On Making a Director's Reel

As I dive into developing my first feature film and seek to connect with investors and other potential team members, I have decided to put together a new demo reel that specifically showcases my work in directing narrative film projects. In fact, just this week, this new reel just hit my IMDb profile, along with my Cinematography Reel. Click here to see the reel on IMDb or watch it bellow:

But an important question comes to mind. Are demo reels as effective for directors as they are for cinematographers, editors, and actors?