Jay Baer has a podcast about word of mouth marketing. Rand Fishkin has a blog about SEO. Ann Handley has a newsletter about storytelling in marketing. All three are examples of thought leaders who have found a niche in which to become an expert.
No matter what your niche, video is an excellent medium for sharing thought leadership content with the world.
Thought leadership videos offer an educational perspective on a new idea. With the right content and the right speaker, video is an effective way to engage your community while making your voice stand out as a leader in your industry.