# Graduate Students PhD students are listed here. Other department members include, [**Faculty**](/faculty), [**Reseachers**](/researchers) and [**Staff**](/staff). Ph.D. Students ## Ph.D. Students [### Nicholas Barnfield ](/people/nicholas-barnfield-0) He/Him/His G-3 PhD ![Nicholas Barnfield](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/nicholas_barnfield_closeup.jpeg?itok=Pu3A9lBq) [### Ritwik Bhaduri ](/people/ritwik-bhaduri) Graduate Council Member (He / him / his) G-5 PhD ![Ritwik](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/ritwik_bhaduri.jpg?itok=QsAuIa_w) [### Yinpeng Cai ](/people/yinpeng-cai) Graduate Council Member He/him/his G-2 PhD ![Yinpeng Cai](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/2025-08/Yinpeng%20Cai.jpg?itok=xppjd5rn) [### Kyla Chasalow ](/people/kyla-chasalow) [kyla\_chasalow@g.harvard.edu](mailto:kyla_chasalow@g.harvard.edu)(She / her / hers) G-5+ PhD ![Kyla Chasalow](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/chasalowk.jpg?itok=SjBbv_NE) [### Nathan Cheng ](/people/nathan-cheng) Graduate Council Member (He / him / his) G-4 PhD ![Nathan Cheng](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/nathancheng.jpeg?itok=ruRcX-Nx) [### Alan Chung ](/people/alan-chung) Graduate Council Member (He / him / his) G-5 PhD ![Alan Chung](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/2022-08-05chunga.jpg?itok=5I8u0QiC) [### Nowell Closser ](/people/nowell-closser) (He / him / his) G-5 PhD ![Nowell Closser](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/2022-08-30clossern.jpg?itok=Azps7mLU) [### Nic Fishman ](/people/nic-fishman) (He/Him/His/They/Them/Theirs) G-3 PhD ![Nic Fishman](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/fishmann-resized-directory-9-8-2023.jpg?itok=K7-U2PCh) [### Johann Gaebler ](/people/johann-gaebler) Graduate Council Member (He / him / his) G-4 PhD ![Johann Gaebler](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/2022-08-08gaeblerj.jpg?itok=xYxQYgkg) [### Anvit Garg ](/people/anvit-garg) Graduate Council Member (He/Him/His) G-4 PhD ![Anvit Garg](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/anvit.jpg?itok=LdbUgvWd) [### Yuanchuan Guo ](/people/yuanchuan-guo) Graduate Council Member (He/Him/His) G-4 PhD ![Yuanchuan Guo](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/yuanchuan_guo.jpg?itok=x6eYek0X) [### Aniket Jain ](/people/aniket-jain) [aniket\_jain@g.harvard.edu](mailto:aniket_jain@g.harvard.edu)He/Him/His G-3 PhD ![Aniket Jain](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/2025-06/Aniket%20Jain_updated_headshot.jpg?itok=bPc3KwvS) [### Stephen Jiang ](/people/stephen-jiang) He/him/his G-2 PhD ![Stephen Jiang](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/2025-09/Stephen%20Jiang.png?itok=IAJy-7a1) [### Benedikt Koch ](/people/benedikt-koch) [benedikt\_koch@g.harvard.edu](mailto:benedikt_koch@g.harvard.edu)Graduate Council Member (He/Him/His) G-4 PhD ![Benedikt Koch](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/benedikt-resized.jpg?itok=9mSlRbWX) [### Somak Laha ](/people/somak-laha) (He/Him/His) G-4 PhD ![Somak Laha](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/lahas.jpg?itok=C98o-6yz) [### Zimeng Li ](/people/zimeng-li) G-3 PhD She/her/hers ![Zimeng Li](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/zimeng_li_cropped.jpg?itok=JFDSV7tZ) [### Annie Liang ](/people/annie-liang) She/her/hers G-2 PhD ![Annie Liang](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/2025-08/Annie%20Liang_cropped.png?itok=JDWDykVm) [### Yuzhou Lin ](/people/yuzhou-lin) Graduate Council Member (He / him / his) G-5 PhD ![Yuzhou Lin](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/yuzhou_lin.jpg?itok=i-faYhqO) [### Zidan Luo ](/people/zidan-luo) She/her/hers G-2 PhD ![Zidan Luo](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/2025-08/Zidan%20Luo_updated%20photo.png?itok=u6udSMnO) [### Matthew Esmaili Mallory ](/people/matthew-esmaili-mallory) (He / him / his) G-5 PhD ![Matthew Esmaili Mallory](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/2022-08-03highres-mallorym.png?itok=zExGxhrR) [### Sarah McDonald ](/people/sarah-mcdonald) (She / Her / Hers) G-4 PhD ![Sarah McDonald](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/mcdonalds.jpg?itok=aKpAwRGX) [### Philip W. O’Sullivan ](/people/philip-w-o%E2%80%99sullivan) (He / him / his) G-5 PhD ![Philip W. O’Sullivan](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/2022-07-19osullivanp.png?itok=uS2FrBfB) [### Benjamin Schiffer ](/people/benjamin-schiffer) (He / him / his) G-5 PhD ![Ben Schiffer](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/schifferb-resized-directory-9-7-2023.png?itok=INEP9TAw) [### Souhardya Sengupta ](/people/souhardya-sengupta) (He / him / his) G-5 PhD ![Souhardya Sengupta](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/souhardyasengupta-cropped-6-7-2024.jpg?itok=EBYqkVQv) [### Wenqi Shi ](/people/wenqi-shi) [wenqi\_shi@g.harvard.edu](mailto:wenqi_shi@g.harvard.edu)(She / Her / Hers) G-4 PhD ![Wenqi Shi](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/shiwenqi.jpg?itok=Ph9IxTUv) [### Théo Voldoire ](/people/theo-voldoire) He/Him/His G-3 PhD ![Théo Voldoire](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/theo_voldoire_photo.jpg?itok=eWn5dsgd) [### Longlin Wang ](/people/longlin-wang) [longlin\_wang@g.harvard.edu](mailto:longlin_wang@g.harvard.edu)G-5+ PhD ![Harvard Shield](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/2026-01/harvardshield_rgb_0_0.png?itok=Hk6FjCSt) [### Xiaodong Yang ](/people/xiaodong-yang) (He / him / his) G-5 PhD ![Xiaodong Yang](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/xiaodong_yang_photo-cropped2.jpg?itok=_IAtC10h) [### Haoyu Ye ](/people/haoyu-ye) [haoyu\_ye@g.harvard.edu](mailto:haoyu_ye@g.harvard.edu)Graduate Council Member G-5+ PhD ![Haoyu Ye](/sites/g/files/omnuum10116/files/styles/hwp_4_5__690x865/public/statistics-2/files/yehaoyu-08-22-2022.jpg?itok=Pk-5gIS-)