Align Technology, Inc. engages in the manufacture, design, and marketing of global medical devices. It operates through the Clear Aligner, and Scanner and Services segments. The Clear Aligner segment consists of invisalign full, teen and assist products, and vivera retainers along with training and ancillary products for treating malocclusion. The Scanner and Services segment comprises of intraoral scanning systems and additional services available with the intraoral scanners that provide digital alternatives to the traditional cast models. The company was founded by Zia Chishti and Kelsey Wirth in March 1997 and is headquartered in San Jose, CA.