Jay Lang

EDUCATION

Johns Hopkins University - Berman Institute of Bioethics07/2026 – 05/2027

Master of Bioethics (MBE)- GPA to date: 4.0 // STEM GPA: 4.0

• Faden Endowment Scholarship for Bioethics Education recipient; awarded on merit amid a record applicant pool
• Pursuing a clinical ethics practicum, and a thesis on digital infrastructure as a determinant of health

Johns Hopkins University05/2025 – 08/2026

Post-Baccalaureate Premedical Program - GPA to date: 4.0 // STEM GPA: 4.0

• Completed all prerequisites for MD school while pursuing research at the medicine/technology junction
• Coursework beyond program requirements: Honors Organic Chemistry II, Electricity and Magnetism Laboratory
• Clinical research with the Johns Hopkins Department of Neurosurgery completed for academic credit

Massachusetts Institute of Technology08/2022 – 05/2023

Master of Engineering in Electrical Engineering and Computer Science - GPA: 5.0 // STEM GPA: 5.0

• Selected coursework: Systems Architecture (6.590), Formal Reasoning About Programs (6.512)
• Teaching assistant for Digital Systems Laboratory (6.205), Computer Systems Engineering (6.180)
• Full-tuition scholarship for TA-ship; awarded RA-ship in the Computer Science and Artificial Intelligence Laboratory
• Master's Thesis: Lab-bc: A Fault-Tolerant Computing Platform for MIT Educators

Massachusetts Institute of Technology09/2018 – 05/2022

Bachelor of Science in Computer Science and Engineering (Course 6-3) - GPA: 4.70 // STEM GPA: 4.73

• National Merit Scholar and TD Ameritrade Scholarship recipient
• Selected coursework: OS Research (6.581), Distributed Systems (6.584), Performance Engineering (6.106)
• 6 semesters of teaching assistantship across three upper-division computer engineering courses
• 5 semesters of fully funded research across plasma physics, systems security, and engineering curricula

Early College Alliance at Eastern Michigan University (ECA @ EMU)09/2015 – 05/2018

High School Diploma; lower-division college coursework - EMU GPA: 3.90

• Took undergraduate coursework at Eastern Michigan University to satisfy high school requirements
• Selected coursework: Differential Equations, Multivariable Calculus, Introduction to Modern Physics
• 5 semesters of teaching experience through the Eastern Michigan University Math Lab

Washtenaw Community College01/2014 – 12/2014

Miscellaneous lower-division coursework, to prepare for the ECA @ EMU - GPA: 4.0 // STEM GPA: 4.0

EMPLOYMENT

Apple Inc. - Streaming Media Engineer, San Diego, CA08/2023 – 04/2025

Operating Systems Engineering

• Lowered CPU usage during media playback by ~20%, extending iPhone battery life by up to an hour
• Reduced memory footprint on HomePod by ~25% in collaboration with OS performance teams
• Improved Siri response time to Music playback requests on HomePod devices by over one second
• Discovered >10 software security issues; architected solutions to protect and anonymize user data
• Worked with management to interview, hire, and mentor employees in new feature development

Research: Apple Vision Pro for telemedicine

• Led development on a telemedicine application for remote neurologic and ocular motor screening
• Presented findings to the Director of Software Engineering and physicians on health and fitness teams

INTERNSHIP EXPERIENCE

Apple Inc. - Software Engineering Intern, Remote06/2021 – 08/2021; 06/2022 – 08/2022

• Developed a low-overhead power consumption analysis methodology applicable across Apple platforms
• Deployed the above to automatically identify code changes which regress environmental footprint
• Produced studies on memory ownership, resulting in the detection of >5 security-critical issues
• Discussed project results with Apple executives across two corporate-sponsored trips to Cupertino

General Motors - Software Engineering Intern, Milford, MI06/2020 – 08/2020

• Wrote autonomous driving software for GM's Super Cruise, culminating in test drives on public roads
• Validated safety-critical systems, e.g. emergency braking, at the GM Proving Grounds test track

