Manage your professional identity. Build and engage with your professional network. Access knowledge, insights and opportunities. LinkedIn is an American business and employment-oriented service that operates via websites and mobile apps. Founded on December 28, 2002, and launched on May 5, 2003, it is mainly used for professional networking, including employers posting jobs and job seekers posting their CVs.

AngelList is building the infrastructure that powers the startup economy, providing startups and investors with the connected tools they need to launch and scale a startup or fund—and invest in both.