Cool guy, very smart, innovative, creative, talented story teller, never gives up and initiated 3D animation CG as a 3D exclusive movie. Lasseter founded Pixar and persevered when nobody believed a 3D animation movie could be done and a real business. That's when Steve Jobs bought the company from George Lucas, saved the project an invested money until Toy Story was a hit. Finally Disney made the deal and acquired Pixar. Very short version.
This is not about witch 3D studio is "the best" but how great it is for everyone today because of more serious business, technology and creative options. Pixar is very family oriented, mostly for kids. Dreamworks started with Shrek and it was more oriented for adults but today is also oriented to kids.