Frank Linehan is a web developer who specializes in technologies like Angular 2, TypeScript, ES6, and MEAN stack. He discusses how Angular 2 is faster and scales better than Angular 1 due to its separation of rendering engines and focus on components. He also covers migrating to Angular 2, using ES6 with transpilation, the benefits of TypeScript, server-side rendering, and links to sessions on these topics from AngularU.