Markos Markakis

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Markos Markakis, PhD

I am an Applied Scientist at Amazon Web Services (AWS), where I work on data systems and semantic abstractions that help AI agents find, understand, and use data and organizational knowledge. More broadly, my research interests lie at the intersection of data systems and artificial intelligence, with a focus on building reliable, efficient, and usable infrastructure for AI applications.

I completed my PhD in Electrical Engineering and Computer Science in the Data Systems Group of the Computer Science and Artificial Intelligence Lab (CSAIL) at the Massachusetts Institute of Technology. During my time at MIT, I was advised by Prof. Tim Kraska and collaborated closely with Michael Cafarella and Prof. Samuel Madden. My doctoral research explored how machine learning and causal inference can be used to diagnose performance problems and automatically manage complex data systems.

Before MIT, I earned my Bachelor's of Science in Engineering (B.S.E.) in Electrical Engineering from Princeton University, alongside a certificate (minor) in Applications of Computing. For my undergraduate thesis, I had the honor of working with Prof. Margaret Martonosi on efficient memory consistency testing, as well as on formal verification for the DECADES project.

Open-Source Code


AutoSLO
Practical Latency SLOs on Cloud Data Warehouses

LOGos
From Logs to Causal Diagnosis of Large Systems (formerly "Sawmill")
ECCS
Interactive Causal Graph Verification
BRAD
Blueprinting the Cloud: Unifying and Automatically Optimizing Cloud Data Infrastructures
TreeLine
An Update-In-Place Key-Value Store for Modern Storage

News

2025/12/14 The Difficult Road of Repatriation [in Greek]
Ta Nea, Athens, Greece
2025/06/23 Building brain bridges to the Greek diaspora [Opinion]
Kathimerini, Athens, Greece
2025/06/10 Press coverage of the first Hellenic American Meeting of Early-Career Researchers [in Greek]
iefimerida, Athens, Greece
2024/12/10 CSAIL Alliances Student Spotlights: Markos Markakis
MIT CSAIL, Cambridge, MA, USA
2021/12/10 University Survival Guide: Markos Markakis '16 [in Greek]
Anatolia College Alumni News, Thessaloniki, Greece
2020/06/02 Graduates recognized for innovation, service and perseverance
Princeton University, Princeton, NJ, USA
2019/04/10 Student Profile by the Princeton Center for Statistics and Machine Learning
by Sharon Adarlo
Princeton University, Princeton, NJ, USA
2018/09/10 Markakis, a junior, honored at Opening Exercises
by Jamie Saxon
Princeton University, Princeton, NJ, USA
2016/12/15 Architectural ethics is focus of freshman seminar
by Laurie Zazenski
Princeton University, Princeton, NJ, USA
2016/06/17 Anatolia College students achieve excellent international college admission results [in Greek]
Anatolia College Press Release, Thessaloniki, Greece