South Park Commons · NYC

Building the future of
human-computer interaction

I'm Toma Itagaki—co-founder of Lifestack, PhD dropout, and NSF Fellow. I explore how personalized algorithms and physiological data can create more meaningful interactions between humans and computers.

Startup

Lifestack by DeMind Inc.
Co-founder · Head of Product

Lifestack is the first health-driven productivity app that helps you schedule your days based on your energy levels. Our AI planner syncs with wearables and smartphones to turn your todos into a smart calendar—aligned with your body's natural rhythms to boost productivity without burnout.

AI Planner Health Data Wearable Integration Energy Optimization TechCrunch Featured

Journey

2026
South Park Commons
Joined SPC in NYC. Exploring the future of HCI in a post-AGI world.
2025
DeMind Inc. (Lifestack)
Left PhD to go full-time as co-founder and Head of Product.
2024
MobiSys Tokyo
Presented preliminary workshop work on laser power delivery systems.
2023
Columbia University PhD + NSF GRFP
Started PhD in Computer Science. Awarded National Science Foundation Graduate Research Fellowship.
2023
UIST People's Choice Award
Won People's Choice Award at UIST24's Student Innovation Contest with "Pikachu" project.
Earlier
University of Washington
Undergrad exploring Ubiquitous Computing, Neural Engineering, and Entrepreneurship at UbiComp Lab.

Exploration Areas

🧠

Implicit Interactions

Improving how humans interact with computers through personalized algorithms and implicit cost functions.

📊

Personal Information Space

How to best contribute to information space and how personal information fits into our future.

Biopersonalized Algorithms

Integrating physiological data to create algorithms that adapt to individual biological patterns.

🔬

Neurotechnology

Exploring the intersection of neural engineering and human-computer interfaces.

🖥️

Ubiquitous Computing

Computing that's embedded in the environment, responsive to context and user needs.

🔋

Laser Power Delivery

Novel systems for wireless power transfer using laser technology.