Marius Hanganu

About Marius Hanganu

Marius Hanganu is a builder, software engineer and co-founder of Tremend, a Bucharest engineering company acquired by Publicis Groupe in 2022. He writes about AI agents, management in the age of AI and the digital euro.

In 2025 the European Central Bank selected Publicis Sapient and Tremend for framework agreements on two components of the digital euro: alias lookup, and the app and SDK.

At a glance

Role
Software engineer; co-founder, Tremend
Company
Tremend, part of Publicis Groupe since 2022
Founded
2005
Writes about
AI agents; management in the age of AI; the digital euro
Marius Hanganu

Timeline

  1. 2025

    Head of Engineering Europe, Publicis Sapient. Announces that the ECB chose Tremend for two of the five digital euro components.

  2. 2023

    Senior Vice President & Managing Director, Publicis Sapient. Opens the Iași office.

  3. 2022

    Sells Tremend, bootstrapped and founder-owned, to Publicis Groupe after nine months of talks, at about 650 engineers. Stays on as Managing Partner.

  4. 2020

    Tremend builds, with Microsoft, a free COVID-19 severity-scoring platform for the Matei Balș Institute. Finalist, with Cocan, in EY Entrepreneur Of The Year Romania.

  5. 2018

    Leads Tremend’s entry into the US through the acquisition of 648 Group in California.

  6. 2015

    President of Different Angle, the first IT&C cluster in Bucharest, linking universities and software companies.

  7. 2005

    Co-founds Tremend with Ioan Cocan in Bucharest, in November. The first clients are American.

  8. 2004

    First Silicon Valley immersion for Blazent Inc, then kicking off the local branch.

  9. 1998

    First job: a year writing a game engine in assembler. Later moves to financial software.

  10. 1996

    Starts Computer Science at the Faculty of Automatic Control and Computers, Politehnica Bucharest, where he meets Ioan Cocan.

  11. 1991

    Gets his first computer at 12 and learns to program by himself. From then on, his education is only in computer science and software schools.

Areas of work

Software engineering · AI agents · Management in the age of AI · Digital euro · Engineering leadership