Company Info for erybo.com | IcebreakerMembers
Posts always reflect my personal views!
Cofounder and Chief Cryptographer at MystenLabs. Ex-Facebook cryptography lead (Libra, Novi, WhatsApp) and previously head of research at R3 (UK) for the Corda blockchain and Conclave SGX. Before that, a CTO in two Security + Big Data companies, Erybo (CA) and Safemarket (GR).
Technical Summary and Achievements:
• Ranked in the Top20 StackOverflow users coming from Greece (on Java related questions) and 1st between recent Greek StackOverflow members joined StackOverflow after 2014.
• 20+ years in software engineering acting as a Team Leader and Lead Software Developer in various US, UK and Greek based entities. CTO for 6 years in a Big Data and Security oriented US-based startup.
• An active Cryptography and Big Data researcher, currently focusing on blockchain security and novel smart contracts, post quantum signatures and zero knowledge proofs.
• Have published more than 50 scientific papers, mainly known for my work in Zero Knowledge Proofs, EdDSA scheme, Base64 attacks, Proofs of solvency community standard lead, Timed-Release Encryption, Graphical Passwords, the Saferandom protocol and Key-Compromise attacks having proposed some of the fastest protocols in the field and analysed potential attack vectors.
• Have received a Best Paper award for 3 times, filed 8 US patents, ranked 1st in Computer Science MSc studies, received one of the most appreciated national scholarship programs (4 years in a row) and ranked on the Top3 in National IT Innovation Contests twice.
• Teaching Assistant for ~10 years at the University of Macedonia (Java, R, Cryptography, Chaos Theory, Statistics).
• Founder of the largest Big Data Meetup group in Athens, Greece, with a healthy and growing community of 2000+ members. 
Software Engineer with experience in high performance distributed systems, microservices, architecture, Apache Cassandra enthusiast and 10+ years of experience in JVM (Java & Kotlin).
Currently building innovative stuff for the #web3 space on MystenLabs, while previously having worked for Deliveroo (the definitive food company), Elsevier on the Mendeley product (the social network for scientists & researchers) and in various companies in Athens on both the start-up and corporate industry.
Although I am working on the business sector for more that 9 years, I keep my academic curiosity active on the areas of consensus protocols, state machine replication, blockchain & DLTs.
Achievements & Skills:
• Corda Certified Developer (DLT/blockchain platform)
• 3rd place award on the NBG Seeds National Innovation Contest.
• 4th place award in Fintech Crowdhackathon.
• 2 scientific publications on the area of Cryptography & Optical waveguides.
• Received 2 academic scholarships, during my MSc and BSc studies for exceptional performance after been ranked 1st on the corresponding semesters.
• Co-Founder of the Athens Big Data Meetup with a growing community of more than 700 members.
• Having lead the design & implementation of fault tolerant distributed services from the ground up. Having worked with & adopted big data technologies like Apache Cassandra (Datastax), Elasticsearch, HBase, Apache Spark. 
