The company will continue to make connected apparel, and will also keep working on its suite of health and fitness apps.
Chip Molloy is leaving the company for personal reasons.
Mr. Allega will be based out of Under Armour's Global Headquarters in Baltimore, Maryland and will start on January 23.
The settlement terms include adidas granting a license for Under Armour and MapMyFitness to use its patents in exchange for a non-disclosed licensing fee.
The devices were made in partnerships with HTC and HARMAN; one of them, UA HealthBox includes a wrist-worn device, a smart scale and a heart rate monitor.
According to some documents posted on Bluetooth.org, we may see the UA Scale launching at some point in the future, perhaps at the upcoming CES in Las Vegas.
As part of the comprehensive marketing deal, Under Armour will launch the NBA FIT mobile app powered by the brand's Connected Fitness platform.
Gritness lists 1.5 million activities in places all over the world; it supports 21 sports, including cycling, running, and yoga.
The company has effectively established the world's largest digital health and fitness community, counting more than 120 million global users.
The service combines personal health data with activity tracking tools, connects it to digital community, and keeps everything in sync with user's fitness goals.