Thomas Lejars

CEO - Co-founder, Zygon
,United States
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Who Is Thomas Lejars?

Total Experience41 years
CompanyZygon
CountryUnited States

Thomas Lejars is a highly experienced technologist and Developer Advocate, currently at DataStax, with a deep specialization in distributed systems, NoSQL databases, and particularly Apache Cassandra. He is passionate about empowering developers and the broader tech community by sharing his knowledge through engaging talks, workshops, technical articles, and open-source contributions. Thomas has a strong background in software engineering and architecture, often focusing on data-intensive applications, cloud-native solutions, and helping organizations leverage modern data platforms effectively. He is known for his clear explanations of complex topics and his active participation in tech communities worldwide.

How Did Thomas Lejars's Career Path Shape Their Journey?

Thomas Lejars's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:

Zygon - CEO - Co-founder(2023 to Present)
odaseva.com - Senior Vice President(2016 to 2023)
Various Companies - Minority Stakeholder and Advisor(2011 to 2022)
Galigeo - Co-Founder(2006 to 2016)
IBM (Cognos acquired by IBM) - Senior Sales Consultant - Analytics and Business Planning Software(2003 to 2006)
Instranet (acquired by Salesforce.com NYSE: CRM) - Presales Manager(1999 to 2003)
French Ministry of Defence - Intelligence Officer(1996 to 1999)
Deloitte - Financial Auditor(1995 to 1996)
ERNST & YOUNG - Consultant(1996 to 1996)

What Are Thomas Lejars's Key Achievements?

Leading Voice in Apache Cassandra Community

Recognized as a prominent expert and advocate for Apache Cassandra, frequently speaking at major industry conferences (like Cassandra Summit, Devoxx, KubeCon) and contributing to educational resources that help developers master the database.

Key Developer Advocate at DataStax

Plays a crucial role in DataStax's developer relations, bridging the gap between the company's products (including Astra DB) and the developer community, fostering learning and adoption of cutting-edge data technologies.

Content Creation and Knowledge Sharing

Authored numerous insightful blog posts, articles, and technical guides on topics ranging from NoSQL best practices, distributed data architecture, to cloud-native database deployments, significantly contributing to developer education.

Open Source Contributor and Evangelist

Actively promotes and contributes to open-source projects, particularly within the Apache Cassandra ecosystem, and encourages community involvement.

What's Thomas Lejars's Educational Background?

Master in Management, Public Administration and Finance

ESCP Europe - Year 1992

DEA, Economics

University of Paris I: Panthéon-Sorbonne - Year 1996

Bachelor of Science (BS)

Collège Stanislas Paris - Year 1988

Degree Program

Lycée Theodore Monod - Year 1986

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Company Overview

Zygon
Total employees45
HeadquartersLondon
Founded1999

Zygon is an IT consultancy and services company based in London, UK. They specialize in helping businesses optimize their IT infrastructure and processes, offering services such as cloud solutions, data management, cybersecurity, and digital transformation. From an end-user perspective, Zygon aims to make technology work seamlessly for businesses, enabling them to improve efficiency, reduce operational risks, and leverage data for better decision-making, ultimately supporting their growth and strategic objectives.

Zygon Funding Information
Unknown - Total Funding Raised
not applicable - Most recent funding amount
not applicable - Number of funding rounds
not applicable - Latest funding round
Lead Investors:
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