My current research interests roughly lie on the general field of AI Safety, with a particular focus the intersection of interpretable/explainable AI, representation learning, and human-in-the-loop AI. More specifically, I am interested in (1) the design of methods that can construct explanations for a model’s predictions in terms of high-level “concepts” and (2) the broad applications that these methods may have in scenarios where experts can interact with the models at test time (e.g., model steering, monitoring, test-time feedback, concept interventions).

Below you can find a list of some of my publications, including their respective venues, papers, code, and presentations (when applicable). For a possibly more up-to-date list, however, please refer to my Google Scholar profile.

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2026
Mixture of Concept Bottleneck Experts

Francesco De Santis, Gabriele Ciravegna, Giovanni De Felice, Arianna Casanova, Francesco Giannini, Michelangelo Diligenti, Johannes Schneider, Danilo Giordano, Mateo Espinosa Zarlenga, Pietro Barbiero

ICML 2026 · Spotlight

TL;DR

Existing concept-based models rely on a single, fixed formula from concepts to task, limiting their flexibility across users with different needs and capabilities. M-CBE avoids this by learning a mixture of expert models with different functional forms, each of which can be selected by the user at inference time.

2022
Concept Embedding Models: Beyond the Accuracy-Explainability Trade-Off

Mateo Espinosa Zarlenga*, Pietro Barbiero*, Gabriele Ciravegna, Giuseppe Marra, Francesco Giannini, Michelangelo Diligenti, Zohreh Shams, Frederic Precioso, Stefano Melacci, Adrian Weller, Pietro Lio, Mateja Jamnik

NeurIPS 2022

TL;DR

We introduce a new concept-based interpretable neural network that remains interpretable and intervenable even when the concept supervision is incomplete.

2020
Unveiling the Hardware and Software Implications of Microservices in Cloud and Edge Systems

Yu Gan, Yanqi Zhang, Dailun Cheng, Ankitha Shetty, Priyal Rathi, Nayan Katarki, Ariana Bruno, Justin Hu, Brian Ritchken, Brendon Jackson, Kelvin Hu, Meghna Pancholi, Yuan He, Brett Clancy, Chris Colen, Fukang Wen, Catherine Leung, Siyuan Wang, Leon Zaruvinsky, Mateo Espinosa Zarlenga, Rick Lin, Zhongling Liu, Jake Padilla, Christina Delimitrou

IEEE Micro 2020

TL;DR

We discuss what microservices do to hardware, systems design, and the assumptions behind both.

2019
An Open-Source Benchmark Suite for Microservices and Their Hardware-Software Implications for Cloud & Edge Systems

Yu Gan, Yanqi Zhang, Dailun Cheng, Ankitha Shetty, Priyal Rathi, Nayan Katarki, Ariana Bruno, Justin Hu, Brian Ritchken, Brendon Jackson, Kelvin Hu, Meghna Pancholi, Yuan He, Brett Clancy, Chris Colen, Fukang Wen, Catherine Leung, Siyuan Wang, Leon Zaruvinsky, Mateo Espinosa Zarlenga, Rick Lin, Zhongling Liu, Jake Padilla, Christina Delimitrou

ASPLOS 2019

TL;DR

We introduce DeathStarBench, an open suite of end-to-end microservice applications for benchmarking real systems.