With Colonel Chris Hadfield and Simon Sinek speaking at TED2014, the 30^th Annual TED Conference this week in Vancouver, we’re shining the spotlight on some of our favourite TED Talks. Col. Hadfield’s presentation at Liftoff!, the opening session of TED2014, received a standing ovation. You can watch the presentation here:

The following are among the 30 most watched TED talks of all time (out of over 1600):

This ground-breaking Ted Talk by Simon Sinek is the second most watched TED presentation of all time, with over 15.8 million views.

Susan Cain’s revealing TED Talk has had over 7.7 million views and is the 15^th most watched Talk ever.

With over 7 million views, Shawn Achor’s TED Talk has inspired countless and is ranked the 18^th most watched in history.

The power and impact of Sarah Kay’s spoken-word presentation at TED has been viewed more than 5.7 million views is the 29^th most watched TED presentation of all time.

A few of our other all-time favourites include:

Mark Bowden: The Importance of Being Inauthentic

Nilofer Merchant: Got a Meeting: Take A Walk

Mark Brand: The Impact of an Unconventional Solution

Check out more of our incredible TED speakers here.