Curriculum Vitae

Apostolos Mavrogiannakis

PhD Candidate in Computer Science University of California, Santa Cruz Email: amavrogiannakis [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.

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 conferences (USENIX Security)

Research Intern | AMD Mentor: Nathaniel McCallum

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)
• 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

Professional Service

Journal Reviewing

• TDSC (2024)

Conference External Reviewer

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

Talks & Presentations

1. “Scalable and Oblivious Database Systems,” Advancement to Candidacy, UC Santa Cruz, September 2025.
2. “OBLIVIATOR - Oblivious Parallel Joins and other Operators in Shared Memory Environments” USENIX Security, August 2025.
3. “Oblivious Parallel Joins and other operators” UC Santa Cruz Security Seminar, February 2025.

Last updated: October 2025