From 4 to 5 p.m. ET today, Medtronic (NYSE: MDT) Chief Financial Officer Gary Ellis will be participating in a live chat with Fool readers -- just click the chat below to get involved.

Ellis has been with Medtronic since 1989, and has served as CFO since 2005. Prior to joining Medtronic, he was a senior audit manager with Price Waterhouse, where, for almost a decade, he … managed the Medtronic audit.

Now a $42.5 billion industry leader, Medtronic started in a garage in 1949. It's come a long way, employing more than 38,000 people around the world and owning more than 21,000 patents. Since the late '70s, the stock has returned more than 28,000%, making it a force in the world of health care.

Come and ask Gary your questions! To join the live chat, simply click below:

The Fool owns shares of Medtronic and has a disclosure policy.