MIT Plasma Science and Fusion Center - ME Intern, Boston, MA08/2018 – 08/2019

• Worked with MIT faculty to prototype a reactor utilizing high-temperature superconducting magnets
• Utilized finite element analysis (FEA) and plasma turbulence simulations to quantify tokamak integrity
• Three semesters of work were fully funded through MIT's UROP and the MIT Energy Institute

RESEARCH

Comparative Outcomes of Pipeline Flex & Shield for Intracranial Aneurysms at One Year

Jay Lang, Anja Srienc, Cory Chang, Risheng Xu, L. Fernando Gonzalez, Christopher Jackson, Judy Huang,
Rafael J. Tamargo, Justin Caplan
Manuscript in preparation

• Authoring a retrospective comparison of long-term occlusion and thromboembolism rates across PED stent models
• Extracted and analyzed EMR data by hand and de novo automated tools, to construct a database of ~400 patients
• Reviewed cerebral angiography and MRA imaging under supervision, clarifying discrepancies in operative reports
• Presented preliminary findings at Johns Hopkins Research Days and to the Neurosurgical Society of America
• Integrating insight from longitudinal shadowing in clinic, endovascular procedures, and open surgery

Lightning: A Reconfigurable Photonic-Electronic SmartNIC for Fast and Energy-Efficient Inference

Zhizhen Zhong, Mingran Yang, Jay Lang, Christian Williams, Liam Kronman, Alexander Sludds, Homa Esfahanizadeh,
Dirk Englund, Manya Ghobadi

ACM SIGCOMM · 10.1145/3603269.3604821

• Co-developed a from-scratch photonic computing device for energy-efficient machine learning
• Achieved inference 337x faster than state-of-the-art datacenter GPUs, while consuming 352x less power
• Off-the-shelf hardware artifact made openly available; adopted by peer research labs nationwide
• Research was funded via DARPA; findings presented to administrative leadership

Open source artifact under MIT License at https://lightning.mit.edu

Lab-bc: A Fault-Tolerant Computing Platform for MIT Educators

Jay Lang, Joseph Steinmeyer

MIT DSpace · 1721.1/151412

• Designed a platform for students to use cutting-edge EDA tools on remote, high-performance machines
• Enabled MIT's 6.205 course, which relies on such tooling, to continue through remote learning
• Deployed onto excess in-house machines, achieved 100% uptime despite frequent disk failures
• Remains in production at MIT, with subsequent rewrites by course staff and an active student thesis extending it

Open source artifact under 3-Clause BSD License at https://github.com/jaytlang/lab-bc

PACMAN: Attacking ARM Pointer Authentication with Speculative Execution

Joseph Ravichandran, Weon Taek Na, Jay Lang, Mengjia Yan

ACM International Symposium on Computer Architecture · 10.1145/3470496.3527429

• Demonstrated the first-ever micro-architectural side channel attack against Apple M-series chips
• Responsibly disclosed an irreparable bypass for ARM Pointer Authentication (PA), a key security feature
• Presented findings at DEFCON 2022; consulted on attack mitigations with Apple and ARM
• Research funded via the Morais and Rosenblum Undergraduate Research and Innovation Scholarship

Open source artifact under MIT License at https://pacmanattack.com

CLINICAL EXPERIENCE

R. Adams Cowley Shock Trauma Center12/2025 – 02/2026 · 50 hours

• Volunteered in the operating room, supporting emergent procedures in a high-acuity trauma center
• Prepared surgical equipment, assisted with overnight room turnover and next-day case setup
• Helped transport patients, set up monitoring systems, gown physicians, and procure sterile supplies

NYC Health + Hospitals, Jacobi Medical Center04/2025 · 50 hours

• Shadowed EM residents, assisting with interpreter coordination in a high-volume, multilingual ED
• Attended resident education; participated in procedural training including cadaver intubation labs

Emergency Medical Technician12/2024 – 04/2025 · 200 hours

• Completed EMT training and certification, including didactic instruction and hands-on clinical skills
• Rotated through supervised field experiences and participated in volunteer EMS service
• Developed skills in emergency assessment, trauma response, and psychiatric crisis management

