Curriculum Vitae

Apostolos Mavrogiannakis

PhD Candidate in Computer Science University of California, Santa Cruz Email: amavrogi [at] ucsc [dot] edu

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Education

PhD in Computer Science | 2022 - Present University of California, Santa Cruz

• Advisor: Prof. Ioannis Demertzis
• Research Focus: Privacy-preserving systems, applied cryptography, secure computation, confidential computing.

BS in Computer Science | 2016 - 2022 Computer Science Department, University of Crete

• Thesis: Graph Summarization with Prof. Ioannis G. Tollis.

Publications

Conference Papers

1. Apostolos Mavrogiannakis, Xian Wang, Ioannis Demertzis, Dimitrios Papadopoulos, Minos Garofalakis. “DISCO: Distributed and Scalable Oblivious Joins and Oblivious Primitives” ACM Symposium on Operating Systems Principles (SOSP), 2026. Nominated for Best Paper Award.

2. Apostolos Mavrogiannakis, Xian Wang, Ioannis Demertzis, Dimitrios Papadopoulos, Minos Garofalakis. “OBLIVIATOR: Oblivious Parallel Joins and other Operators in Shared Memory Environments” USENIX Security Symposium, 2025.

Research Experience

Graduate Student Researcher | Sep 2022 - Present UC Santa Cruz, Computer Science Department

• Conducting research on privacy-preserving systems and applied cryptography
• Published papers in top-tier security and systems conferences (USENIX Security, SOSP)

Teaching Experience

Teaching Assistant | UC Santa Cruz

• CSE 13S: Computer Systems and C Programming (Winter 2023, Fall 2023, Winter 2024, Spring 2024, Spring 2025, Spring 2026)
• CSE 101: Introduction to Data Structures and Algorithms (Fall 2024, Winter 2025, Fall 2026)
• CSE 108: Algorithmic Foundations of Cryptography (Spring 2023, Fall 2025)
• CSE 108C: Computing on Encrypted Data (Winter 2025, Winter 2026)

Honors & Awards

• CSE Excellent PhD Award, University of California, Santa Cruz, 2026
• Outstanding Academic Performance Scholarship, from Gerondelis Foundation, 2023

Professional Service

Journal Reviewing

• TDSC (2024)

Conference External Reviewer

• USENIX Security Symposium (2024, 2025, 2026)
• IEEE Symposium on Security and Privacy (2024, 2025, 2026)
• IEEE European Symposium on Security and Privacy (2026)
• ACM CCS (2023, 2024, 2026)
• NDSS (2024)
• SIGMOD (2024, 2025, 2026)
• VLDB (2026)
• ASIACCS (2023, 2024)
• ICDE (2024, 2025)

Talks & Presentations

1. “Zero-Leakage Query Processing,” NorCal DB 2026, October 2026.
2. “DISCO: Distributed and Scalable Oblivious Joins and Oblivious Primitives” ACM SOSP, Prague, Czechia, October 2026.
3. “DISCO: Distributed and Scalable Oblivious Joins and Oblivious Primitives” FORTH, Heraklion, Greece, September 2026.
4. “Scalable and Oblivious Database Systems,” Advancement to Candidacy, UC Santa Cruz, September 2025.
5. “OBLIVIATOR - Oblivious Parallel Joins and other Operators in Shared Memory Environments” USENIX Security, August 2025.
6. “Oblivious Parallel Joins and other operators” UC Santa Cruz Security Seminar, February 2025.

Last updated: October 2026