Fredric Vinna, part of Beats Music's early team of creators, recently left the streaming music service and will soon begin work at its main rival, Spotify.
Snapchat remains mum on specifics of how it plans to prevent another database breach, but it has already hired a Washington lobby firm.
The iPhone maker hasn't confirmed the news, of course, but the hire sparks speculation about Apple's plans for the long-rumored wearable.
Ahead of an IPO expected next month, Twitter hires a Google advertising executive to lead the company's efforts to sell ad products to retailers.
Angela Ahrendts, who has led the luxury fashion brand for the past seven years, will join Apple's executive team in the spring. She'll oversee both the retail and the online stores.
Ron Louks will take on the role as head of BlackBerry's Devices and Emerging Solutions.
The company's new head of hospitality Chip Conley is known for his Joie de Vivre boutique hotels, and he wants to set new standards for Airbnb listings.
As it focuses on expanding overseas, Uber makes three hires who have backgrounds in Silicon Valley's hottest companies.
The upstart streaming music service hires Jorge Espinel, 21st Century Fox's head of digital strategy, to shore up its efforts effort finding partners like telecoms to expand its user base.
Jennifer Prince, who joins Twitter Monday, will focus on getting TV and movie marketers to advertise on the social network.