Scripps Green Hospital10/2024 – 05/2025 · 200 hours

• Volunteered in Bone Marrow Transplant and Urgent Care settings, serving medically complex patients
• Transported labs; maintained clinical spaces; assisted with workflow during high-acuity presentations
• Provided patient support, including end-of-life and incarcerated individuals, during emergent care

TEACHING EXPERIENCE

Teaching Assistant: Digital Systems Laboratory (6.205)09/2022 – 05/2023

Massachusetts Institute of Technology

• Redesigned two of five student labs, including an implementation of the IEEE 802.3u Ethernet standard
• Held laboratory hours, ran multiple lectures, and mentored students through self-directed final projects

Teaching Assistant: Introduction to Computer Systems (6.180)01/2021 – 05/2023

Massachusetts Institute of Technology

• Designed and taught 23 recitations to reinforce course material, from OS design to systems security
• Co-authored a semester-long design project, exams, readings, and lab exercises for over 300 students

Laboratory Assistant: Computation Structures (6.191)09/2019 – 12/2020

Massachusetts Institute of Technology

• Ran laboratory hours, lectures, and recitations over three consecutive semesters
• Helped transition the course to Minispec - a simple hardware design language for educational use cases

Volunteer: Eastern Michigan University Math Lab01/2016 – 05/2018

Eastern Michigan University

• Worked 8 hrs/week for five consecutive semesters tutoring undergraduate EMU and ECA students
• Taught in both one-on-one and group settings, spanning topics from algebra to multivariable calculus

ATHLETICS

MIT NCAA Division III Swimming and Diving Team09/2018 – 12/2021

• NCAA Division III National Champion in the 3 meter event in March 2019
• Hold intercollegiate (NEWMAC) and national records in the 1 meter and 3 meter events

USA Diving National Team09/2010 – 08/2018

• 5-time national champion for the Legacy Diving Junior National Team at Eastern Michigan University
• National-level competitor in the 1 meter, 3 meter, and platform events over eight years

SELECTED PERSONAL PROJECTS

FreeFocus06/2025

• Ran a clinical pilot (n = 10) of video-oculography technology inspired by my prior research at Apple
• Integrated insight shadowing residents at the Johns Hopkins Vestibular and Ocular Motor Research Lab
• Led regulatory transition of IRB protocol following PI departure; conducted pilot validation study

Open source artifact under GPLv3 License at http://github.com/jaytlang-hopkins/freefocus

Internet Advocacy03/2022

• Worked with MIT Humanities faculty to study Russian internet censorship during the invasion of Ukraine
• Advocated for the Censored Planet project, an initiative to measure internet freedom internationally

Mesh Networks for Disaster Response09/2021

HackMIT for Sustainability First Prize Winner · IBM Call-for-Code Climate Change Challenge First Prize Winner

• Created a mesh network which can restore internet access after severe infrastructure damage
• In a simulated hurricane in a densely populated region, granted connectivity to over 1000 devices

Open source artifact under 3-Clause BSD License at https://github.com/jaytlang/advantaged

Pigeon File System12/2020

• Specified a distributed content-addressed filesystem for low-bandwidth, high-latency space systems
• Presented prototype and findings in-simulation to MIT CSAIL and NASA JPL staff

Open source artifact under 3-Clause BSD License at https://github.com/jaytlang/pfs

Linux Kernel06/2020

• Submitted an x86/64-specific patchset highlighting memory leaks in fork(2) to Linux 5.7
• Ported security auditing software, e.g. syzkaller, to previously unsupported Apple M-series platforms

Open source artifact under GPLv2 License at git://git.kernel.org

Estimating Black-Hole Mass via Telescopic Observation08/2016

Southeast Michigan Science Fair Second Prize in Engineering and Physics
Additional honors from MESTA, the American Statistical Association, and University of Michigan Engineering

• Devised a methodology to estimate the mass of supermassive black holes using amateur equipment
• Validated approach against 5 well-known objects, computing results consistent with published literature

Music2004 – Present

• 22-year background in piano, pursuing independent study to explore jazz and improvisation
• Contributor to the SiivaGunner comedic / satirical musical art collective

MY CAT (: