The University of Massachusetts Amherst

Academics

Doctoral Oral Exams for April 27-May 1, 2026

The graduate dean invites all graduate faculty to attend the final oral examinations for the doctoral candidates scheduled as follows:

Greg Gregory, Ph.D., Plant Biology, Monday, April 27, 10 a.m., LSL S610. Dissertation: “Determining the Diurnal Cues Regulating Secondary Cell Wall Thickening in Brachypodium Distachyon.” Samuel Hazen, chair.

Francesca Carpentiero, Ph.D., Animal Science, Monday, April 27, noon, LSL N610. Dissertation: “Cooperative Regulation of Reproductive Success by CaV3.2, TRPV3 and TRPM7 ion Channels in Mouse Oocytes and Eggs.” Pablo Visconti, chair.

Stefano Marchese, Ph.D., Music, Monday, April 27, noon, Bromery Center 152. Dissertation: “Circle Singing and the Social-Emotional Benefits of Participatory Music-Making: A Qualitative Exploration.” Lisa Lehmberg, chair.

Seth Thibado, Physics, Monday, April 27, 2 p.m., LGRT 419B and via Zoom. Dissertation: “Experimental Studies of Single and Double Beta Decays in Exo-200.” Andrea Pocar, chair.

Daniel Marew, Ph.D., Computer Science, Monday, April 27, 3 p.m., LGRC A215. Dissertation: “From Trajectory Optimization to Learning: Developing Controllers for Dynamic Legged Robots.” Donghyun Kim, chair.

Arisa Tajima, Ph.D., Computer Science, Tuesday, April 28, 9 a.m., CSL E400. Dissertation: “Advancing End-to-End Privacy in Machine Learning: Input, Output, and Beyond.” Amir Houmansadr, chair.

Junhui Yang, Ph.D., Mathematics, Tuesday, April 28, 9 a.m., LGRT 1681. Dissertation: “Statistical and Casual Robustness for Causal Null Hypothesis Tests Under Model Uncertainty.” Ted Westling, chair.

Annabelle Flores Bonilla, Ph.D., Psychological and Brain Sciences, Tuesday, April 28, 1 p.m., via Zoom. Dissertation: “Sex Differences in Myelin Remodeling Following Adolescent Alcohol Use.” Heather Richardson, chair.

Reagan Paras, Ph.D., Music, Tuesday, April 28, 1 p.m., Bromery Center 365. Dissertation: “Examining the Transformational Impact of Cross-Cultural Exchange on U.S. and Filipino Choral Directors.” Stephen Paparo, chair.

Cecilia Ferrando, Ph.D., Computer Science, Wednesday, April 29, 9 a.m., CSL E239. Dissertation: “Differentially Private Statistical Learning: Uncertainty Estimation and Utility Preservation.” Daniel Sheldon, chair.

Zhaolin Xue, Ph.D., Chemistry, Wednesday, April 29, 11 a.m., Goessman 153. Dissertation: “Programmable RNA Scaffolds for Synthetic Condensate Engineering in Living Cells.” Mingxu You, chair.

Luke Kipfer, Ph.D., Electrical and Computer Engineering, Wednesday, April 29, noon, KEB 309. Dissertation: “Wideband Low-Loss Radial Networks for Phased Arrays and Power Combining.” Marinos Vouvakis, chair.

Md Farhan Tasnim Oshim, Ph.D., Computer Science, Wednesday, April 29, noon, LGRC A311. Dissertation: “Towards High-Fidelity Motion Characterization Using Radar Vibrometry: Applications in Vital Sign Monitoring and Human-Object Interaction.” Tauhidur Rahman, chair.

Alexander Scarlatos, Ph.D., Computer Science, Wednesday, April 29, 3:30 p.m., CSL E400. Dissertation: “Towards Realistic Simulated Students: Aligning Language Models with Student Knowledge and Behavior.” Andrew Lin, chair.

LaStarr Hollie, Ph.D., Management, Thursday, April 30, 9 a.m., ISOM N330. Dissertation: “Understanding the Application and Experience of Race in Organizations.” Orlando Richard and Mzamo Mangaliso, Co-chairs.

Ana Uribe, Ph.D., Psychological and Brain Sciences, Thursday, April 30, 10 a.m., Tobin Hall 423. Dissertation: “Survivors’ Perspectives: Exploring Exposure to Nonphysical Intimate Partner Violence and Perceptions of Victimization.” Maria Galano, chair.

Alexandre Alves Santos, Ph.D., Hispanic Literature and Linguistics, Thursday, April 30, 11:30 a.m., Herter 301. Dissertation: “Oral Fluency and Lexical Knowledge in Heritage Brazilian Portuguese.” Luiz Amaral, chair.

Cheng-Han Li, Ph.D., Polymer Science and Engineering, Thursday, April 30, 12:30 p.m., Conte Polymer A110/A111. Dissertation: “Dynamics of Coacervate Gels.” M. Muthukumar, chair.

Banu Abdikadirova, Ph.D., Mechanical and Industrial Engineering, Friday, May 1, noon, LGRC A215. Dissertation: “Hip Exoskeleton for Gait Rehabilitation and Performance: Investigating Human Adaptation to Interventions applied by a Hip Exoskeleton.” Meghan Huber, chair.

Roman Sanchez, Ph.D., Anthropology, Friday, May 1, noon, via Zoom. Dissertation: “Nepantla Futures: Speculating Mexican American Studies for Transition in The Land of the Spirit Waters.” Amanda Walker Johnson, chair.

Dilruba Sofia, Ph.D., Mathematics, Friday, May 1, noon, LGRT 219 and via Zoom. Dissertation: “Mathematical Modeling of Tumor-Immune Microenvironments: Data-Driven Models of Cancer Progression Based on Immune Profiles.” Leili Shahriyari, chair.

Elise Barnett, Ph.D., Afro-American Studies, Friday, May 1, 1 p.m., via Zoom. Dissertation: “Speak of the (She)Devil: Ontologies of Death and the Female Life-Making Praxes in Folk-telling of The Bahamas.” Yolanda Covington-Ward, chair.

David Casali, Ph.D., Music, Friday, May 1, 1 p.m., Bromery Center 419. Dissertation: “Remixing instruction and Accessibility in Elementary Music with Artificial Intelligence Tools.” Lisa Lehmberg, chair.