech is led by a diverse and talented team of executives who work around the world, with strong background in fintech and financial services industry, innovation and technology. Our leadership team is focused on executing Natech’s strategy to create long-term value and support growth worldwide.


Athanasios Navrozoglou

CEO & President

Entrepreneur, banking enthusiast and intrigued by Human-Machine interaction, Athanasios has worked in the Fintech space for over 15 years in multiple roles starting as an Application Developer to leading Natech, one of the few end-to-end total banking solution vendors in the world.

Formerly, he was also the founder of, an online booking engine and of 2 Evolution, an IT outsourcing company. Athanasios holds an MBA from Manchester University where he was the co-President of the entrepreneurship club. He also has a BEng in Computer Engineering & Informatics from the University of Patras. Thanasis was included in the Fortunegreece list of the 40 entepreuneurs under 40 who innovate and stand out in different sectors of the economy for 2021.


Dimitrios Navrozoglou

CFO & Vice President

Finance and numbers driven, Dimitrios is controlling and monitoring Natech’s financial figures, overhauling the budgeting and accounting operations. Leading the ERP division of the company he is actively involved in the analysis and the design of the Accounting products offerings. 

A sportsman by nature, he was an investor and member of the investors committee for AGSI basketball team. Dimitrios is an American College of Greece graduate (now ALBA).

Harris Antoniou

Vice President of Growth

The founder and CEO of Neptune Maritime Leasing Ltd where the Latsco Family Office is a major shareholder. He is a former CEO of Amsterdam Trade Bank, and he has held management positions at leading institutions for the last 25 years, having served as a CEO at the Department of Energy, Freight and Transport as well as at the AMCI group with investments in raw materials, goods and shipping and as a member of the Management Team of ABN AMRO.

Recently, as a partner and board member of Advent Technologies Inc., he contributed to the raising of private equities and the listing of the company on the Nasdaq.

George Lekkas

Board Member

Graduate of the Department of Business Administration and Management of the University of Macedonia. George has been working in the field of Accounting and Financial Advisory for the last 6 years, providing accounting and consulting services to companies of all types, specializing in Societes Anonymes. A Marathon runner and technology lover.


Nektarios Liolios

Nektarios Liolios is a FinTech veteran, Corporate Innovation master and Mental Health advocate. Over the last 10 years, Nektarios has worked closely with hundreds of entrepreneurs and early-stage businesses and corporate innovation teams. He co-founded Startupbootcamp FinTech to address the relationship between corporates, startups and investors in London, New York, Singapore, Mumbai, Mexico City, Dubai, Amsterdam and Melbourne. He also co-founded Rainmaking Innovation, the global cooperative of entrepreneurs and led SWIFT’s Innotribe Startup Challenge, the first global FinTech startup competition.


Driven by entrepreneurship, collaboration and the desire to change the industry, Nektarios is a global nomad, travel geek, and sneaker freaker. 

It is rare to find a core banking provider whose offering is as simple to implement, flexible and technologically sound as Natech’s. I am very excited to join the Natech advisory board and I am looking forward to working with Athanasios and his leadership team and helping Natech evolve, grow and go global.

I am very excited to be able to contribute to Natech’s latest growth phase. The executives and all the team have done an amazing job, and have developed  a truly flexible and reliable product that Ι believe will be able to dominate in its category.

Nondas Virvidakis

Managing Data & Analytics teams and products for over 15 years, in Greece and the USA. Most of Nondas’ career was in the financial services industry, and in 2017 he left Morgan Stanley to pursue the excitement of the startup world. He joined ActionIQ, a series C, Enterprise SaaS Martech company as VP or Professional Services. He is familiar with the challenges that startups face as they try to scale, both from a business and technology perspective, as well as the data & analytics landscape and market. He also is an advisory board member at GreekTech, a non-profit which empowers high-potential Greek startups to successfully enter the U.S. market, and is actively engaged with the Greek technology and startup community in New York.

Spiros Margaris

A venture capitalist, futurist, keynote speaker, board member and senior advisor and investor to several companies (fintech, insurtech, cybersecurity, healthcare and AI).
Two of the fintech startups he advised have become unicorns (with valuations of over $1 billion). He is the first international influencer to achieve ‘The Triple Crown’ ranking. He was ranked the No. 1 international FinTech, Blockchain and Artificial Intelligence (AI)/ influencer (2018 & 2020) by Onalytica. 

He was ranked the No. 1 international FinTech, Blockchain and Artificial Intelligence (AI) influencer (05/2018) by Onalytica. Spiros once again was ranked the No. 1 global FinTech influencer (02/2020) by Onalytica. He was ranked the No. 1 Finance Influencer (08/2020) by Refinitiv (Thomson Reuters). He was, for the third time, included in the ‘Top Artificial Intelligence Influencers to Follow’ (03/2021) by MarkTechPost. Spiros has been a keynote speaker at international FinTech and InsurTech conferences, and has also given a TEDxAcademy Talk. He published an AI white paper, ‘Machine learning in financial services: Changing the rules of the game’, for the enterprise software vendor SAP. He was the first non-IBM keynote speaker at the largest IBM event in Europe (10/2019), ‘2019 IBM Systems Technical University’.

I am delighted to join the Natech advisory board since they have proven over and over to their banking clients that they have the right experience and know-how to execute on the demanding financial technology future challenges. Their services range from modernizing clients’ banking core systems to help non-financial companies to embrace their embedded finance strategy. A great company that has what it takes to help others shine.

The superb suite of flexible, reliable and highly efficient solutions from Natech have proven to fit exactly the needs of an emerging but underserved segment of Banks and Financial institutions. I am delighted to join the Natech advisory board and to support the leadership team in strengthening Natech’s position as the Premier 360° Backbone Builder for Small Financial Institutions.

Mathias Schutz

An expert in business development and banking technology solutions. For over 20 years he heavily contributed to the growth story of Avaloq in various executive roles responsible for national and international business development as well as for major client project deliveries. 

Thanks to his hands-on expertise he knows the challenges of a banking technology scale-up by heart. Following the successful sale of Avaloq to NEC, Mathias decided to join SEBA Bank in autumn 2021 as the Head of Client and Technology Solutions. As a fully FINMA licenced Swiss Digital Assets Bank, SEBA is a pioneer in the financial industry and is the only smart bank providing a fully universal suite of regulated banking services in the emerging digital economy.