Tessellate 2D manufactures high-quality monolayer transition metal dichalcogenide semiconductors by deterministically isolating them from centimeter-scale bulk crystals using Gold-Stamp metal-stamp technology. This top-down fabrication method yields over 100,000 defect-free 2D layers per crystal with 100 times fewer point defects and higher electron mobility than direct chemical vapor deposition films. The company supplies macroscopic TMD monolayers to research customers and provides samples to top semiconductor manufacturers for testing in transistors and optoelectronic devices like photoswitches and sensors. Tessellate 2D was co-founded in September 2025 by Nicholas Olsen, CEO and PhD in chemical physics from Columbia University who pioneered the metal-assisted exfoliation technique, and Luke Holtzman, CTO and PhD in materials science and engineering from Columbia University with prior internship at IBM Research. The startup operates from a facility in Newark, New Jersey, with technology originating from Columbia University laboratories in New York.