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Bilkent University

Master of Science in Electrical and Electronics Engineering

• Grade: 3.87/4.00
• Advisor: Prof. Dr. Süleyman Serdar Kozat
• Thesis topic: Ensemble learning and feature selection methods for time-series forecasting

Middle East Technical University

Bachelor of Science in Electrical and Electronics Engineering

• Grade: 3.60/4.00
• Advisor: Assoc. Prof. Dr. Elif Vural

Ankara Science High School

High School Diploma in Science

• Grade: 97.19/100

Türk Telekom (6G R&D Laboratory)

Research Engineer

• Conduct machine learning research on traffic forecasting and resource management for 5G-and-beyond networks.
• Develop transformer-based routing and selection methods: over expert models for speech-to-text, over input features for sequential regression, and over foundation time-series models for forecasting.

UCLA (Ozcan Research Group, Prof. Dr. Aydogan Ozcan)

Summer Intern

• Investigated diffusion models for biomedical image restoration, running an extensive experimental comparison of denoising and reconstruction pipelines.
• Contributed to the fabrication and testing of 3D-printed diffractive layers for an all-optical image denoiser, published in Light: Science & Applications.

METU (Assoc. Prof. Dr. Elif Vural's Research Group)

Undergraduate Researcher

• Co-authored a unified covering-number analysis of generalization and sample complexity for semi-supervised domain adaptation, and built the experimental program confirming its central prediction — quadratic growth in network depth and width — for both MMD-based and adversarial models.

TÜBİTAK SAGE (Image Processing Division)

Summer Intern

• Built a MATLAB tool for bad-pixel detection in infrared seeker calibration images, streamlining the division's manual inspection workflow.
• Explored image-stitching approaches for extending the division's robustness-analysis pipeline.

METU (Communication Networks Group, Prof. Dr. Elif Uysal)

Undergraduate Researcher

• Surveyed age-aware random access schemes for LoRa/LoRaWAN, and won 3rd place at METU EEE STAR undergraduate research program.
• Assisted in deploying a campus-wide LoRaWAN testbed at METU.

Hierarchical Ensemble-Based Feature Selection for Time Series Prediction

Karaca, H., Tumay, A., Koc, A.T., Kozat, S.S.

Soft Gradient Boosting with Learnable Feature Transforms for Sequential Regression

Karaca, H., Kozat, S.S.

All-Optical Image Denoising Using a Diffractive Visual Processor

Işıl, Ç., Gan, T., Ardic, F.O., Mentesoglu, K., Digani, J., Karaca, H., Chen, H., Li, J., Mengu, D., Jarrahi, M., Akşit, K., Ozcan, A.

An Experimental Study of the Sample Complexity of Domain Adaptation

Karaca, H., Akgul, O., Arslan, O.F., Aydemir, A.C., Aydin, F.S., Unsal, E.A., Vural, E.

A Unified Analysis of Generalization and Sample Complexity for Semi-Supervised Domain Adaptation

Vural, E., Karaca, H.

Bilkent University

Graduate Teaching Assistant

Lead laboratory sessions and recitations; grade reports and quizzes; review lab manuals.

• EEE321 Signals and Systems (Fall 2024)

  Coordinator: Prof. Dr. L. Onural

• EEE321 Signals and Systems (Spring 2025)

  Coordinator: Prof. Dr. B. Barshan

• EEE321 Signals and Systems (Fall 2025, Spring 2026, Fall 2026)

  Coordinator: Prof. Dr. H. Özaktaş

Middle East Technical University

Undergraduate Teaching Assistant

Assisted in preparing lecture notes and organized monthly recitation sessions.

• EE201 Circuit Theory I (Fall 2023)

  Coordinator: Prof. Dr. Ç. Candan

• EE224 Electromagnetic Theory (Spring 2024)

  Coordinator: Prof. Dr. G. Dural

Fellowships and Scholarships

• Fulbright Scholarship (selected as principal Ph.D. nominee for the 2027–28 cohort) (Sep 2026)
• ICT Authority of Türkiye (BTK) 5G and Beyond Graduate Research Fellowship (Oct 2025)
• Turkish National Science Foundation Graduate Scholarship (2210-A) (Sep 2024)
• Turkish National Science Foundation Grant for Scientific Activities Abroad (2224-D) (Jun 2023)
• Turkish National Science Foundation Undergraduate Scholarship for Science Olympiad medalists (2205) (Sep 2019)
• Presidential Merit Scholarship and İş Bank Golden Youth Award (for the top 100 and 30 in the YKS) (Sep 2019)

Research Awards

• 3rd Place, METU EEE STAR Undergraduate Research Competition, for “Towards Age-Aware LoRa” (Jun 2022)

National Examinations

• Ranked 24th of 2.6 million candidates (top 0.001%) in the National University Entrance Examination (YKS) (Jul 2019)
• Ranked 1st of 1.4 million candidates (perfect score) in the National High School Entrance Examination (TEOG) (Aug 2015)

Physics Olympiads

• Bronze Medal (16th nationwide), TÜBİTAK National Physics Olympiad (Feb 2018)
• Turkish national team, Asian Physics Olympiad 2017 (Russia) and European Physics Olympiad 2017 (Estonia) (May 2017)

Cycling

• Represented METU in intercollegiate road and mountain bike races.
• Organized weekly training rides and introductory sessions for newcomers.

Trekking and Camping

• Completed two long-distance treks (200 km in total) on the Ancient Lycian Way.
• Organized full-moon night hikes and camping trips in Cappadocia.

Student Council President

• Organized the annual spring festival and school-wide year-end events for three consecutive years.
• Founded a book society and led its weekly book review meetings.

Hobbies

• Reading and pour-over coffee brewing.